SPX500 Lot Size Calculator

Lot size for SPX500 (S&P 500) on MetaTrader 4. Risk percent and stop in points, lots to open out.

Built for MetaTrader 4 New Order. Same formula on every symbol: risk money divided by stop distance times the value of 1.00 lot per pip or point. Check Tick value in Specification if your broker’s contract is not the preset.

Lots to open (MT4)5
Mini lots (0.10)50
Micro lots (0.01)500
Contract units5
Value / 1.00 lot / 1 point1 USD
Risk if stop hits100 USD

Presets are common CFD specs. If MT4 Specification shows another Tick value, type that number. Brokers round lots (often 0.01). Spread can take the stop before your distance.

Frequently Asked Questions

Enter account size, risk percent, and stop loss in points for SPX500 (S&P 500). The result is the lot size to type in MetaTrader 4 New Order for SPX500.
It turns risk on SPX500 (S&P 500) into lots. Index and commodity CFDs use Tick value of 1.00 lot per point from MT4 Specification (preset 1 USD). Brokers differ.
Lots = risk money ÷ (stop distance × value of 1.00 lot per pip or point). A wider stop or a richer contract means fewer lots for the same risk.
No. Always match Tick value in Market Watch → Specification. Mini is 0.1 lot, micro is 0.01 lot. Brokers often round to 0.01.

MT4 lot size calculators

See all tools