How to Leverage Leverage in Stock Trading
Master leverage in stock trading. Learn essentials, benefits, and best practices for maximizing returns while managing risk. Perfect for beginner and intermediate investors.
Imagine seeing a stock surge unexpectedly and wishing you had more invested to amplify those gains. Leverage in stock trading offers that very possibility—magnifying both profits and losses with borrowed capital. It's a tool that attracts new and seasoned traders by promising greater returns, yet it also carries inherent risks that can quickly erode an account if misunderstood.
Many traders find it challenging to strike the right balance between maximizing returns and managing risk when using leverage. Knowing how, when, and how much to leverage requires not just technical know-how but a disciplined approach and an understanding of market dynamics. By exploring foundational concepts, benefits, real dangers, smart usage strategies, and essential risk controls, you can learn to use leverage responsibly. While mastering leverage won't happen overnight, the rewards can be significant for those willing to put in the effort and treat it as a calculated advantage rather than just a shortcut to bigger profits.
In stock trading, leverage isn't just a tool—it's a double-edged sword that can turn modest ambition into dramatic gains or sudden setbacks; mastering it is the difference between gambling and strategy for every investor eager to unlock the market’s true potential.
Reference: Beginners Guide to Leverage Trading | Learn to Trade
Introduction
The world of trading and investment attracts millions of individuals seeking financial growth and long-term wealth. For retail investors and beginner traders, the challenge often lies in navigating complex markets, understanding risk, and choosing the right strategies. This complexity can feel overwhelming, especially when the stakes involve hard-earned money and future security.
Too often, investors struggle with unrealistic expectations or a lack of reliable education, which can lead to avoidable losses. The Indian stock market, for example, saw retail participation grow from 4.1 crore demat accounts in 2020 to over 11 crore by early 2024, as reported by the National Securities Depository Limited (NSDL). Yet, according to a SEBI survey, more than 70% of retail traders in India lost money in derivatives trading in 2022, highlighting a significant gap between aspiration and successful execution.
This article addresses both the opportunities and the pitfalls awaiting new and intermediate traders. Readers will learn how to approach trading and investment with realistic expectations, recognize common mistakes, and identify reliable educational resources. Throughout, practical examples and real market scenarios will be provided—including insights from leading platforms like Zerodha and Upstox, as well as lessons from widely publicized Indian market events.
By the end, you will understand what it truly takes to build and sustain success in trading and investment, setting yourself up for informed and confident financial decisions.
1. Understanding Leverage in Stock Trading: The Basics
Leverage is a foundational concept in stock trading, allowing investors to control larger positions than their initial cash outlay would suggest. Instead of relying solely on the money in their brokerage account, traders can use borrowed funds to amplify both potential profits and risks. Understanding how leverage works—and its implications—is essential before considering leveraged trades.
What is leverage in stock trading?
In stock trading, leverage means using a smaller amount of your own capital to access a larger total trade. For example, if you have $1,000 in your account and use 10:1 leverage, you can take a $10,000 position. This practice is common in margin accounts offered by brokers such as Charles Schwab and Interactive Brokers. According to the Beginners Guide to Leverage Trading, this strategy enables traders to potentially increase returns, but also exposes them to greater losses.
How trading leverage works: Margin accounts and borrowing
To access leverage, traders typically open a margin account with a brokerage. The broker lends funds so you can purchase more stocks than your cash balance alone would allow. For example, if you buy $20,000 worth of Tesla stock but only have $10,000 in your account, the brokerage covers the other $10,000 and charges interest on the borrowed amount. It’s important to manage this borrowed money carefully—if a stock price drops, the broker may issue a margin call requiring you to deposit more funds or sell assets to cover the loss.
Common types of financial leverage in the stock market
Leverage appears in several forms beyond just buying stocks on margin. Derivatives such as options and futures contracts offer built-in leverage; for instance, buying an S&P 500 E-mini futures contract provides exposure to $50 times the index value—often with just a fraction of that amount as a required margin deposit. Leveraged ETFs like ProShares Ultra S&P500 (SSO) or Direxion Daily Financial Bull 3X Shares (FAS) allow retail traders to gain 2x or 3x the daily return of a given index, with risks magnified accordingly over time.
