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Can you lose money selling puts?
Yes. Selling a put means promising to buy 100 shares at the strike. If the stock falls far below it, you buy high and own something worth less. Here is the loss in numbers.
The short answer
Yes. When you sell a Put option, the most you can make is the premium. The most you can lose is the strike price times 100, minus that premium. That happens if the stock goes to zero.
The stock doesn't have to go to zero for the loss to be big. A 30% drop on a stock you promised to buy is a 30% loss on 100 shares, less the premium.
The example, with the stock gapping down (an illustration, not a trade idea)
A made-up stock, XYZ, trades at $50. You sell a 30-day $45 put for $1.00 and collect $100. Your broker sets aside $4,500.
Two weeks in, XYZ reports bad news and opens at $30.
| XYZ at expiry | What happens | Shares | Premium | Total |
|---|---|---|---|---|
| $0 | Assigned; shares worthless | −$4,500 | +$100 | −$4,400 |
| $25 | Assigned at $45; keeps falling after | −$2,000 | +$100 | −$1,900 |
| $30 | Assigned at $45; worth $30 | −$1,500 | +$100 | −$1,400 |
| $40 | Assigned at $45; worth $40 | −$500 | +$100 | −$400 |
| $44 | Break-even | −$100 | +$100 | $0 |
| $50 | Put expires | — | +$100 | +$100 |
At $30 you are down $1,400 on a trade that paid $100. The premium was 2% of the cash you set aside. The drop was 40%.
Can I just close it before it gets worse?
You can buy the put back any time. The price will have moved against you. With XYZ at $30, a $45 put is worth at least $15 (the $15 it's already in the money) plus some time value. Buying it back costs about $1,500 or more.
| Choice at $30 | Cost now | What you hold after |
|---|---|---|
| Buy the put back | About −$1,500, +$100 kept = −$1,400 | Nothing; loss is final |
| Take assignment | −$4,500 cash out, 100 shares in | Shares worth $3,000; paper loss −$1,400 |
| Roll down and out | Small credit or debit | A new put on a stock still falling |
Closing doesn't shrink the loss. It makes it final. Rolling doesn't shrink it either; it moves it to next month on a stock that just showed it can gap. If XYZ keeps sliding to $25, the assigned shares are down $1,900, and the roll would have been assigned at a lower strike with the same problem.
That is a math example, not a prediction. The point is that nothing you do after the gap gets the $1,400 back. The decision that mattered was before the trade: would I own this at $45?
Why beginners get surprised
Most people size a put by the premium. "I'm only risking $100." The $100 is what you collect. The risk is the $4,500 you promised.
In the wheel strategy, the put is the entry. It only works as an entry on a stock you'd buy with cash today, at that strike, with no option attached.
What makes the loss survivable
- Cash-secured, never naked. With the cash set aside, the worst case is owning shares you paid for. A naked put on margin can force your broker to close other positions.
- One position, sized as 100 shares. Five puts on five stocks in a crash is five assignments at once.
- No earnings inside the expiry. The $30 gap in the example is what an earnings miss looks like.
- A written exit on the shares. If assigned, where on the chart would you sell, and what is that loss?
Account note: in Canada, cash-secured puts are allowed in a TFSA or RRSP at some brokers and not others, and options permissions differ by broker everywhere.
Questions
What is the max loss when selling a put?
The strike times 100, minus the premium. A $45 put sold for $1.00 can lose $4,400 if the stock goes to zero.
Can I lose more than the cash I set aside?
Not on a cash-secured put; the cash covers the shares. On a naked put sold on margin, your broker lends the shortfall, and a big drop can force the sale of other holdings.
Should I close or take assignment when the stock drops?
Both lock you into roughly the same loss. Closing makes it final; assignment turns it into shares you now hold. Decide based on whether you'd own the stock at that price, not on the hope of a bounce.
Does rolling the put fix the loss?
No. Rolling closes the losing put and opens a new one further out, often at a lower strike. It delays the decision and keeps you exposed to a stock that's falling.
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