A binary options contract turns a defined event into a cash outcome: the condition is met and the contract pays its stated amount, or it is not met and the contract pays nothing. The question might be whether GBP/USD finishes above a stated exchange rate at a stated time. Getting the general market direction right is not enough; the contract’s exact condition must be satisfied.
UK retail context: firms acting in or from the UK have been prohibited from selling, marketing or distributing binary options to retail consumers since 2 April 2019 under the FCA’s permanent binary options ban. The examples below explain the mechanics, not how to find a platform or bypass that restriction.
What a Binary Options Contract Actually Buys
The buyer purchases a conditional cash payment, not the underlying asset. A binary option linked to gold does not give ownership of gold. One linked to a company’s share price does not provide shares or shareholder rights.
For a straightforward cash-or-nothing contract held to expiry, settlement follows the agreed condition automatically. The holder does not decide whether to buy or sell the underlying asset, unlike the exercise rights attached to conventional options. These distinctions form part of the SEC’s explanation of binary options contracts.
Consider a hypothetical condition: “GBP/USD will be strictly above 1.2700 at 14:00 UTC.” This contains both a price threshold and a deadline. It does not ask whether sterling has risen during the day, whether it briefly crossed 1.2700, or whether it rises after 14:00. Those are different questions.
The contract can therefore lose even when the buyer’s broader market forecast proves correct. Timing and wording are part of the position, not administrative details.
The Terms That Determine the Result
A useful way to read a binary contract is to separate its market reference, settlement condition and cash flows. A button marked “Higher” leaves most of that work unfinished.
| Term | What it determines |
|---|---|
| Underlying reference | The asset, currency pair, index or other measure used to assess the condition. |
| Strike or threshold | The level against which the settlement value is compared. |
| Selected outcome | The condition purchased, such as finishing above the threshold. |
| Expiry and observation time | When the condition is assessed, including the applicable time zone. |
| Stake or purchase price | The amount paid to acquire the position. |
| Settlement payment | The amount payable if the condition is satisfied. |
| Reference data and calculation | Which price source and calculation determine the official outcome. |
| Equality and disruption rules | What happens at exactly the threshold, or if the required data is unavailable. |
Keep the underlying quote separate from the price of the option. GBP/USD at 1.2700 is an exchange rate, not the cost of the binary contract. The distinction between base and quote currencies is covered in how to read forex quotes and currency pairs.
Likewise, the strike need not equal the market level displayed when the order is placed. Read the accepted contract record rather than assuming that the chart, order ticket and final confirmation contain identical values.
A Worked Example from Purchase to Expiry
Suppose a hypothetical contract costs £100 and pays £180 in total if GBP/USD is strictly above 1.2700 at 14:00 UTC. Otherwise it pays £0. Assume there are no fees, rebates or early closures, and that equality counts as a losing result.
The cash flows are:
- At purchase: £100 leaves the available account balance.
- If the settlement rate is 1.2701: the contract pays £180, giving an £80 net profit.
- If the settlement rate is 1.2699: the contract pays nothing, giving a £100 net loss.
- If the settlement rate is exactly 1.2700: the contract pays nothing under these assumed terms.
A settlement rate of 1.2800 still produces an £80 profit, not a larger one. The distance beyond the threshold does not increase this contract’s payment. Conversely, missing the threshold by a tiny amount still loses the entire £100 purchase price.
This fixed payoff is the defining feature of the example. A winning result pays a stated sum or return, while a losing result generally loses the investment, as set out in the CFTC’s binary options advisory.
Now suppose GBP/USD reaches 1.2750 at 13:58 but falls to 1.2699 at the observation time. This particular contract loses. The earlier move above the threshold does not satisfy a condition that applies only at expiry.
Payout Is Not the Same as Profit
The word “payout” can hide an important distinction. In the example above, £180 is the gross payment and £80 is the profit. Calling both figures a return without defining them makes the contract harder to assess.
An advertised “80% payout” might be intended to mean an 80% profit on a successful stake, with the original stake also returned. Do not assume that interpretation. Translate the wording into cash: how much is paid upfront, how much comes back after each outcome, and what charges apply?
Net result = settlement payment − purchase cost − applicable fees.
Another hypothetical presentation is a contract bought for £42 that pays either £100 or £0. The buyer makes £58 if the condition is met and loses £42 if it is not, before fees. The £100 payment is not £100 of profit.
Nor does an 80% profit rate mean an 80% chance of winning. Payment terms and outcome probabilities answer different questions. In the £100 stake example, one £80 win followed by one £100 loss leaves a £20 loss. The mathematics of repeated trades belongs in binary options payouts, probabilities and expected returns.