Key terminology explained: Margin, leverage ratio, and more
Several technical terms are central to understanding leverage. The leverage ratio expresses the multiple of exposure relative to equity—so a 5:1 leverage ratio means five times your original capital is in the market. Margin refers to the amount of your own money required to open and maintain a leveraged position. Margin calls occur when losses shrink your equity below the broker’s requirements, prompting you to add funds or liquidate assets. And maintenance margin is the minimum account balance needed to keep your position open.
Knowledge of these terms helps traders assess both opportunity and risk in leveraged trading scenarios and prepares them to navigate the mechanics of real-world markets effectively.
2. Assessing the Benefits of Using Leverage

2. Assessing the Benefits of Using Leverage
Leverage enables traders to control larger positions in the market by utilizing borrowed capital. When applied strategically, leverage can enhance a trader’s potential to earn higher returns on relatively modest capital. However, understanding these benefits in practical terms helps investors make more informed decisions about when and how to use leverage to their advantage.
Amplifying Potential Gains: Profit Multiplication Through Leverage
Leverage can significantly multiply profits for winning trades. For example, if an investor trades Reliance Industries stock with a 5:1 leverage and the price rises by 4%, their actual return on invested capital would be 20%, assuming all other variables remain constant.
This capacity to multiply gains has made leveraged products like futures and options popular among active traders in markets such as the National Stock Exchange of India. However, traders must remember that amplified profits come hand-in-hand with increased risk exposure.
Increasing Portfolio Flexibility and Diversification
Leverage lets traders deploy a portion of their funds across multiple asset classes rather than tying up capital in just one or two large positions. For instance, using leverage, an investor with $5,000 can open positions in technology stocks, commodities such as gold futures, and even international indices like the S&P 500 at the same time.
This diversification spreads risk and may help protect the portfolio from isolated market shocks, like sector-specific volatility witnessed during the COVID-19 pandemic in 2020.
Accessing Higher-Value Trades with Lower Capital Investment
Leverage lowers barriers to entry for high-value trades. Many retail investors in India use margin trading facilities provided by brokers like Zerodha or ICICI Direct to trade contracts typically worth much more than their cash balance. For example, trading one Nifty futures contract requires only a fraction of its full notional value as margin—sometimes as low as 10%.
Such mechanisms enable investors with modest portfolios to participate in more significant market moves, which would otherwise be limited to institutional players.
Strategic Short-Term Trading Advantages
For seasoned day traders and swing traders, leverage can provide a tactical edge. Because leveraged positions allow for larger bets within narrower timeframes, traders can capitalize quickly on short-lived market momentum.
In March 2023, when Adani Enterprises experienced rapid price swings, several intraday traders used leverage via margin products to profit from brief upward and downward surges. This kind of short-term strategy is unsuitable for all, but when used wisely with stop-loss orders, leverage enhances both opportunity and flexibility in fast-moving markets.
Reference: What Is Financial Leverage, and Why Is It Important?
3. Identifying and Managing Investment Risks
Understanding Amplified Losses: Downside of Leverage
Leverage can significantly increase both potential gains and losses. While many investors focus on the possibility of higher returns, it is crucial to recognize that leverage also magnifies the impact of market downturns.
This dynamic played out dramatically during the collapse of Long-Term Capital Management (LTCM) in 1998. By leveraging its capital over twenty-fold, LTCM turned small losses in the market into catastrophic setbacks that led to the fund’s demise. The firm's highly leveraged positions required only minor market shifts to inflict severe damage, underscoring how leverage can transform minor miscalculations into devastating consequences. For more details, see the case studies from global markets.
Common Risks Associated with Financial Leverage
Leverage inherently exposes investors to several key risks, including market risk, interest rate risk, and liquidity risk. Market risk refers to the potential for leveraged assets to lose value rapidly, multiplying losses beyond initial investments.
Interest rate fluctuations can further complicate leveraged positions, as seen when rapidly rising rates during the 2007-2008 financial crisis left banks and hedge funds unable to service their debt. Liquidity risk also becomes acute in volatile markets, making it difficult for investors to exit positions before losses spiral.
Margin Calls and Forced Liquidations Explained
Investors trading with margin must stay mindful of broker requirements. If an account’s equity falls below a set threshold due to adverse price movements, a margin call is triggered. This requires the investor to deposit additional funds or liquidate assets.
