By Marco BösingWhat Is Leverage?
Leverage refers to the ability to control a larger market position than the deployed capital would normally allow. The trader deposits only a security deposit (margin) and in return gains access to the full contract value.
In futures trading, leverage is an inherent feature: an E-Mini S&P 500 future with a contract value of approximately $250,000 typically requires an intraday margin of only a few thousand dollars. This translates to leverage of 50:1 or more.
How Does Leverage Work?
The leverage effect arises from the ratio between the controlled position value and the actual capital deployed (margin):
Leverage = Position Value / Deployed Margin
Example: A trader deposits $5,000 in margin and controls a position worth $100,000. The leverage is 20:1. If the position rises by 1%, the trader gains $1,000 — a return of 20% on their deployed capital.
Leverage Amplifies in Both Directions
Leverage is a double-edged sword: it amplifies not only gains but also losses. If the position in the example above falls by 1%, the trader also loses $1,000 — 20% of their stake. A 5% decline would wipe out the entire margin.
Leverage in Futures Trading
Futures inherently offer high leverage, as the required margin represents only a small fraction of the contract value:
| Instrument | Contract Value (approx.) | Typical Intraday Margin | Effective Leverage |
|---|---|---|---|
| E-Mini S&P 500 | $250,000 | $5,000 | 50:1 |
| Micro E-Mini S&P 500 | $25,000 | $500 | 50:1 |
| E-Mini Nasdaq 100 | $350,000 | $7,000 | 50:1 |
| Crude Oil (CL) | $70,000 | $4,000 | 17:1 |
It is important to understand that margin requirements vary by broker and market conditions. During volatile periods, brokers and exchanges frequently increase margin requirements.
Effective Leverage vs. Maximum Leverage
Maximum leverage describes the theoretically possible leverage based on minimum margin requirements. Effective leverage considers how much capital the trader actually holds in their account.
A trader with a $50,000 account balance trading one E-Mini S&P 500 future (contract value: ~$250,000) is using effective leverage of approximately 5:1 — even though the maximum leverage would be much higher. Professional traders consciously control their effective leverage and keep it conservative.
Risk Management with Leverage
Responsible use of leverage is one of the most critical skills in trading:
- Position sizing: Position size should be calculated so that the maximum loss per trade does not exceed a set percentage of the account (typically 1-2%)
- Limit effective leverage: Do not max out available margin — leave sufficient buffer for market movements
- Avoid margin calls: A margin call occurs when the account balance falls below the maintenance margin and the broker demands additional funds or closes positions
- Volatility adjustment: Reduce leverage during high-volatility phases, as price swings widen
Common Mistakes with Leverage
- Maxing out available leverage: Beginners often use the maximum available leverage and leave no room for normal market fluctuations. Even a small move against the position can then trigger a margin call. I recommend always keeping sufficient buffer in your account.
- Underestimating the leverage effect: Many traders calculate only the potential gain but forget the loss side. Leverage of 50:1 means a decline of just 2% can wipe out the entire stake. Always calculate both scenarios before opening a position.
- Not adjusting leverage during volatile phases: Around news events or during unusually high volatility, risk increases substantially. Traders who do not reduce their leverage when market swings widen take on disproportionately high risk.
- Holding multiple leveraged positions simultaneously: Traders who hold several positions in the same market or in correlated markets are effectively leveraging their entire account far more than they realize. Always calculate the combined effective leverage of all open positions.
FAQ
How much leverage should I use in trading?
There is no universal answer. Professional traders typically maintain effective leverage of 5:1 to 10:1. Beginners should start with even lower leverage and increase it only as experience grows.
What is a margin call?
A margin call occurs when the account balance falls below the required maintenance margin due to losses. The broker then demands additional funds or closes open positions to limit risk.
Why do futures offer such high leverage?
Futures are institutional instruments originally designed for hedging. The low margin requirements reflect high liquidity and central clearing, which eliminates counterparty risk.