Stock Indices
SPX500 Position Size Calculator
The SPX500 (S&P 500) is the broadest benchmark of US large-cap stocks and the most closely watched equity index globally. Fed decisions, earnings seasons, and macro data drive its 30–80 point daily swings.
Key Facts
▸ Point value: $1 per point per standard lot
▸ Average daily range: 30–80 points (percentage basis: 0.7–2.0%)
▸ Broadest representation of US economy across all sectors
▸ Key drivers: Fed policy, US GDP, earnings seasons, inflation, global risk sentiment
POSITION SIZER
Multi-Asset Protocol
Trade90 Safety System Active
Your current account equity or challenge balance
Trade90 Safety System: 0.5% max per trade
Your planned trade entry price
Price where your trade idea is invalidated
Your target — used to calculate R:R ratio
Recommended Position
✓ SAFE12.50
Standard Lots
Total Risk
$500.00
R:R Ratio
1:1.00
Stop Pips
40.0
Daily Risk Budget
Used of daily target 0.00% of 1.0%
Safe trades remaining today 2
Worked Example — SPX500 at $10,000 Account, 1% Risk
Static Preview| Account Balance | $10,000 |
| Risk Percentage | 1% |
| Dollar Risk Amount | $100 |
| Stop Loss Distance | 20 points |
| SPX500 Pip Value | ≈ $1.00 per standard lot |
| Calculation | $100 ÷ (20 × $1) |
| Lot Size | ≈ 5.00 standard lots |
Approximate values. Actual pip value varies by broker contract. Use the interactive calculator above for exact figures.
SPX500 Position Sizing — FAQ
How do I calculate position size for SPX500? +
Enter your account balance, risk percentage (0.5%–2%), entry price, and stop loss. The calculator divides your dollar risk by the SL distance in pips × pip value to give you the exact lot size.
What is the pip value for SPX500? +
Point value: $1 per point per standard lot
How much should I risk per SPX500 trade? +
Professional and FTMO-funded traders typically risk 0.5%–1% per trade. Exceeding 2% per trade significantly increases drawdown severity and the psychological difficulty of recovery.
What is the average daily range for SPX500? +
Broadest representation of US economy across all sectors