A notable example occurred during the 2020 market crash, when brokerage platforms like Robinhood reported significant spikes in margin calls and forced liquidations. Some retail investors faced the automatic sale of their holdings, crystalizing losses that could have otherwise been temporary.
Setting Personal Risk Tolerance and Limits
Effective risk management begins with a frank assessment of personal risk tolerance. This means evaluating the psychological and financial comfort with potential losses, especially under stress.
Tools like stop-loss orders, position sizing, and predefined limit orders help traders stick to their risk parameters. For example, many Indian retail traders use apps like Zerodha to automate stop-losses, protecting capital during unexpected market swings. Failing to establish clear boundaries often leads to larger-than-anticipated losses, especially when using leverage.
Reference: Risk: What It Means in Investing and How to Measure and ...
4. How to Calculate and Apply Leverage Effectively

4. How to Calculate and Apply Leverage Effectively
Effectively using leverage in trading demands more than just taking on extra risk. It starts with truly understanding the mathematical and practical aspects that influence leveraged positions. Learning how to calculate, assess, and optimize leverage is crucial for both protecting your capital and enhancing your returns.
Calculating Leverage Ratios and Margin Requirements
Leverage ratio is calculated by dividing the total value of your position by your equity (the amount of capital you actually put in). For example, if you want to purchase $10,000 worth of Tata Motors shares but only have $2,000, your leverage ratio is 5:1. Different brokers and markets set minimum margin requirements, often ranging from 5% to 20% for equities in India. Tools like Zerodha’s margin calculator allow traders to input their capital and see exactly how much exposure they can gain.
Understanding margin requirements helps you avoid margin calls, which occur if the value of your position falls and your equity drops below the broker’s required threshold. Margin calculators provided by major Indian brokers such as ICICI Direct and Upstox offer real-time calculation based on current regulations and stock volatility.
Determining Optimal Leverage for Your Trading Style
The correct leverage ratio depends on your risk appetite, financial goals, and the volatility of your chosen assets. Short-term intraday traders in India, for example, may use higher leverage (often 10:1 or higher) since they close positions quickly, limiting overnight risk. In contrast, swing traders holding positions for days or weeks generally use lower leverage, such as 2:1 or 3:1, to avoid outsized losses on market gaps.
Many experienced investors recommend starting with the lowest leverage possible and gradually increasing exposure as you build confidence. For instance, Warren Buffett has consistently advocated for low or zero leverage, given how quickly losses can accumulate during unforeseen downturns. Reviewing historical market crashes like the 2008 financial crisis illustrates how excessive leverage led several hedge funds to bankruptcy.
Assessing Your Risk-Reward Profile with Leverage
Leverage amplifies both profits and losses. Before applying leverage, estimate your potential downside using stop-loss orders. Suppose you buy Reliance Industries at ₹2,200 per share with 5:1 leverage and set a stop-loss at ₹2,100; your actual risk per share is multiplied by your leverage, making disciplined exits essential.
Create a risk-reward plan by calculating how much capital you can afford to lose without jeopardizing your portfolio. For example, if your total trading capital is ₹100,000, risking more than 2% (₹2,000) per trade with leverage could quickly erode your account during a losing streak. Reviewing your risk-reward ratio—aiming for trades with at least a 1:2 or 1:3 return compared to risk—can provide a buffer against amplified losses.
Practical Examples of Leverage Calculations
Concrete leverage calculations add clarity to theory. Suppose an Indian trader uses Zerodha to take a position in HDFC Bank with ₹5,000. If Zerodha offers 5x leverage, the trader can control ₹25,000 worth of shares. If the share price rises by 4%, the unrealized profit is ₹1,000 (4% of ₹25,000). However, if the price drops by 4%, the loss is also ₹1,000—representing a 20% loss on the original capital. This underscores the high stakes of leveraged trading.
Global examples include the collapse of Archegos Capital in 2021, which suffered billions in losses due to overleveraged bets on U.S. and Chinese stocks. Such cases highlight the importance of prudent leverage management and the real-world consequences of excessive risk-taking.
Reference: Leverage Ratio: What It Is, What It Tells You, and How to ...
5. Choosing the Right Broker and Leverage Options
Selecting a reliable broker with appropriate leverage options is a foundational decision for any trader. Each broker varies in terms of leverage allowances, margin requirements, fees, and regulatory compliance, all of which can significantly impact your trading experience, costs, and risk exposure.
