Welcome to Larry McMillan's Free Analysis Tools section, your destination for option trading resources including free option data and software to aide you in your option trading.

Calculators

• Covered Call Writing Calculator
• Free Probability Calculator

Data

• Free Volatility Data - Historical Volatility data, Implied Volatility data, and the Current Implied Volatility Percentile for all stock, index and futures options updated weekly

Charts

• Weekly Charts - S&P 500 (SPX), CBOE Market Volatility Index (VIX), 21-Day Equity Only Put Call Ratio (PC21), and Weighted 21-Day Equity Only Put Call Ratio (PC21 w) charts updated each Friday