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Credit Spreads for Beginners: A Defined-Risk Options Guide

A credit spread lets you collect option premium with your maximum loss capped and known before you enter. Here's how put and call credit spreads work, in plain English, with a worked example.

By Suresh Ganapathy ยท September 5, 2026

Selling options to collect premium is appealing until you meet the risk. Sell a naked put and, in exchange for a small credit, you've taken on the obligation to buy the stock at the strike โ€” a loss that can run far larger than the premium you collected. A credit spread fixes exactly that: it lets you collect premium while capping your maximum loss at a number you know before you enter. For a small account, that defined risk is the whole point.

Here's how they work, without the jargon.

A profit-and-loss diagram of a put credit spread showing a capped maximum profit above the short strike and a flat, capped maximum loss below the long strike

A credit spread caps both ends: your maximum profit is the premium collected, and your maximum loss is fixed by the distance between the two strikes. Both are known before you enter.

The one idea behind a credit spread

A credit spread is two options at once: you sell one option to collect premium, and you buy another further out-of-the-money to cap your risk. The option you buy costs less than the one you sell, so you keep the difference โ€” that net credit is your maximum profit. The gap between the two strikes defines your maximum loss.

That's the trade in one sentence: sell premium, buy a cheaper option as insurance, and your worst case is capped by the distance between them.

Put credit spread vs call credit spread

There are two flavours, and they're mirror images:

  • Put credit spread (bull put spread). You sell a put and buy a lower-strike put. You collect a credit and you profit if the stock stays above your short strike. It's a mildly bullish-to-neutral position โ€” you win if the stock goes up, sideways, or even down a little, as long as it stays above the strike you sold.
  • Call credit spread (bear call spread). You sell a call and buy a higher-strike call. You profit if the stock stays below your short strike. It's a mildly bearish-to-neutral position.

Both collect premium up front. Both have a capped, known maximum loss. The only difference is the direction you're leaning.

A worked example

Say a stock trades at $100 and you sell a put credit spread:

  • Sell the $95 put, collect $2.00
  • Buy the $90 put, pay $0.80
  • Net credit: $1.20 ($120 per one-lot contract)

Now the numbers are fixed before you place the trade:

  • Maximum profit: the $120 credit โ€” kept in full if the stock is above $95 at expiration.
  • Maximum loss: the strike width ($5.00) minus the credit ($1.20) = $3.80, or $380 per contract โ€” the most you can lose, no matter how far the stock falls.
  • Breakeven: the short strike minus the credit = $93.80.
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Whatever happens โ€” a gap down, a bad earnings print, a market crash โ€” your loss on this position cannot exceed $380. That certainty is what makes it a defined-risk strategy, and why it suits a small account far better than selling the put naked.

Credit spread vs cash-secured put

Both are ways to collect premium, and beginners often weigh them against each other:

Put credit spreadCash-secured put
Max lossCapped by strike width (small, known)Large โ€” down to the stock going to zero
Capital tied upJust the spread's max lossEnough cash to buy 100 shares
Best forSmall accounts, defined riskAccounts happy to own the stock
If assignedNo stock โ€” loss is the capped amountYou buy 100 shares at the strike

The cash-secured put isn't worse โ€” if you genuinely want to own the stock and have the capital, it's a fine tool. But for a small account that wants to define risk tightly and use less capital, the credit spread is usually the more sensible first step. Our guide to the best options strategies for small accounts covers where each one fits.

Honest cautions

Defined risk is not no risk. A few things beginners underestimate:

  • The math is asymmetric. You risk more than you can make on any single spread (here, $380 to make $120). The approach only works if you keep your losers from ballooning and don't oversize โ€” the same risk-first discipline every VASA course starts with.
  • Assignment and early exercise can happen, especially near expiration or a dividend. Understand your broker's process before you trade one.
  • Position size is everything. A defined-risk trade you've oversized can still hurt an account. Size each spread so the capped loss is a small, survivable fraction of your capital. You can model the numbers with the credit spread calculator.

Key takeaways

  • A credit spread sells one option and buys a cheaper further-out one, so you collect premium with a maximum loss that's capped and known before you enter.
  • Put credit spread = bullish-to-neutral; call credit spread = bearish-to-neutral.
  • Max profit is the net credit; max loss is the strike width minus the credit.
  • Versus a cash-secured put, it caps your downside and uses far less capital โ€” better suited to small accounts.
  • Defined risk still isn't no risk: the payoff is asymmetric, so sizing and loss discipline decide whether it works.

Frequently asked questions

How does a credit spread work? You sell one option to collect premium and buy a cheaper, further out-of-the-money option as protection. You keep the net credit as maximum profit, and your maximum loss is capped by the distance between the two strikes.

What is the maximum loss on a credit spread? The width between the two strikes minus the net credit you received, times 100 per contract. It's fixed and known before you enter โ€” that's the defining feature.

Is a credit spread better than a cash-secured put? For a small account that wants tightly defined risk and lower capital use, usually yes. A cash-secured put makes sense if you have the capital and genuinely want to own the shares.

Are credit spreads good for beginners? They're a common first defined-risk options strategy because the worst case is capped and known. But the payoff is asymmetric, so they only work with disciplined position sizing โ€” they are educational tools, not a guarantee of income.

Want the full, structured approach? The Options course teaches defined-risk, income-first strategies with your maximum loss defined before every trade. Educational only โ€” not financial advice.

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Educational content only โ€” not financial advice. Trading involves substantial risk of loss and is not suitable for everyone.

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