Evaluating Leverage Offerings from Different Brokers
Brokers differ widely in the leverage they provide. While US-based brokers like TD Ameritrade and Charles Schwab typically offer maximum leverage of 2:1 on margin accounts, global brokers like Interactive Brokers allow qualified clients to access higher ratios, depending on the asset class and jurisdiction. High leverage, while tempting for amplifying gains, can also expose traders to rapid losses.
For example, Forex.com provides leverage up to 50:1 for certain currency pairs, but only for eligible clients outside the US. Understanding these distinctions is crucial before opening an account, as excessive leverage can quickly erode capital if trades move against you.
Regulatory Considerations for US Traders
Regulations within the US are particularly strict. The Securities and Exchange Commission (SEC) and the Financial Industry Regulatory Authority (FINRA) limit retail leverage to protect investors. For instance, Pattern Day Traders must maintain a minimum account balance of $25,000 and adhere to a 4:1 intraday leverage limit, which is much lower compared to some foreign brokers.
Choosing a broker registered with FINRA or the Commodity Futures Trading Commission (CFTC) helps ensure your account is protected by established investor safeguards, unlike some offshore platforms that lack proper oversight.
Comparing Margin Rates and Account Fees
Margin rates—the interest charged on borrowed funds—can eat into your profits if not carefully considered. For example, E*TRADE's base margin rates range from 11.5% to 13.5%, while Interactive Brokers offers some of the lowest rates in the industry, sometimes dropping below 6% for large balances.
Beyond margin rates, review account fees such as maintenance charges, withdrawal costs, and inactivity penalties. A seemingly small annual fee can significantly affect overall returns, especially for low-volume traders.
Selecting a Broker Aligned with Your Risk Profile
It's important to align your broker choice with your personal risk tolerance and trading objectives. Conservative traders may prefer brokers offering robust risk controls, limited leverage, and strong educational resources—such as Fidelity, which is known for its in-depth online trading tutorials and conservative margin policies.
Active traders with higher risk tolerance might gravitate toward margin-friendly platforms like Interactive Brokers for competitive leverage and lower trading costs. Conversely, beginners should consider starting with a broker that limits leverage, helping to manage downside risks while gaining market experience.
Reference: 15 Steps to Finding the Perfect Options Brokerage for You
6. Developing Safe Trading Strategies with Leverage

6. Developing Safe Trading Strategies with Leverage
Effectively using leverage can maximize profits, but it also amplifies potential losses if not approached cautiously. A well-structured trading strategy is essential for managing risk and protecting capital, especially as many new traders are drawn to the possibility of larger returns without fully appreciating the downside. Financial studies indicate that traders who use defined risk-management techniques are up to 60% less likely to experience catastrophic losses than those who do not.
Setting Stop-Loss and Take-Profit Orders
Risk management starts with clear entry and exit strategies. Stop-loss and take-profit orders are vital tools for limiting downside and capturing gains. For example, a trader using Zerodha’s Kite platform might set a stop-loss at 2% below their entry price and a take-profit at 5% above, automatically exiting trades without the need for constant monitoring.
This approach protects emotional decision-making during market swings. Notably, in the March 2020 market crash, traders who applied strict stop-loss measures limited losses when NIFTY 50 fell over 35% in a matter of weeks.
Diversifying Leveraged Trades to Manage Risk
Spreading leveraged positions across sectors or asset classes can reduce the risk of a significant portfolio drawdown. For instance, rather than putting all capital in highly leveraged positions on a single stock like Reliance Industries, a trader might allocate smaller positions across banking, technology, and FMCG stocks. ICICI Direct’s leverage platform allows this kind of portfolio diversification.
This strategy ensures that losses in one sector are less likely to wipe out gains from others, stabilizing overall returns and protecting capital from sector-specific volatility.
Incorporating Leverage into Technical and Fundamental Analysis
Leveraged trading requires a stricter focus on analysis. Combining technical indicators such as the Relative Strength Index (RSI) or Bollinger Bands with fundamental data like earnings reports can enhance decision-making. For example, before taking a leveraged position in HDFC Bank, a trader might check quarterly results and confirm a technical breakout on the daily chart.
Brokerages like Upstox and Angel One provide integrated analysis tools to facilitate multi-faceted research before leveraging trades. A disciplined approach using both analysis types helps avoid impulsive trades and improves the odds of success.
