R:R Calculator
Reward-to-Risk Planner
Quick Examples:
Position Size & Risk Calculator
Max Shares / Contracts
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📘 Options Greeks Quick Reference
Delta (Δ)
Measures how much the option price changes with a $1 move in the underlying stock.
Calls: 0 to +1 | Puts: -1 to 0
Gamma (Γ)
Rate of change of Delta. Highest for ATM options near expiration.
Shows how quickly Delta accelerates.
Theta (Θ)
Time decay. How much value the option loses each day.
Always negative for long options.
Vega (ν)
Sensitivity to changes in implied volatility.
Positive for both calls and puts.
Rho (ρ)
Sensitivity to interest rate changes.
Least important for short-term traders.
Expected Value (EV) Calculator
Expected Value per Trade
+$140.00
Positive EV • Good Trade
📊 Options Greeks Visualizer
0.65
0.08
-42
0.38
🌅 Pre-Market Checklist
🛠️ Pro Tools & Resources
Position Size Calculator
Calculate proper share size based on your risk tolerance
Expected Value Calculator
See if a setup has positive expectancy over time
Risk-Reward Visualizer
Instantly evaluate your R:R ratio and trade quality
Options Greeks Visualizer
Interactive guide to Delta, Gamma, Theta, Vega & Rho