An option calculator helps determine the theoretical value of options and assess their risks and rewards. Here's a concise guide to using one:

Steps to Use an Option Calculator:

1. Access the Calculator:
• Use online tools or your brokerage platform’s built-in calculator.
2. Input Required Data:
• Underlying Asset Price: Enter the current market price.
• Strike Price: Enter the option’s strike price.
• Time to Expiry: Enter the time remaining until expiration (in days or years).
• Volatility: Enter the annual volatility percentage.
• Risk-Free Interest Rate: Enter the current risk-free rate (e.g., government bond yield).
• Dividend Yield: Enter the annual dividend yield, if applicable.
3. Choose Option Type:
• Select "Call" for the right to buy or "Put" for the right to sell.
4. Calculate:
• Click "Calculate" to get the theoretical price and option Greeks (Delta, Gamma, Theta, Vega, Rho).