Derivatives

Options strategies explained

Buying a single call or put is the simplest option trade. But combine options together and you can express a precise view — on direction, on volatility, or on income — with a defined, known risk. Here are the strategies every derivatives desk uses.

Also known as: options strategies: covered calls, spreads, straddles and collars.

Once you understand a basic call and put, the real power of options comes from combining them. Each of the strategies below is just two or three simple options stacked together to shape a specific payoff — for income, for protection, or for a bet on how much (not which way) a price will move.

The covered call: income from stock you own

A covered call means holding a stock and selling a call option against it. You collect the premium from selling the call as income. The trade-off: if the stock rises above the strike, it gets "called away" — you're forced to sell at the strike and miss the gains above it. It's ideal when you own a stock, expect it to trade flat or drift mildly higher, and want to earn income in the meantime — accepting a cap on your upside in return.

The protective put: insurance for your portfolio

A protective put is the mirror image — you own a stock and buy a put to floor your downside. If the stock crashes, the put pays out and limits your loss; if it rises, you keep the upside, minus the premium you paid. It works exactly like insurance: the put premium is the cost of the cover. A higher strike gives more protection but costs more; a lower strike is cheaper but leaves you exposed to a bigger initial drop.

The bull call spread: a cheaper directional bet

A bull call spread combines buying a call at a lower strike and selling a call at a higher strike, same expiry. Selling the higher call helps pay for the one you bought, so the trade is cheaper — but your profit is capped at the higher strike. It's the standard way to take a moderately bullish view with a defined, limited risk: you know your maximum gain and maximum loss before you place it.

Straddles and strangles: betting on a big move

Sometimes you don't know which way a price will move, only that it will move a lot — around earnings, a central bank decision, or a big announcement. A straddle buys both a call and a put at the same strike, so it profits from a large move in either direction. You're buying volatility. The catch: the price has to move enough to cover both premiums, or the position loses. A strangle is a cheaper version using out-of-the-money strikes, but it needs an even bigger move to pay off.

Key takeaways

  • A covered call earns income from stock you own, capping the upside.
  • A protective put is portfolio insurance — it floors your downside.
  • A bull call spread is a cheaper, risk-defined bullish bet.
  • A straddle profits from a big move in either direction — a bet on volatility.

Common questions

What is a covered call in simple terms?
You own a stock and sell a call option against it, pocketing the premium as income. If the stock stays flat or rises modestly you keep the premium; if it jumps above the strike, you have to sell at that strike and miss the gains above it. It's an income strategy that caps your upside.
What is the difference between a straddle and a strangle?
Both bet on a big move in either direction. A straddle buys a call and a put at the same strike; a strangle uses different, out-of-the-money strikes, making it cheaper but requiring a larger move to profit. Both are ways to buy volatility around events like earnings.
What is a protective put used for?
It's portfolio insurance. You hold a stock and buy a put, which floors your downside at the strike price. If the stock crashes, the put pays out and limits your loss; if it rises, you keep the upside minus the premium. The put premium is simply the cost of the cover.
Why use a bull call spread instead of just buying a call?
A spread is cheaper. By selling a higher-strike call against the one you buy, you offset some of the cost — in exchange for capping your profit at the higher strike. It's the standard way to take a moderately bullish view with clearly defined risk and reward.

Test yourself on markets and macro

Three questions from the Basis curriculum, with the explanation after each one. No account needed.

Don’t just read it — answer it

Basis teaches the concept first and then tests it: 11 tracks, 98 lessons and 449 questions, free in your browser. No download, no payment.

Start learning free

On your phone? Get the iOS app for streaks, reminders and the daily market game.