How much can I lose?

Understanding your maximum loss before you enter any options trade is non-negotiable. Options offer both defined-risk structures where your worst case is known upfront, and undefined-risk structures where losses can grow substantially. Knowing which type of trade you're in , and exactly what the worst case looks like , is the foundation of responsible options trading.

Defined risk trades , your loss is capped

In a defined risk trade, the maximum loss is set at the moment you enter. No matter what the stock does, you cannot lose more than this amount.

Long options (buying calls or puts): Maximum loss = Premium paid. Always. If you buy a call for $3.00, the worst case is losing $300 per contract. The stock can go to zero, the option can expire completely worthless , you still only lose $300.

Debit spreads: Maximum loss = Net debit paid. A bull call spread bought for $3.50 has a maximum loss of $350 per spread.

Credit spreads (bull put spread, bear call spread): Maximum loss = Spread width − credit received. A $5-wide bull put spread selling for $1.50 credit has a maximum loss of $350 per spread.

Iron condors: Maximum loss = Wider spread width − total credit received. An iron condor with $5 wide wings selling for $1.80 has a maximum loss of $320 per condor (assuming symmetrical wings).

Undefined risk trades , losses can be large

In undefined risk trades, the maximum loss is theoretically much larger and depends on how far the stock moves.

Short naked call: Theoretically unlimited loss. If you sell a call and the stock rises dramatically, you must buy shares at the market price to fulfill the delivery obligation. A stock rising from $100 to $200 on a short $110 call creates approximately $9,000 of loss per contract (before premium collected).

Short naked put: Maximum loss approaches the full strike price (if stock goes to zero). Selling a $50 put: worst case is approximately $5,000 loss per contract, minus the premium collected.

Short straddle / strangle: Large defined loss on one side. The short put risk approaches the strike value (stock to zero). The short call has theoretically unlimited risk. Combined, short straddles and strangles require significant capital and active management.

Position sizing , controlling loss at the portfolio level

Knowing the max loss per contract is only half the equation. The other half is how many contracts you trade.

General rules:

• Keep any single options trade to 2–5% of your total portfolio in risk capital
• For earnings plays (binary events), keep risk per trade to 1–2% of portfolio
• For undefined risk trades, risk capital should be even smaller relative to portfolio

Example: $50,000 portfolio. 2% risk limit per trade = $1,000 max loss per position. If your iron condor has a max loss of $320 per condor, you can trade a maximum of 3 condors ($960 max loss) to stay within your risk limit.

The hidden risks beyond max loss

Assignment risk: Short options that go ITM can result in assignment , buying or receiving stock at the strike price. This creates a different kind of exposure (stock position) with its own profit and loss.

Bid-ask slippage: In fast markets, closing a position may cost more than the theoretical midpoint. Your actual loss on an exit during a volatile move may exceed the theoretical max if you exit at unfavorable prices.

Margin calls: Undefined risk positions require margin. If the trade moves significantly against you, your broker may issue a margin call before the theoretical max loss is reached , forcing a close at a bad price.

Related terms: Defined risk, undefined risk, premium, credit spread, iron condor, position sizing, assignment

Try it on Stryke: Build and track your options positions in the Portfolio tracker to monitor real-time P&L and max loss across your book.

---