The strike price in a binary option is the asset's market price at the exact moment you confirm your trade. It is the reference level against which the settlement price at expiry is compared to determine whether the trade is a win or a loss. Unlike vanilla options -- where you choose from a range of available strike prices as part of your trading strategy -- binary options set the strike automatically at the current market price. This single fact has significant practical implications for how you enter trades, how price feed timing affects your strike, and what exactly needs to happen for your trade to profit.
TL;DR -- Key Takeaways
- The strike price is automatically set to the current market price at the moment you confirm a binary options trade -- you do not choose it.
- Settlement at expiry compares the closing price to this locked strike: above strike wins a Call; below strike wins a Put.
- The margin by which price exceeds the strike has no effect on the payout -- one tick above or fifty ticks above pays identically.
- Strike price timing matters: in fast-moving markets, the strike can shift between when you start configuring a trade and when you click Confirm.
- In some digital options implementations, you can choose a strike above or below the current price -- this is a structural variation, not the standard binary option model.
1. How the Strike Price Is Set in Binary Options
In standard binary options (high/low contracts), the platform locks the strike price at the moment you click the Confirm button to execute the trade. This price is pulled from the platform's live price feed for the selected asset.
The sequence:
- You select an asset, direction, expiry, and stake
- The platform displays the current market price and the payout percentage
- You click Confirm
- At the instant of confirmation, the platform records the current asset price as the strike
- The contract countdown begins from that strike price
The strike price is displayed in your open trades or trade history immediately after confirmation. If you need to verify what strike was assigned (for example, if you think the price moved between your decision and the execution), check the trade confirmation in your account history.
2. Why the Strike Price Determines the Outcome
The strike price is not just a reference number -- it is the contractual threshold that the settlement price must exceed (for a Call) or fall below (for a Put) at expiry for the trade to pay out.
Call trade: settles in the money when settlement price at expiry > strike price Put trade: settles in the money when settlement price at expiry < strike price At strike exactly: most platforms treat this as a loss (check your platform's specific tie-rule)
The critical feature: the margin by which price has moved past the strike at expiry is irrelevant to the payout. Whether EUR/USD closes at 1.0851 or 1.1050 on a Call with a 1.0850 strike, the payout is identical. This is the defining characteristic that separates binary options from CFDs and vanilla options, where profit scales with price movement.
3. Strike Price Timing in Fast Markets
The strike price is set at confirmation, not at the moment you begin analyzing the trade. In fast-moving market conditions (during economic data releases, for example), the price can shift significantly between when you decide to place a trade and when you actually click Confirm.
Example of timing risk:
- EUR/USD is at 1.0850 when you decide to place a Call
- You take 20 seconds to enter the stake amount and select the expiry
- In those 20 seconds, a data release causes EUR/USD to jump to 1.0880
- When you click Confirm, the strike is locked at 1.0880, not 1.0850
- The trade now requires EUR/USD to be above 1.0880 at expiry, not 1.0850
For a 15-minute expiry, this 30-pip difference in the strike price is meaningful. The trade you intended to place and the trade you actually placed are different.
Managing Strike Timing Risk
- Avoid placing trades immediately before or during high-impact economic data releases
- In fast markets, verify the strike price displayed at the confirmation step before clicking -- most platforms show the current price in real time before you finalize
- On platforms that offer a brief "lock" on the displayed strike (a few seconds for you to confirm), use that lock confirmation intentionally
- When using 60-second or 5-minute expiries, timing errors from price movement during the 10-20 second configuration window are proportionally larger relative to the total contract duration
4. How Price Feeds Affect the Strike
The strike price is pulled from the broker's internal price feed, which is typically sourced from one or more liquidity providers. This feed may differ slightly from prices displayed on independent financial sites for the same asset.
These small differences (usually fractions of a pip) are normal and are a function of the broker's pricing methodology and the minor lag between different data sources. They should not be material to your trade analysis.
What can be material: some platforms apply a small spread to the strike price -- meaning the effective strike for a Call trade is slightly above the displayed mid-market price, or the effective strike for a Put is slightly below it. This built-in spread is similar to the bid-ask spread in forex trading. If your platform applies a spread to binary options strikes, you effectively need price to move slightly in your favor just to break even on the strike, before any directional move counts.
Check your platform's FAQ or terms to determine whether a spread is applied to binary options strikes. This is more common on platforms that also offer forex or CFD products alongside binary options.
5. Strike Price in Different Binary Options Contract Types
The standard high/low binary option always sets the strike at the current market price. Some other contract types handle the strike differently:
One-Touch options: You specify a target price (the "touch level") above or below the current price. The contract pays out if price touches this target at any point before expiry. The touch level is effectively a specified strike you set rather than the platform setting automatically.