Monitoring and Adjusting Leverage Over Time
Ongoing evaluation is crucial. Markets change, and so should your leverage levels. Reviewing position sizes weekly or monthly helps identify when adjustments are needed. For example, some traders reduce leverage during high-volatility events such as Union Budget announcements or RBI policy releases.
Even experienced traders like Rakesh Jhunjhunwala were known for systematically scaling back leverage in turbulent times, preserving capital during downturns and re-leveraging during stable periods. Prudent adjustments ensure that leverage enhances, rather than risks, long-term profitability.
Reference: 6 Top Trading Strategies For 2025 - Admiral Markets
7. Leveraging Leverage: Best Practices and Common Mistakes
Avoiding Over-Leverage: Warning Signs and Pitfalls
Leverage allows traders to control larger positions with a smaller capital base. However, over-leveraging can be hazardous, amplifying both gains and losses. Recognizing warning signs is essential to avoid serious drawdowns.
For instance, Long-Term Capital Management’s collapse in 1998 resulted from taking on excessive leverage, underscoring how even established players can falter. If your margin requirement regularly approaches 80% or higher, or you find yourself adding to losing positions to “average down,” these are clear danger signals. Setting personal leverage limits based on your risk tolerance—and sticking to them—can help avoid catastrophic losses.
Recordkeeping and Performance Tracking
Keeping detailed records of each leveraged trade helps identify patterns, mistakes, and opportunities for improvement. Tools like Zerodha's Console or Interactive Brokers' Account Management allow traders to export trade histories, analyze outcomes, and refine strategies.
For example, a trader who reviewed their performance and found that leveraged trades had a consistent stop-loss breach rate of 60% could then adjust their strategy, such as tightening risk controls or using smaller position sizes during volatile periods.
Learning from Successful (and Failed) Leverage Strategies
Examining both winning and losing leverage strategies expands your learning curve. In 2021, Archegos Capital Management reportedly used total return swaps to take on massive leverage in U.S. media stocks, which led to a $20 billion loss when trades turned against them. Conversely, sophisticated traders like Paul Tudor Jones have used moderate leverage effectively, combining it with strict risk management protocols.
Reviewing real case studies can reveal that success often hinges on consistent execution and flexibility to cut losses early, rather than betting the farm on every opportunity.
Keeping Emotions in Check When Trading with Leverage
Trading with borrowed capital intensifies psychological pressure. Emotional reactions—such as fear when losses mount or greed after wins—can cloud judgment and prompt impulsive decisions. Neuroscience research published in the Journal of Finance has shown that stress impacts risk perception, making traders more prone to mistakes.
Setting predefined stop-loss and take-profit levels, and using brokerage tools like automated alerts, can help reduce the impact of emotions on trading decisions. Top traders often keep a trading journal, noting emotional triggers, to continually refine their decision-making process over time.
Reference: 7 Best Practices for Leveraging Emotional Intelligence as a ...
Conclusion
Recap: Key Takeaways on Leverage in Stock Trading
Leverage allows traders to control larger positions with a smaller amount of actual capital, amplifying both potential gains and losses. It's widely used in various forms, from margin trading in equities to leveraged ETFs. When the Nifty 50 experienced rapid movements in March 2020, traders using leverage saw both record profits and devastating losses depending on their timing and risk controls.
Understanding exactly how leverage works is crucial for anyone entering the world of stock trading. Retail traders in India often access leverage through brokers such as Zerodha, which offers margin funding on selected stocks, while international platforms like Interactive Brokers cater to more advanced needs. Realized profits or losses can be significantly magnified even when only a small seed capital is at stake.
The Dual Nature of Leverage: Opportunity vs Risk
Leverage acts as a double-edged sword. It offers an opportunity to enhance returns, but it also demands careful risk management to prevent catastrophic losses. As an example, Archegos Capital’s collapse in 2021 highlighted the dangers of excessive leverage, wiping out roughly $20 billion and impacting several major banks, including Credit Suisse and Nomura.
For retail traders, leveraging intraday margins during highly volatile sessions—like those following RBI announcements—can generate substantial profits or equally significant setbacks. Using leverage without protective measures such as stop-loss orders dramatically increases downside risk.
