Binary Option: The Payout Sets the Odds
A binary option pays a fixed amount if a stated condition is true at expiry and nothing if it is not, with no partial outcome. Because a loss costs the whole stake and a win returns only a fraction of it, the payout ratio sets the win rate needed to break even.
How it works
A binary option pays a fixed amount if a stated condition is true at expiry — usually whether a price is above or below a level. If it is not, it pays nothing and the stake is gone.
There is no partial outcome, which is the structural difference from conventional options. A conventional option’s value moves with the underlying, so being more right pays more. Here one tick past the level pays what a hundred does.
Because a loss costs the whole stake and a win returns only a fraction, the payout ratio sets the win rate you need. At 80% on a win, break-even sits above five wins in nine.
And the ratio is set by the other side of your trade. The platform decides the payout and profits when you lose, and unlike a regulated market maker it quotes into no venue.
Which makes the expected value negative by design, before skill enters. The payout is chosen so the break-even rate sits above what the underlying honestly offers.
Who you are trading against
Sale of these contracts to retail clients is restricted or banned in several major jurisdictions. That is the regulatory position stated as information, and it is worth knowing first.
And many platforms still offering them operate outside those regimes. The protections behind choosing a broker — segregated money, a complaints process, recourse over a withdrawal — may then not exist. Marketing often arrives via an introducing broker paid on deposits.
There is no spread because the edge is already in the payout. A bid-ask spread can be read off the screen; this charge is folded into the ratio.
The price feed may not be an exchange feed at all. With no venue behind it there is no published volume to check against, and settlement rests on the counterparty’s number.
In practice
The expiries are minutes, and that is the tell. At a one-minute horizon the outcome is dominated by noise, which is where a fixed house margin collects most reliably.
And a gap settles the whole thing instantly. An opening gap through the level does not hand you a worse outcome than planned — it hands you the only outcome there is.
There is no stop loss and no early exit worth taking. That makes risk per trade unusually simple: the stake is the loss.
On an ordinary exchange trade the cost is visible: a spread on the screen and a stated commission. A payout ratio offers no equivalent figure.
Checking any all-or-nothing offer
The test works on any all-or-nothing proposition, whatever it is called. Write down three things first: what a win pays, what a loss costs, and the horizon you are being asked to predict.
Then solve for the win rate at which those two cancel. If a win pays 80% of the stake and a loss costs all of it, nine trades break even at five wins, so five in nine or below loses over time.
Then ask the harder question honestly. Can you beat that rate, at that horizon, repeatedly? Not once, and not across a run you happen to remember, but over enough trades for the average to assert itself.
If the horizon is sixty seconds the answer is almost certainly no, and that is not a judgment about your ability. It is a statement about what a sixty-second move contains.
What a binary option is not
It is not a conventional option. Value does not vary with the underlying, so being more right pays nothing extra.
It is not a contract with a published price. No exchange, no order book, no second quote.
It is not a beginner’s format. The very short horizon makes it the hardest one.
It is not a question of discipline. The break-even rate is fixed before the first trade.
How this connects
A vertical spread is the listed way to build a similar shape. Buying one call option and selling another at a higher strike caps both the gain and the loss, but its value moves continuously and the price is set on an exchange.
Time decay behaves differently here. Theta erodes a conventional option gradually; a binary sitting near its level late in its life swings between everything and nothing, which is why the final minutes are so unstable.
Implied volatility is the input the payout hides. On a listed contract the volatility being charged can be read off the quote; inside a fixed payout it is invisible.
Short expiries invite overtrading. A fresh result every few minutes produces a trade count that ordinary day trading rarely reaches, and each one pays the house margin.
Many offers are built around forex, where a single pip past the level decides the outcome and the settlement price is the platform’s own.
Before depositing anywhere, check a broker against the regulator’s register, because unlicensed binary platforms are one of the most common trading scam formats.
And demo trading on these platforms proves little, since a practice account never tests the withdrawal, which is where the disputes arise.
When it fails
In a range the short expiry is a coin flip. A trading range removes the one thing directional analysis has to work with, and the payout does not widen to compensate.
Being right about direction and wrong about timing is a loss. Expiry is a deadline, not a target, so a move that arrives one bar late settles against you as a wrong call does.
A winning run will arrive, and it will feel like a method. A fair coin tossed a few hundred times almost always produces a streak of six or more; trading psychology covers why an ordinary streak reads as skill.
Raising the stake after a loss changes the speed, not the arithmetic. The break-even win rate is untouched by stake size, so a recovery sequence only shortens the time to the outcome.
And the counterparty risk sits outside every line above. You can read the market correctly and still end up arguing about a withdrawal, which is the why traders lose money page arriving from an unusual direction.
The original data
The question: Eighty percent payout on a sixty second bet. Edge?
On the S&P 500 from January 1950 to September 2026, 53.1% of trading days closed higher than the day before. That is roughly what a one-day direction guess on a broad index is worth, and at a sixty-second expiry the noise is larger still relative to any drift.
At a payout of 80% of the stake on a win, with the full stake lost on a loss, nine trades break even at five wins: five wins return four units and four losses cost four units. Break-even therefore needs more than five in nine, above fifty-three in a hundred.
The distance between those two numbers is the platform’s margin.
The subject itself is widely taught. In a scan of the 24,971 videos in the finance search study this site keeps, 78 carry “binary option” in the title, median 6,892 views, 48 channels, maximum 99,233.
Win rate appears in 169 titles at a median of 15,735 views, and probability in 64 at 4,692. How often a bet wins cannot say on its own whether the bet pays.
So make the calculation that settles the question. Before placing anything, write down the stated payout, solve for the break-even win rate it implies, and compare that against the base rate for a coin-flip move at that expiry.
Related
Options is the conventional contract this one borrows its name from.
Probability is where the base rate comes from, and it is the number a payout has to clear.
And why traders lose money runs the same arithmetic over ordinary trading, where the costs are at least visible.
These are advertised heavily to beginners, and the pitch is well made — it looks like the simplest version of trading rather than the most extreme one. Seeing what is wrong with it does not take cleverness: write the payout down next to the loss and do the sum. If you have landed here because something was put in front of you, that is marketing working as intended, not a failure of judgment.
— Michael Whitman
This page is educational, not financial advice. Test every idea on your own charts before risking money.