No-Touch options: The inverse -- you specify a level the asset must not touch. The strike-equivalent is the boundary you select.
Range (Boundary) options: You specify upper and lower boundary prices. The contract pays out if price stays within (Range-In) or exits (Range-Out) those boundaries. The two boundaries are effectively dual strikes you select.
Digital options (variable strike): As covered in the binary options vs digital options guide, some platforms allow strike selection at a price different from current market price. This is the most significant structural variation from standard binary options.
In all cases, understanding what the "strike" means for the specific contract type you are trading is the prerequisite for knowing what market movement is required to win the trade.
6. Practical Implications for Trade Execution
The strike price mechanics have several direct implications for how you approach trade execution:
Execute at key levels, not between them. If you are placing a Call because price has bounced from a support level at 1.0850, place the trade when price is at or near that level. If price has already moved well above 1.0850 by the time you execute, the strike is set above the level you analyzed, and the analytical rationale may no longer apply.
Check the strike before confirming. Most platforms display the exact strike price in the trade confirmation panel before you click Confirm. Verify it matches what you intended before finalizing.
Understand that a winning analysis can produce a losing trade if the timing is poor. Identifying the correct direction of a move but placing the trade after the move has already happened -- so the strike is set at the top of the move -- means the contract requires even more upward movement to settle in the money. Execution timing quality is part of trade quality.
Record the strike price in your trade log. When reviewing a loss, knowing the exact strike price and the settlement price tells you how close the trade was to winning -- and whether the analytical direction was correct even when the outcome was a loss. Directionally-correct losses (price moved in the right direction but not enough) indicate timing or expiry selection issues, not analytical failure.
Frequently Asked Questions
Can I choose a different strike price in binary options?
In standard high/low binary options, no -- the strike is automatically set at the current market price when you confirm. In some digital options implementations and in one-touch/boundary contract types, yes -- you specify a target price or boundary level. The type of contract determines whether strike selection is available.
What happens if I place a binary option and the market is moving very fast?
In fast-moving markets, the strike price at confirmation may be materially different from the price when you started analyzing the trade. The platform assigns the strike at the confirmation instant, not at the analysis instant. To minimize this risk: avoid trading immediately around high-impact economic releases, verify the displayed price in the confirmation panel before clicking Confirm, and be aware that fast markets can move the strike against your analysis even in the seconds between decision and execution.
Is the strike price the same as the "entry price" I see in my account history?
Yes. The terms "strike price" and "entry price" refer to the same thing in the context of a binary option: the asset's price at the moment the trade was confirmed. Your trade history will show this value for every completed contract.
What is the difference between the strike price and the settlement price?
The strike price is fixed at trade entry. The settlement price is the asset's price at the exact expiry moment. The outcome of the trade is determined by comparing the settlement price to the strike price. A Call wins when settlement > strike; a Put wins when settlement < strike.
Can the platform change my strike price after I confirm?
On legitimate, regulated platforms, no. The strike is locked at confirmation and cannot be altered. If you believe your platform has changed a strike price post-confirmation, take a screenshot of the discrepancy and raise a formal dispute through the platform's complaint procedure. Manipulating strike prices post-confirmation is a fraudulent practice associated with unregulated platforms.
Does the strike price affect how much I win?
No, the strike price itself does not affect the payout amount. Your payout is determined by the payout percentage the platform offers for that contract (e.g., 82%), applied to your stake. The strike price determines whether the trade settles in or out of the money -- but once a win is confirmed, the payout percentage and stake determine the exact amount you receive.
7. Strike Price and the First Binary Options Trade
For a trader placing their first binary option, the strike price concept is often initially confusing because there is nothing to "do" with it -- it is set automatically. The practical application is recognizing the implications of this automation:
Your directional analysis should be based on where price is now relative to key support, resistance, and trend levels -- because that is where the strike will be set when you confirm. If your analysis suggests a Call from the 1.0850 support level but price has already moved to 1.0880 by the time you execute, the trade is now a Call from 1.0880 -- a materially different entry than you analyzed. At that point, the appropriate decision is either to wait for price to pull back toward 1.0850 before entering, or to reassess whether the analytical rationale still applies at 1.0880.
This discipline -- only executing when the current market price aligns with the analyzed entry level -- is one of the simplest and most effective quality filters for trade selection. It prevents a common beginner pattern of "chasing" trades after the setup has already occurred, which consistently produces worse average strike prices and lower win rates.
Explore Further
- In the Money vs Out of the Money Binary Options -- settlement states explained
- How Do Binary Options Work? -- complete contract mechanics
- Call and Put Options Explained -- direction mechanics using the strike
- Back to Trading Basics Hub -- full Basics silo index
- Compare Top Brokers -- platforms with transparent pricing and auditable strike records