Broken Wing Butterfly

Options Spreads Advanced United States SPY SPX QQQ IWM AAPL MSFT AMZN TSLA NVDA META

Neutral to slightly directional - expecting stock to move toward the body but not through the broken wing

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Quick Reference

Strategy Type Directional / Neutral Premium Strategy (Net Credit or Small Debit)
Market Outlook Neutral to slightly directional - expecting stock to move toward the body but not through the broken wing
Risk Profile Asymmetric - NO risk on one side, defined risk on the other side
Reward Profile Limited - maximum profit at body strike
Time Horizon 30-60 DTE typical
Iv Environment Moderate to high IV preferred
Breakeven Depends on structure - can have zero, one, or two breakevens

Payoff Profile

Asymmetric butterfly with one wing wider than the other. Peak profit at body, no risk on wide wing side if entered for credit. • Maximum loss on narrow wing side • Breakeven (if debit) or small profit (if credit) • MAXIMUM PROFIT • Declining profit toward breakeven or guaranteed profit • Zero loss or guaranteed profit if structured correctly

United States Market Details

Primary Instruments SPY, SPX, QQQ - index options preferred for liquidity. Large cap stocks work well.
Sec Compliance Standard listed options, can be structured as defined risk
Contract Size 100 shares per contract (SPX is $100 multiplier)
Trading Hours 9:30 AM - 4:00 PM ET
Expiry Options Weekly, monthly, quarterly expirations available
Settlement Equity options: T+1, American-style. SPX: Cash-settled, European-style
Margin Requirements Varies by structure - can be zero margin if entered for credit with no risk on wide wing side
Pdt Rule Applies if day trading. Broken wing butterflies typically held for days/weeks.
Tax Treatment Short-term capital gains for positions held < 1 year. SPX has 60/40 tax treatment.

Frequently Asked Questions

Is a broken wing butterfly harder to trade than a regular butterfly?

Slightly. The asymmetric structure means you need to understand which direction has risk and which doesn't. However, once you grasp this, BWBs offer more flexibility than standard butterflies because you can align them with your directional view.

Can I lose money on the wide wing side of a BWB?

If entered for a credit (and credit ≥ narrow wing width), NO - you cannot lose on the wide wing side. If entered for a debit, you can have a small loss (equal to the debit) on the wide wing side.

How do I choose between a Put BWB and a Call BWB?

Choose based on your bias: Put BWB if bullish (no upside risk), Call BWB if bearish (no downside risk). The wide wing goes in the direction you expect the stock to move.

What's the catch with BWBs?

The tradeoff is that you accept all the risk on one side. If the stock moves significantly toward your narrow wing (the wrong direction), you can hit max loss. You're betting it won't move that way.

Why would anyone use a standard butterfly instead of a BWB?

Standard butterflies are better when you have no directional bias and simply expect the stock to stay at the body. BWBs are specifically for when you have a directional view and want to eliminate risk on one side.

How do I calculate the credit needed to eliminate wide wing risk?

The credit must be at least equal to the narrow wing width. If narrow wing is $10 wide, you need at least $10 credit. With $10 credit and $10 narrow wing, you break even if stock goes to narrow wing, and keep the credit if stock goes past wide wing.

Can I leg into a BWB?

Yes, experienced traders sometimes leg in - perhaps establishing the body spread first, then adding the wings. However, this adds execution risk. Most traders enter all legs simultaneously.

How does a BWB compare to a vertical spread in terms of risk/reward?

A BWB has higher max profit potential at the body strike but in a narrower zone. A vertical spread profits anywhere beyond a single breakeven. BWBs are better when you have a specific target; verticals are better for general directional moves.

What's the best way to manage a BWB that's moving toward max profit?

Take profits at 50-75% of max profit. Don't wait for the perfect pin at expiration - gamma risk increases and the position becomes very sensitive. Closing early locks in substantial gains.

Should I adjust a BWB if the stock moves away from the body but stays between strikes?

Generally no - if the stock is still between your wings, let it play out. Time decay is still working. Only adjust if the stock significantly threatens the narrow wing or your thesis has changed.

How do I use BWBs for portfolio hedging?

For long portfolios, Call BWBs on major indices provide downside protection (the wide wing is below) while generating premium. The 'hedge' kicks in if markets drop, but you're protected against rallies. Size based on portfolio delta.

What's the optimal wing ratio for maximizing expected value?

It depends on your probability assessment. A 1.5x ratio gives good credit while maintaining reasonable max profit. A 2x ratio generates more credit but reduces max profit. Backtest different ratios against your typical holding period and market conditions.

How do I systematically trade BWBs for income?

Enter at 45 DTE with IV Rank > 30%. Body at 30-40 delta strikes. Wide wing 1.5-2x narrow wing for credit entry. Exit at 50% profit or 21 DTE. Max 5 positions, 2-3% risk per position. Track and iterate.

When would you use an unbalanced ratio BWB (like 2-3-1)?

Unbalanced ratios create different delta biases. A 2-3-1 Put BWB (2 low, 3 middle, 1 high) has more bullish delta. Use when you want stronger directional exposure while maintaining the BWB structure. Warning: can create naked exposure.

How does pin risk affect BWBs differently than standard butterflies?

Pin risk at the body strike affects both equally - you have max profit but assignment risk on the short options. However, BWBs have asymmetric pin risk at the long strikes. The wide wing long has less pin risk because it's further from the body where you're targeting.

Related Strategies

Standard Butterfly
Iron Butterfly Iron Condor
Double Broken Wing Butterfly
Skip-Strike BWB
Vertical Spread
Calendar Spread

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