Spread strategies: trading one option against another

A spread finances one option with another. That single idea — pay for a right, sell away part of it — turns an open-ended bet into a defined structure with a known maximum profit and, usually, a known maximum loss. Spreads are where options stop being lottery tickets and start being instruments.

What are spread strategies? A spread strategy holds two or more options of the same type on the same underlying, differing in strike, expiry, or both. Vertical spreads differ by strike, horizontal (calendar) spreads by expiry, and diagonal spreads by both. Ratio spreads change the quantities, which is what reintroduces undefined risk.

Bull Call Spread

Bullish

A Bull Call Spread buys a lower-strike call and sells a higher-strike call of the same expiry for a net debit, giving a moderately bullish position w…

Buy lower-strike call + sell higher-strike call, same expiry Defined

Bear Put Spread

Bearish

A Bear Put Spread buys a higher-strike put and sells a lower-strike put of the same expiry for a net debit, a moderately bearish position whose maxim…

Buy higher-strike put + sell lower-strike put, same expiry Defined

Bull Put Spread

Bullish

A Bull Put Spread sells a higher-strike put and buys a lower-strike put of the same expiry for a net credit, a moderately bullish position that keeps…

Sell higher-strike put + buy lower-strike put, same expiry Defined

Bear Call Spread

Bearish

A Bear Call Spread sells a lower-strike call and buys a higher-strike call of the same expiry for a net credit, a moderately bearish position that ke…

Sell lower-strike call + buy higher-strike call, same expiry Defined

Call Ratio Spread

Neutral

A Call Ratio Spread buys one call and sells two higher-strike calls of the same expiry, usually for a net credit; because it is net short one call, t…

Buy 1 lower-strike call + sell 2 higher-strike calls, same expiry Undefined

Put Ratio Spread

Neutral

A Put Ratio Spread buys one put and sells two lower-strike puts of the same expiry, usually for a net credit; because it is net short one put, the wo…

Buy 1 higher-strike put + sell 2 lower-strike puts, same expiry Undefined

Call Ratio Backspread

Bullish

A Call Ratio Backspread sells one lower-strike call and buys two higher-strike calls of the same expiry; being net long one call, its risk is defined…

Sell 1 lower-strike call + buy 2 higher-strike calls, same expiry Defined

Calendar Spread

Neutral

A Calendar Spread sells a near-dated option and buys a longer-dated option at the same strike for a net debit, profiting when time decays the short l…

Sell near-dated option + buy longer-dated option, same strike Defined

Diagonal Spread

Bullish

A Diagonal Spread sells a near-dated option and buys a longer-dated option at a different strike, combining the time-decay edge of a calendar with th…

Sell near-dated option + buy longer-dated option, different strike Defined

Vertical Spread

Direction-agnostic

A Vertical Spread combines a long and a short option of the same type and expiry but different strikes; the shared expiry and the strike width togeth…

Long + short option of the same type and expiry, different strikes Defined

Horizontal Spread

Neutral

A Horizontal Spread, the taxonomic name for a calendar, pairs two options of the same strike and type whose expiries differ along the time axis of th…

Same strike, two expiries — the taxonomic name for a calendar Defined

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Frequently asked questions

What are spread strategies?
A spread strategy holds two or more options of the same type on the same underlying, differing in strike, expiry, or both. Vertical spreads differ by strike, horizontal (calendar) spreads by expiry, and diagonal spreads by both. Ratio spreads change the quantities, which is what reintroduces undefined risk.
How many spread strategies are there?
StrategyGyan documents 11 spread strategies in full, each with a payoff diagram, its Greeks, its maximum profit and loss stated as a formula and as a worked number, and both NIFTY and BANKNIFTY examples.
Which of these has defined risk?
Bull Call Spread, Bear Put Spread, Bull Put Spread, Bear Call Spread, Call Ratio Backspread, Calendar Spread, Diagonal Spread, Vertical Spread, Horizontal Spread carry a structurally capped maximum loss. Call Ratio Spread, Put Ratio Spread do not — their loss is bounded only by how far the underlying can move.
Educational content only — not investment advice. See our Risk Disclosure.