Free Tool
Position Size Calculator
Calculate the right number of contracts for any futures trade based on your account size, risk tolerance, and stop loss distance.
Calculate Your Position
Why Position Sizing Matters
Position sizing is the single most important risk management decision you make on every trade. Even the best strategy will blow up an account if position sizes are too large. The goal is to risk a consistent, small percentage of your account on each trade so that no single loss can significantly damage your equity.
Professional traders typically risk between 1% and 3% of their account per trade. At 2% risk, you can sustain 10 consecutive losing trades and still have over 80% of your capital intact. At 10% risk per trade, just 5 losses in a row wipes out nearly half your account.
How the Calculator Works
Dollar Risk is your account size multiplied by your risk percentage. If you have a $50,000 account and risk 2%, your dollar risk is $1,000 per trade.
Position Size divides your dollar risk by the dollar value of your stop loss distance. For example, if one point on ES is worth $50 and your stop is 10 points away, each contract risks $500. With $1,000 dollar risk, you can trade 2 contracts.
Margin Utilization shows what percentage of your account the required day-trade margin consumes. High margin utilization means less room for adverse moves before a margin call. Keeping this under 50% gives you a healthy buffer.
Points vs. Ticks
A point is the full unit of price movement (e.g., ES moving from 5200.00 to 5201.00 is 1 point). A tick is the minimum price increment. For ES, one tick is 0.25 points, so 1 point equals 4 ticks. The dollar value per point is the tick value divided by the tick size.
Contract Specifications
| Symbol | Name | Tick Size | Tick Value | $/Point | Day Margin |
|---|---|---|---|---|---|
| ES | E-mini S&P 500 | 0.25 | $12.50 | $50.00 | $15,900 |
| NQ | E-mini Nasdaq 100 | 0.25 | $5.00 | $20.00 | $21,500 |
| CL | Crude Oil | 0.01 | $10.00 | $1,000.00 | $8,300 |
| GC | Gold | 0.10 | $10.00 | $100.00 | $11,000 |
| YM | E-mini Dow | 1.00 | $5.00 | $5.00 | $10,700 |
| RTY | E-mini Russell 2000 | 0.10 | $5.00 | $50.00 | $7,600 |
| 6E | Euro FX | 0.00005 | $6.25 | $125,000.00 | $2,800 |
| MES | Micro E-mini S&P 500 | 0.25 | $1.25 | $5.00 | $1,590 |
| MNQ | Micro E-mini Nasdaq 100 | 0.25 | $0.50 | $2.00 | $2,150 |
| MCL | Micro Crude Oil | 0.01 | $1.00 | $100.00 | $830 |
Margin values shown are approximate intraday margins and vary by broker. Always verify with your broker before trading.
Risk Management Tips
Never risk more than 2-3% of your account on a single trade. This is the industry standard for active futures traders. It ensures that a bad streak does not destroy your capital.
Watch your margin utilization. Even if position sizing says you can trade 5 contracts, your margin might consume 80% of your account, leaving no room for drawdown. Aim for under 50% margin utilization.
Use micro contracts (MES, MNQ, MCL) when your account is smaller. They give you the same exposure at 1/10th or 1/5th the cost, letting you size positions more precisely.
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