Introduction: Multi-Leg Income Strategies

Iron condors and butterflies are four-legged spreads that combine two vertical spreads. They're ideal for range-bound, low-volatility environments where you expect the stock to stay within a defined range. These strategies offer excellent capital efficiency and high probability of profit, making them favorites of professional income traders.

Unlike two-legged spreads, condors and butterflies require more capital and attention to management, but the reward—consistent monthly income—makes them worth mastering.

The Iron Condor Explained

Construction: Two Credit Spreads

An iron condor combines a bull put spread (bottom protection) and a bear call spread (top protection):

Iron Condor = Bull Put Spread + Bear Call Spread

Legs:
1. Sell put at strike A (lower protection)
2. Buy put at strike B (lower wing, B lower than A)
3. Sell call at strike C (upper protection)
4. Buy call at strike D (upper wing, D higher than C)

Real Example: SPY Iron Condor

Setup: March 6, 2026. SPY at $520. You expect it to stay between $510 and $530 through April 17 (41 DTE).

Position:

Bull Put Spread (bottom):
Sell 510 put for $1.80 = +$180
Buy 505 put for $0.70 = -$70
Credit: $110

Bear Call Spread (top):
Sell 530 call for $2.10 = +$210
Buy 535 call for $0.90 = -$90
Credit: $120

Total Iron Condor Credit: $230
Max profit: $230 (if SPY stays between $510-$530)
Max loss: Wider of the two wings (if SPY breaks below $505 or above $535) = $770

Wing Width Selection

The wings (distance between short and long strikes) can be equal or unequal:

Wing Width	Cost	Max Loss	Use Case
$5 both sides	$230 credit	$770	Balanced; high quality spreads
$3 bottom, $7 top	$280 credit	$720	More bullish bias
$7 bottom, $3 top	$180 credit	$820	More bearish bias

Profit Zones and Breakeven

The "Sweet Spot"

The iron condor profits in its "sweet spot"—the range between the two short strikes. Outside this range, losses begin.

SPY Iron Condor Profit Zones:

Maximum Profit Zone: SPY between $510-$530 at expiration
Profit: $230 (all premium collected)

Breakeven Points:
Lower: $510 - $2.30 = $507.70
Upper: $530 + $2.30 = $532.30

Loss Zone (Bottom): SPY below $507.70
Losses increase as SPY falls below $507.70
Max loss if SPY ≤ $505 = $770

Loss Zone (Top): SPY above $532.30
Losses increase as SPY rises above $532.30
Max loss if SPY ≥ $535 = $770

Probability and Adjustments

Probability of Profit (PoP)

Iron condors typically have 65-75% PoP when set up correctly. This is calculated as:

PoP ≈ 1 - (Delta of short put + Delta of short call)

SPY Condor PoP:
Short put delta: .30
Short call delta: .25
PoP ≈ 1 - (.30 + .25) = 45%

Wait, that's low! This is because the condor has risk on BOTH sides. When structured properly with equal wings, it's more like 70% PoP.

Adjusting When Tested

When a stock breaks toward one of your strikes, you have several options:

Adjustment	When to Use	New Credit	Risk Level
Close early (50% profit)	Condor is profitable, want to lock gains	N/A (close)	Low
Close one wing (affected side)	One side threatened, want to protect	Small	Medium
Roll threatened wing out/up/down	One side threatened, want to extend	Additional credit	Medium-High
Let it ride to expiration	Both sides safe with days remaining	N/A	High (timing risk)

Iron Butterflies

Construction: ATM-Focused Condor

A butterfly is a condor where the two short strikes are very close together, typically at-the-money (ATM). This creates a narrow profit zone but maximizes income.

Iron Butterfly = Narrow Iron Condor with Short Strikes at ATM

Example Structure:
SPY at $520
Sell 520 put / Buy 515 put (bottom)
Sell 520 call / Buy 525 call (top)

Real Example: SPY Iron Butterfly

Setup: SPY at $520. You expect it to stay close to $520 but want maximum income.

Position:

Sell 520 put for $3.50 = +$350
Buy 515 put for $2.10 = -$210
Sell 520 call for $3.50 = +$350
Buy 525 call for $2.10 = -$210
Total credit: $280
Max profit: $280 (if SPY stays AT $520)
Max loss: $720 (if SPY moves beyond $515 or $525)

Butterfly vs. Condor Trade-off

Factor	Iron Condor	Iron Butterfly
Profit Zone Width	Wider (higher tolerance)	Narrower (requires precision)
Max Income	Moderate	Higher per unit capital
Probability of Profit	65-75%	50-60% (narrower zone)
Adjustment Flexibility	More options	Less (ATM constraints)
Best Market	Range-bound, all volatility	Very low volatility, stable

Real Monthly Example: SPY Iron Condor Trading

March 2026 Setup (SPY at $520):

Iron Condor:
Sell 510 put / Buy 505 put: +$110
Sell 530 call / Buy 535 call: +$120
Total credit: $230

Scenario 1 - SPY stays at $520 (41 days):
Both spreads expire worthless
Profit: $230
Return: $230 / $770 = 30% on max risk = 267% annualized

Scenario 2 - SPY at $514 after 10 days:
Bull put spread threatened, condor worth $350
Close now for $120 profit
Return: $120 / $770 = 16% in 10 days = 584% annualized

Scenario 3 - SPY at $508 after 20 days:
Bull put spread is ITM by $2
Current loss on that side: ~$190
But total condor still worth $80 (bearish spread helped)
Can close for $150 loss or adjust

Broken-Wing Butterflies

Concept: Asymmetric Butterflies

A broken-wing butterfly uses unequal wing widths, creating asymmetry. This is useful when you have a directional bias but still want income.

Example: Bullish Broken-Wing Butterfly

Standard Butterfly:
Bottom wing: $5 wide | Top wing: $5 wide
Symmetric around SPY = $520

Broken-Wing Butterfly (Bullish Bias):
Bottom wing: $5 wide ($515/$510 put spread)
Top wing: $10 wide ($520/$530 call spread)
Credits: $160 bottom + $90 top = $250 total
Max loss bottom: $340 | Max loss top: $750

Outcome:
More profit zone on upside; less on downside
Best if you're slightly bullish but still want income

Management Rules for Iron Condors

Rule 1: Close at 50% max profit. Lock gains early rather than holding to expiration.

Rule 2: Close one wing if it reaches 2x your profit. Example: condor credit $230, if one spread reaches $150 loss, close it.

Rule 3: Exit losers at 2x max profit. If you collected $230 and loss reaches $460, close and take the loss.

Rule 4: Don't hold through earnings. IV spike can blow out condors. Close beforehand.

Capital Efficiency

Iron condors require more capital than single spreads but offer excellent efficiency:

Capital & Return	Bull Put Spread	Iron Condor
Credit Received	$110	$230
Max Risk	$390	$770
Monthly Return %	28% on risk	30% on risk
Annualized %	336%	360%

Key Takeaways

1. Iron condors are ideal for range-bound markets. Two credit spreads on both sides of the current price.

2. Max profit = total credit collected. Max loss = the wider wing width minus the credit.

3. Butterflies concentrate profit potential. Higher income but narrower sweet spot.

4. Close winners at 50% profit. Don't wait for expiration.

5. Adjust when tested. Close the threatened wing or roll it to manage risk.

6. Avoid earnings. IV expansion can blow out profits. Close before earnings announcements.

Strategy Track

Iron Condors & Butterflies