| name | greeks |
| description | Calculate option Greeks (delta, gamma, theta, vega) and implied volatility for specific options. Use when user asks about Greeks, delta, gamma, theta, vega, IV, or option sensitivity analysis. |
| dependencies | ["trading-skills"] |
Option Greeks
Calculate Greeks for options using Black-Scholes model. Computes IV from market price via Newton-Raphson.
Instructions
Note: If uv is not installed or pyproject.toml is not found, replace uv run python with python in all commands below.
uv run python scripts/greeks.py --spot SPOT --strike STRIKE --type call|put [--expiry YYYY-MM-DD | --dte DTE] [--price PRICE] [--date YYYY-MM-DD] [--vol VOL] [--rate RATE]
Arguments
--spot - Underlying spot price (required)--strike - Option strike price (required)--type - Option type: call or put (required)--expiry - Expiration date YYYY-MM-DD (use this OR --dte)--dte - Days to expiration (alternative to --expiry)--date - Calculate as of this date instead of today (YYYY-MM-DD)--price - Option market price (for IV calculation)--vol - Override volatility as decimal (e.g., 0.30 for 30%)--rate - Risk-free rate (default: 0.05)
Output
Returns JSON with:
spot - Underlying spot pricestrike - Strike pricedays_to_expiry - Days until expirationiv - Implied volatility (calculated from market price)greeks - delta, gamma, theta, vega, rho
Examples
uv run python scripts/greeks.py --spot 630 --strike 600 --expiry 2026-05-15 --type call --price 72.64
uv run python scripts/greeks.py --spot 630 --strike 600 --dte 30 --type call --price 40
uv run python scripts/greeks.py --spot 630 --strike 600 --expiry 2026-05-15 --date 2026-03-01 --type call --price 50
Explain what each Greek means for the position.
Dependencies
Timezone
All timestamps and time-based calculations must use the America/New_York timezone. All JSON output must include generated_at (NY time string) and data_delay fields.
