What is a strike price in a crypto options contract?

A crypto options contract gives the holder the right to buy or sell cryptocurrency at a fixed strike price before expiration, with value determined by the relationship between the strike and market price.

Aug 12, 2025 at 01:14 am

Understanding the Basics of Crypto Options Contracts

A crypto options contract is a financial derivative that gives the holder the right, but not the obligation, to buy or sell a specified amount of a cryptocurrency at a predetermined price within a set timeframe. These contracts are traded on various crypto derivatives exchanges such as Deribit, Bybit, and OKX. The two primary types of options are call options and put options. A call option allows the buyer to purchase the underlying asset, while a put option allows the sale of the asset. The strike price is one of the most critical components of these contracts.

The strike price is the price at which the holder of the option can execute the contract—either buying (in the case of a call) or selling (in the case of a put) the underlying cryptocurrency. For example, if a trader holds a call option for Bitcoin with a strike price of $60,000, they have the right to purchase Bitcoin at $60,000 per coin, regardless of the current market price at the time of exercise. This becomes especially valuable if Bitcoin is trading above $60,000 when the option is exercised.

How the Strike Price Influences Option Value

The relationship between the strike price and the current market price of the underlying cryptocurrency determines the intrinsic value of an option. An option is said to be in the money (ITM) when exercising it would result in an immediate profit. For a call option, this means the market price is above the strike price. For a put option, it means the market price is below the strike price.

• If the Bitcoin market price is $65,000 and the call option strike price is $60,000, the option is in the money by $5,000.
• If the Bitcoin market price is $58,000 and the put option strike price is $60,000, the put is in the money by $2,000.

Conversely, an option is out of the money (OTM) when the strike price is unfavorable compared to the market price. An OTM call has a strike price above the current market price, while an OTM put has a strike price below the market price. Options that are at the money (ATM) have a strike price nearly equal to the current market price. These distinctions are crucial for traders assessing the potential profitability of their positions.

Selecting the Right Strike Price: Strategic Considerations

Choosing an appropriate strike price depends on a trader’s market outlook, risk tolerance, and investment goals. Traders bullish on a cryptocurrency may purchase call options with lower strike prices to increase the likelihood of the option becoming in the money. However, lower strike prices typically come with higher premiums due to their increased intrinsic value.

Traders expecting moderate price increases might opt for out-of-the-money call options with higher strike prices. These are cheaper but require a more significant upward move to become profitable. Similarly, bearish traders might select put options with strike prices below the current market level to profit from anticipated declines.

Volatility also plays a role in strike price selection. In highly volatile markets like crypto, traders may prefer wider spreads between strike prices to account for rapid price swings. Some traders use straddle or strangle strategies, purchasing both call and put options at different strike prices to profit from large price movements in either direction.

How to Trade Options with Specific Strike Prices on Deribit

To execute a trade based on a chosen strike price, follow these steps on a platform like Deribit:

• Log in to your Deribit account and navigate to the "Options" tab.
• Select the cryptocurrency (e.g., BTC or ETH) and the expiration date you are interested in.
• Browse the available call and put options, each listed with its respective strike price.
• Click on the desired strike price to view the current bid/ask prices and open interest.
• Decide whether to buy to open (take a long position) or sell to open (take a short position).
• Enter the quantity of contracts and choose the order type (limit or market).
• Confirm the transaction and monitor your position in the "Positions" section.

Each contract typically represents a fixed amount of the underlying asset—for example, 0.1 BTC per contract on Deribit. The premium paid or received is calculated as the quoted price multiplied by the contract size. Always verify the settlement method (cash-settled or physically delivered) and the expiration time (usually 08:00 UTC on the expiry date).

Impact of Strike Price on Option Greeks

The strike price directly affects the sensitivity metrics known as the Option Greeks, which help traders manage risk. Delta measures how much an option’s price changes relative to a $1 move in the underlying asset. ITM options have deltas closer to 1 (calls) or -1 (puts), while OTM options have deltas near 0.

Gamma, which reflects the rate of change of delta, is highest for at-the-money options. This means small price movements around the strike price can lead to large changes in delta, increasing risk or reward. Theta, representing time decay, affects OTM options more severely as they rely on favorable price moves before expiration.

Vega, which measures sensitivity to volatility, is also influenced by the strike price. ATM options generally have the highest vega, meaning they benefit most from increases in implied volatility. Traders analyzing these Greeks must consider the relationship between the strike price and the spot price to fine-tune their hedging and speculative strategies.

Common Misconceptions About Strike Prices

A frequent misunderstanding is that the strike price is the same as the market price at expiration. In reality, the strike price is fixed at the time of contract creation and does not change. Another misconception is that options with lower strike prices are always better for calls. While they may be ITM, they also carry higher premiums and may not be cost-effective for all strategies.

Some traders assume that reaching the strike price guarantees profit. However, profitability depends on the premium paid. For example, a call option with a $60,000 strike price might cost $3,000 in premium. The underlying asset must exceed $63,000 for the trade to be profitable, not just $60,000. Understanding this break-even point is essential.

Frequently Asked Questions

Can the strike price of an options contract be changed after purchase?

No, the strike price is fixed when the contract is created and cannot be altered. Once an option is purchased or sold, the strike price remains constant until expiration.

What happens if the crypto price exactly matches the strike price at expiration?

If the underlying cryptocurrency’s price equals the strike price at expiry, the option is at the money and typically expires worthless. The holder gains nothing, and the seller keeps the premium.

Are strike prices standardized or customizable?

On major exchanges, strike prices are standardized and set at regular intervals (e.g., $5,000 increments for BTC). Custom strike prices are generally not available to retail traders.

How do strike prices differ between American and European-style crypto options?

Most crypto options are European-style, meaning they can only be exercised at expiration. The strike price functions the same way, but early exercise is not permitted, unlike in American-style options.