Position size calculator
Nasdaq lot size calculator.
Size a US100 trade from your balance, the risk you accept, and your stop loss in handles. The lot size rounds down to your broker's lot step, so the risk never exceeds your budget.
Advanced · Broker spec 1 contract · 1 handle = $1.00 per lot
Contract size
Lot step
Most brokers' US100 has a contract size of 1, so a handle is worth $1 on one lot, with a 0.01 lot step. Leave these alone unless your broker's symbol specification says otherwise.
Risk per trade 2.00% · $200.00
Equivalent to 2.00% of balance
Stop loss
Nasdaq handle value: $0.01 per 0.01 lot · $1.00 per 1.0 lot
Reward to risk 1 : 2
Lot size
4.00 lots
$200.00 ÷ (50 handles × $1.00) = 4.00 lots
- Risk
- $200.00
- 2.00% of balance
- Reward
- $400.00
- at 100 handles
- Stop loss
- 50 handles
- Take profit
- 100 handles
- Handle value
- $4.00
Margin required
Fetching the live Nasdaq price…
Fetching live price…
How the lot size is worked out
Your risk budget is your balance multiplied by the percentage you choose to risk. One handle is a 1.0 point move in the index, which is worth $1 on one lot on most brokers' US100. The lot size is the risk budget divided by the stop loss in handles multiplied by that $1. If your broker pays $10 a handle, choose that under the broker spec.
Brokers only accept sizes in fixed steps, usually 0.01 lots. The calculator rounds down to that step rather than to the nearest one, so $200 on a 30 handle stop gives 6.66 lots and $199.80 of risk, never 6.67 lots and $200.10. Risk and reward are shown at the size you can actually place.
Margin is the lot size times the contract size times the index price, divided by your leverage. The calculator fills in the live Nasdaq-100 index price and shows when it was quoted. The index only moves during US market hours, and your broker's US100 price can differ from it, so type the price your platform shows if you want margin to match it exactly.
This is a sizing tool, not financial advice. Read the risk disclaimer before you trade.
Sizing is one part of risk. The app teaches the rest.
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