What a Butterfly Spread Involves

A butterfly spread combines three strike prices using four total option contracts — typically buying one option
at a lower strike, selling two options at a middle strike, and buying one option at a higher strike, all with the
same expiry. The structure creates a position that profits most if the underlying finishes very close to the
middle strike at expiry.

Why the Middle Strike Matters So Much

Unlike most other strategies discussed here, a butterfly spread essentially represents a bet on a specific price
level — maximum profit occurs precisely at the middle strike, with profit potential decreasing as price moves away
from that level in either direction. This makes it fundamentally different from directional strategies, since it
requires price to land in a specific, narrow zone rather than simply move in a general direction.

Low Cost, Defined Risk, Defined Reward

One of the butterfly spread’s main appeals is its typically low upfront cost relative to other strategies,
combined with clearly defined maximum risk (the net premium paid) and clearly defined maximum reward (the
difference between strikes minus the premium paid) — offering a very transparent risk-reward profile from the
moment the position is established.

Call Butterflies vs Put Butterflies

A butterfly spread can be constructed using either all calls or all puts, with both variations producing a very
similar payoff profile — the choice between the two often comes down to relative pricing and liquidity of calls
versus puts at the chosen strikes for the specific underlying being traded.

When Traders Use Butterfly Spreads

Butterfly spreads suit traders who have a specific, fairly confident view that an underlying will settle near a
particular price by expiry — often used around known events where a stock is expected to trade sideways
afterward, or when a trader has identified a specific price level they believe price will gravitate toward.

Iron Butterflies: A Related Variation

An iron butterfly combines a short straddle at the middle strike with protective long options further out on
each side, achieving a similar payoff profile to a standard butterfly but constructed using a mix of calls and
puts rather than options of a single type — often resulting in a larger net credit received upfront.

The Narrow Profitable Range

Because maximum profit is concentrated so narrowly around the middle strike, butterfly spreads have a
comparatively narrow range within which they achieve their best outcome — a genuine trade-off for the strategy’s
low cost and defined risk, requiring a more precise view than broader strategies like iron condors.

Managing a Butterfly Spread Before Expiry

Similar to other multi-leg strategies, many traders close butterfly positions before expiry once a meaningful
portion of potential profit is captured, rather than waiting for the exact expiry moment, given how sensitive the
payoff is to the underlying’s precise final price.

Who Butterfly Spreads Suit

• Traders with a specific, fairly confident price target for an underlying at expiry
• Those seeking low-cost, clearly defined risk-reward positions
• Traders comfortable managing a four-legged position with a relatively narrow profitable zone

A Final Word on Butterfly Spreads

Butterfly spreads offer one of the more precisely defined risk-reward structures in options trading, rewarding
traders with a specific, well-reasoned price target rather than a broad directional or range-bound view — a
genuinely distinct tool worth understanding even if used less frequently than simpler strategies.

Broken Wing Butterflies: A Further Variation

A broken-wing butterfly adjusts the distance between strikes asymmetrically, shifting the risk-reward profile to eliminate risk on one side entirely in exchange for a less favourable payoff on the other — a further refinement worth exploring once the standard butterfly structure is well understood.

A Final Word on Butterfly Spreads

Butterfly spreads reward precision in both price forecasting and execution, offering traders with a specific, well-reasoned view a genuinely low-cost way to express that conviction with clearly bounded risk.