SPX500 (S&P 500) Lot Size Calculator for FTMO

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Instrument Guide

SPX500 position sizing is refreshingly simple compared to forex - each point move equals $1 per lot, eliminating currency conversion headaches. With FTMO's indices, you're trading the cash index directly, not futures contracts with weird multipliers or expiration dates to track. The 45-point average daily range gives you solid movement to work with, but respect it when setting stops. For swing trades, 30-40 point stops make sense, while scalpers might use 10-15 points during active sessions. Here's the math that matters: On a $100k FTMO account, 1% risk = $1,000. With a 25-point stop (just over half the daily range), you can trade 40 lots maximum ($1,000 ÷ 25 = 40). Scale up to 2% risk ($2,000) and you're looking at 80 lots with the same stop. The beauty of SPX500 is its consistency - it trends well, respects technical levels, and doesn't gap as violently as individual stocks. For prop trading, this instrument is goldmine material. The daily range gives you multiple opportunities without the overnight risk of holding individual equities. FTMO's 5% daily loss limit pairs perfectly with SPX500's predictable volatility - you won't get stopped out by random spikes like you might with crypto or exotic forex pairs. The key is matching your stop loss to the session you're trading. During NY open, 20-30 points is reasonable. During low-volume periods, tighten to 10-15 points to maximize position size while staying within risk parameters.

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