spread-analysis

Analyze multi-leg option strategies.

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/spreads.py SYMBOL --strategy STRATEGY --expiry YYYY-MM-DD [options]

Strategies and Options

Vertical Spread (bull/bear call/put spread):

uv run python scripts/spreads.py AAPL --strategy vertical --expiry 2026-01-16 --type call --long-strike 180 --short-strike 185

Straddle (long call + long put at same strike):

uv run python scripts/spreads.py AAPL --strategy straddle --expiry 2026-01-16 --strike 180

Strangle (long call + long put at different strikes):

uv run python scripts/spreads.py AAPL --strategy strangle --expiry 2026-01-16 --put-strike 175 --call-strike 185

Iron Condor (sell strangle + buy wider strangle):

uv run python scripts/spreads.py AAPL --strategy iron-condor --expiry 2026-01-16 --put-short 175 --put-long 170 --call-short 185 --call-long 190

Output

Returns JSON with:

• strategy - Strategy name and legs
• cost - Net debit or credit
• max_profit - Maximum potential profit
• max_loss - Maximum potential loss
• breakeven - Breakeven price(s)
• probability - Estimated probability of profit (based on IV)

Explain the risk/reward and when this strategy is appropriate.

Dependencies

• pandas
• yfinance

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.