Why the Settlement Price Matters More Than the Chart
A chart is a visual display. Settlement is a contractual calculation. Before interpreting any result, identify exactly which value the terms use: a named reference price, an official opening or closing level, or another defined calculation.
For example, US exchange rules documented in the SEC order on Cboe binary options rules distinguish between settlement using reported opening and closing index levels. They also specify whether equality satisfies a call or put condition. There is no sound basis for treating every binary contract as though it uses the same final chart tick.
In the hypothetical GBP/USD contract, suppose a display rounds a value of 1.27004 to 1.2700. If the contract compares the unrounded value with the threshold, the result could differ from an interpretation based on the rounded display. That is an illustration of why decimal precision belongs in the rules, not a claim about any platform’s practices.
Expiry, Observation and Payment Are Different Questions
When reviewing terms, separate the deadline for entering or closing a position, the time used to determine the outcome, and the time the cash payment becomes due. Do not assume one timestamp answers all three.
A displayed “14:00” is incomplete without a time zone. The rules should also address missing data, market interruptions and any right to cancel or amend a result. If those provisions are absent, a countdown timer does not fill the gap.
Above/Below, Touch and Range Conditions
Not every binary option tests the price at one final instant. Contract labels can describe different events, and the wording matters more than the name. ESMA’s analysis of binary option trigger events distinguishes standard directional contracts from touch, range and other structures.
Above/below: the result depends on whether the reference value finishes on the required side of a threshold.
Touch: the condition can depend on the reference price reaching or crossing a level during the observation period, rather than remaining there at expiry.
Range: the condition can require the final reference value to fall between two boundaries. Whether the boundaries themselves count must be stated.
Apply those ideas to the earlier example. A temporary move above 1.2700 followed by a lower closing value could satisfy an appropriately worded touch condition but fail an above-at-expiry condition. The same price path can produce opposite results because the contracts ask different questions.
Can a Binary Option Be Closed Before Expiry?
Early closure is a contractual feature, not something the word “option” guarantees. ESMA’s analysis also recognises arrangements where a provider offers to buy back a position before expiry. Where that facility exists, the quoted exit value can differ from both the original cost and the successful settlement payment.
Suppose the £100 position from the first example can be sold back for £63. Accepting that quote produces a £37 loss before fees. The holder has not received a partial winning payout; they have sold the position for less than they paid.
If no early exit is available, a change of mind does not cancel the contract. Even where an exit facility is described, review its availability, pricing and cut-off conditions. A displayed position value should not automatically be treated as an executable offer.
Buying an opposite position is also not the same as undoing the first purchase. In a hypothetical pair of positions that each cost £100 and pay £180, with exactly one guaranteed to win, total spending would be £200 and total receipts £180. The result would be a £20 loss before fees. That calculation assumes genuinely complementary conditions with no gaps or different expiry times.
Contract Risk and Platform Risk Are Separate
The examples so far assume that the stated rules are followed and that every amount owed is paid. Those assumptions are necessary for the arithmetic, but they are not proof that an online platform will honour a contract.
A losing outcome under correctly applied terms is different from a falsified price, an altered result or money withheld after settlement. The FCA’s warning about binary options scams identifies fake prices and payouts, account closures and refusals to return money among the risks.
Think of three separate stages: the condition is satisfied, the account is credited, and the money is actually received. A number displayed in an account is not evidence that the final stage will happen.
Similarly, a £100 contractual maximum loss on one fully paid purchase does not establish that the rest of a deposit is safe. It describes that position’s assumed cash flows, not the security of funds held by the operator. Repeating the purchase also creates fresh exposure each time.
Questions about the contracting company, governing jurisdiction and access to redress require a separate assessment. Those issues are covered in offshore binary options platforms and consumer protection.
Read the Contract as a Complete Cash-Flow Statement
A binary contract should be explainable without its marketing language. Write down the condition, the observation period, the authoritative reference value, the equality rule, the purchase cost and the payment after each outcome. Then account for fees and any early exit provisions.
If you cannot calculate the result when the reference value finishes just above, exactly at and just below the threshold, the terms are not yet clear enough. If the contract uses a touch or range condition, test those boundaries too.
The practical distinction is simple: the payout is fixed only after the relevant terms have been defined. The probability of receiving it, the treatment of unusual events and the reliability of the counterparty remain separate questions. For the wider regulatory context, see the guide to binary options in the UK.