Iron Condors for Monthly Income
Learn how to sell iron condors for consistent monthly income by profiting from stocks that stay within a range.
We're recording short 2-3 minute video explainers for every lesson. The full written guide is ready below. Bookmark this page — the video will appear right here when it's ready.
The Range-Bound Income Machine
An iron condor is two credit spreads on the same stock at the same time — a bull put spread below the current price and a bear call spread above it. You are betting the stock stays inside a range. If it does, you keep all the premium from both sides.
This is the ultimate "I think nothing exciting will happen" trade. And most of the time, nothing exciting does happen.
Anatomy of an Iron Condor
SPY trades at $500. You expect it to stay between $480 and $520 over the next 30 days.
- Sell 1 SPY $485 put, Buy 1 SPY $480 put (bull put spread) — Credit: $1.10
- Sell 1 SPY $515 call, Buy 1 SPY $520 call (bear call spread) — Credit: $1.00
- Total credit: $2.10 per share = $210
- Maximum risk on either side: $5.00 - $2.10 = $2.90 per share = $290
You can only lose on one side at a time — the stock cannot be below $480 and above $520 simultaneously. So your maximum loss is $290, not $580.
If SPY stays between $485 and $515: Both spreads expire worthless. You keep the full $210. Return on risk: 72.4%.
If SPY drops below $480 or rises above $520: You lose the maximum $290. But this means SPY had to move more than 3-4% in one direction. That happens, but not most months.
Why Iron Condors Work for Monthly Income
The math is compelling. Studies of SPY's monthly movements show that the index stays within a 5% range roughly 70-75% of the time in any given 30-day period. By setting your strikes outside that typical range, you create a high-probability income trade.
Here is what a year of monthly iron condors might look like on SPY:
- 8-9 winning months at $210 each = $1,680 to $1,890
- 3-4 losing months at -$290 each = -$870 to -$1,160
- Net annual income: $730 to $1,020 per single iron condor
- On $290 of risk, that is 252-352% return on capital at risk annually
Scale that up. Ten iron condors per month would require $2,900 in buying power and generate $7,300 to $10,200 annually. On a $25,000 account, that is 29-41% annually while using only a fraction of your capital.
These numbers assume you hold to expiration. Active management can improve results significantly.
Setting Up the Perfect Iron Condor
Step 1: Choose a low-volatility underlying. SPY, QQQ, IWM, or large-cap stocks that do not make wild swings. Avoid earnings, avoid biotech, avoid meme stocks.
Step 2: Set your short strikes at 1 standard deviation. Look for delta values around 0.15 to 0.20 on both sides. This gives you a roughly 70% probability zone.
Step 3: Set wing width at $5. For most underlyings, $5-wide wings offer a good balance of premium collected versus capital required. On higher-priced stocks, $10 wings are fine.
Step 4: Target 30-45 DTE. The same theta decay sweet spot applies here. Avoid weeklies for iron condors — the premium per day of risk is worse and gamma risk spikes.
Step 5: Collect at least one-third of the wing width. On a $5-wide iron condor, you want at least $1.65 in total credit. This ensures your risk/reward stays reasonable. If the credit is less than one-third, the strikes are too far out or IV is too low.
Managing Iron Condors
Close at 50% profit. If you collected $2.10, buy back the iron condor when it is worth $1.05 or less. This captures half the profit in less time and reduces the chance of a late-expiration reversal.
Manage the tested side. If SPY drops toward your $485 put strike, do not wait. You have options:
- Roll the put spread down and out for a credit (move to lower strikes, further expiration)
- Close just the threatened side for a loss and let the profitable call side expire
- Close the entire position if the loss is manageable
Never adjust the untested side to "pay for" the losing side. Rolling your call spread closer to collect more premium sounds smart but doubles your directional risk if the stock reverses.
Track your win rate. Iron condors should win 65-75% of the time. If your win rate drops below 60%, your strikes are too tight or you are trading in the wrong market environment.
When to Avoid Iron Condors
Do not sell iron condors before major events — Fed meetings, elections, earnings for individual stocks. Do not sell them in trending markets where SPY is making new highs or lows every week. Iron condors are a mean-reversion strategy. They need sideways markets to thrive.
Next, we will talk about something that makes or breaks your income strategy: picking the right stocks.