Crypto options glossary
What is a Bitcoin straddle?
A straddle is a call and a put at the same strike and expiry, usually at the money. Buying one bets on a big Bitcoin move in either direction; selling one bets on a quiet market. A long straddle profits beyond the strike ± the total premium; a short straddle profits inside that range.
- Long straddle: buy the at-the-money call and put. The loss is capped at the premium.
- Short straddle: sell both. The profit is capped at the premium; the loss is not.
- Breakevens: the strike ± the total premium.
- It costs about 0.8 of the expected move, one standard deviation.
Costs
34.06 USDT
3,406 per BTC · 4.06% of the price
Breakevens
80,594 / 87,406
Bitcoin must end outside these
73,844today 83,91493,984
10 lots (0.01 BTC), at expiry, before fees. Bought legs at the ask, sold legs at the bid, from Delta Exchange. The expected move to this expiry is ±5.23% (one standard deviation, from the 34.6% implied volatility); this straddle costs 0.78 of it.
Questions people ask
When do traders buy a Bitcoin straddle?
When they expect a big move but not its direction, and when implied volatility looks cheap. A straddle bought when IV is already high needs an even bigger move to pay.
Is a short straddle risky?
Yes. It collects the most premium of any neutral trade, but a big Bitcoin move either way creates losses without a cap. Sellers use stops, or buy wings, which turns it into an iron butterfly.
Straddle or strangle?
A strangle uses strikes away from the price: cheaper to buy, and a wider range to sell. A straddle uses one strike at the money: more premium, and more sensitive to every move.
How far does Bitcoin need to move for a straddle to profit?
At expiry, further than the total premium paid, in either direction. If the straddle cost 2,550 per Bitcoin on an 80,000 strike, Bitcoin must settle above 82,550 or below 77,450. Before expiry, a quick move or a rise in volatility can make it profitable sooner.
What is the maximum loss on a long straddle?
The premium paid for the two options, plus fees. It happens if Bitcoin settles exactly at the strike, where both options expire worthless.
Is a straddle delta neutral?
At the start, nearly: the call's delta of about 0.5 and the put's of about −0.5 cancel. As soon as Bitcoin moves, one side's delta grows and the position becomes directional, which is how it makes money.
A long straddle, worked in numbers
An example with round numbers. Bitcoin is at 80,000. The weekly 80,000 call is quoted at 1,300 and the 80,000 put at 1,250, so the straddle costs 2,550 per Bitcoin: 25.50 USDT for 10 lots, which is 0.01 BTC.
The breakevens are the strike plus and minus that cost: 77,450 and 82,550. If Bitcoin settles at 84,000, the call is worth 4,000 and the put nothing, so the straddle makes 4,000 − 2,550 = 1,450 per Bitcoin, or 14.50 USDT. At 76,000 the put is worth 4,000 and the result is the same. If Bitcoin settles exactly at 80,000, both expire worthless and the whole 25.50 USDT is lost.
The seller of that straddle has the mirror image: 25.50 USDT kept if Bitcoin goes nowhere, and a loss that keeps growing beyond either breakeven.
Long straddle and short straddle, side by side
The same two options, held from opposite sides.
| Long straddle | Short straddle | |
|---|---|---|
| You | Buy the call and the put | Sell the call and the put |
| Wants | A big move, either way | No move |
| Most you can lose | The premium paid | No cap |
| Most you can make | No cap | The premium received |
| Time passing | Costs you every day | Pays you every day |
| Volatility rising | Helps | Hurts |
How traders use straddles
A straddle is a trade on how much Bitcoin moves, not which way.
- Buying one ahead of a move the trader expects to be larger than the expected move the market is pricing.
- Buying when implied volatility is low against its own range, so the move does not have to be huge to pay.
- Selling one into a quiet expiry day for the fast time decay, with a stop, or with wings, which makes it an iron butterfly.
- Reading its price. An at-the-money straddle costs about 0.8 of the expected move, so its price is a quick gauge of how much movement is priced in.
A trade on movement, not direction
A straddle starts with almost no delta, so what drives it is how far Bitcoin moves and what happens to volatility. Buyers are long gamma and vega; sellers are short both and earn theta. It is the plainest way to trade how much Bitcoin moves rather than which way.
Straddles around crypto events
Traders often buy straddles before big scheduled news and sell them after. But implied volatility usually rises before an event and drops after it, so the straddle's price may already include the move.
Common mistakes with straddles
Both sides have a classic one.
- Buying a straddle just before a known event, when volatility is already high. The move has to beat a bigger premium, and volatility usually falls afterwards.
- Holding a bought straddle through quiet days. It pays two lots of time decay, one for each option.
- Selling a straddle without a stop or wings. The premium looks large because the risk is.
- Forgetting fees on two legs, in and out, on a short-dated trade.
Written by the Algoclear team · Updated 22 September 2026 · Examples use Bitcoin options on Delta Exchange India.
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