Adopting a Strategic and Responsible Approach
Responsible use of leverage starts with education and risk assessment. Traders should analyze how much drawdown they can sustain before committing capital. Employing tools like covered calls or stop-loss triggers on platforms like Upstox or Angel One can mitigate some of the inherent risks.
Setting clear risk parameters, such as never risking more than 1-2% of capital per trade, helps foster long-term viability. Ignoring risk controls can quickly erode an account, regardless of the strategy employed.
Next Steps: Building Skills and Support
Before live trading with leverage, consider these actionable steps for safer learning and execution:
- Deepen Your Education: Explore courses offered by the National Institute of Securities Markets (NISM) or attend webinars hosted by trading professionals. A solid grasp of concepts like margin calls and position sizing is vital.
- Practice with Demo Accounts: Many brokers—including ICICI Direct and virtual trading platforms such as MoneyBhai—offer demo accounts, letting you simulate leveraged trades in real market environments without risking real money.
- Consult with Experts: If you’re unsure about approaching leveraged trading, seek guidance from SEBI-registered investment advisors. Their experience can provide tailored strategies and risk management plans tailored to your profile.
Approach leverage as a valuable tool, not a shortcut, and take deliberate steps to safeguard your trading journey.
Frequently Asked Questions (FAQs)
Traders new to leverage often have important questions about risk, requirements, and strategies. Clarity on these topics can help beginners avoid costly errors and improve their chances of success. Below, we address common queries with details and real-world scenarios.
What is the minimum amount needed to trade with leverage?
The minimum amount required varies depending on the trading platform and asset. In US stock trading, brokers like Robinhood and E*TRADE typically require a minimum of $2,000 in a margin account to access leverage. This threshold aligns with FINRA regulations to reduce excessive risk for retail traders.
For mini contracts in Indian equity futures, exchanges like NSE generally require an initial margin of approximately ₹20,000–₹30,000 to start trading a single Nifty contract with leverage. This amount allows traders to control positions worth several times their deposit.
How does leverage in stock trading differ from futures or forex?
Stock trading leverage is usually lower and regulated. US-based stock accounts might offer 2:1 leverage, where a $5,000 deposit lets you control $10,000 in stock. Futures exchanges, such as CME for crude oil or Nifty in India, can offer leverage as high as 10:1 or more due to lower upfront margin requirements.
Forex brokers, like OANDA or IG, frequently provide leverage up to 50:1 or 100:1 for major currency pairs, letting traders with $1,000 control $50,000 or $100,000. However, as seen in events like the 2015 Swiss franc surge, such high leverage can magnify both gains and losses dramatically.
When should a beginner start using trading leverage?
Beginners should only consider leverage after consistently demonstrating disciplined trading in a demo or cash (unleveraged) account. Start by building at least 6–12 months of live trading experience and maintaining a positive performance record.
For example, a new user on Zerodha might first focus on equity delivery trades without leverage, tracking performance in a journal. Leverage should only be introduced after proven success and a clear understanding of risk management principles.
Why do brokers set maximum leverage limits?
Brokers impose maximum leverage limits to comply with regulatory requirements and protect their capital. For instance, after the 2020 market volatility, US brokers like Interactive Brokers reduced leverage to curb systematic risk and maintain client solvency.
Excessive leverage can quickly wipe out an account if a trade moves adversely. By capping leverage, brokers reduce the likelihood of negative balances and protect clients from severe financial losses.
How can I reduce losses when trading with high leverage?
Managing losses requires strict risk control and planning. Use stop-loss orders with every trade to predetermine the maximum tolerable loss. For example, traders using the Upstox platform can set stop-losses directly when placing leveraged intraday orders.
It's also advisable to risk no more than 1-2% of your capital on any single trade. Experienced traders on the NYSE often size their positions so that even with leverage, a single losing trade doesn't threaten their entire portfolio.
Is it possible to get margin calls overnight?
Yes, margin calls can occur overnight if your leveraged position loses value after regular market hours. This is common in volatile markets. For example, after quarterly earnings reports, stocks like Meta Platforms (formerly Facebook) have seen after-hours swings that trigger margin calls before the next trading session.
Global events—such as central bank announcements affecting Asian or European markets—can also impact leveraged forex or futures trades opened with brokers like Saxo Bank. Always monitor open positions and maintain adequate excess margin to reduce the risk of forced liquidation.