Calendar Spread Options Profit Calculator

Sell near-term option, buy longer-dated option at same strike.

Switch strategy

Symbol

Override price (optional — scenario testing)

Position Legs

Expiration Date

Enter a symbol above and select expiry to load live options data

Leg 1 — Long Call

manual

Strike

Premium / share

Contracts

Implied Volatility (%)

Leg 2 — Short Call

manual

Strike

Premium / share

Contracts

Implied Volatility (%)

Settings

IV Scenario

Commission ($ per contract)

Use bid/ask spread (worst-case fill)

Strategy Results

Select an expiry and strike to analyze your Calendar Spread

P&L Chart

Enter strike and premium to see P&L chart

P&L Heatmap

price × DTE

Enter position details to see P&L heatmap

Position Greeks

Greeks appear once strikes are entered

What is a Calendar Spread Options Calculator?

Sell a near-term option and buy a longer-dated option at the same strike. Profit from time decay difference between the two legs. Requires the stock to stay near the strike.

Max risk

limited

Max reward

limited

Legs

2 legs