Binary Options
Binary options are contracts that pay a fixed amount if a stated condition is met, and usually nothing if it is not. The condition might be whether a currency pair, share price or market index finishes above a stated level at a set time. Unlike a conventional option, a binary option does not give its holder the right to buy or sell the underlying asset, as the SEC and CFTC explain in their investor alert.
The attraction is an outcome that looks easy to calculate. That should not be confused with an easy profit. The payout is fixed, the chance of receiving it is not. Before considering a trade, establish what settles the contract, how much a winning position earns relative to a losing position, and whether the provider can legally serve you.
How binary options work
Consider a hypothetical contract asking: “Will EUR/USD settle above 1.1000 at 3 p.m. New York time?” The currency pair is the underlying market, 1.1000 is the strike price, and 3 p.m. is the expiration time. Buying the “yes” outcome means taking the position that the settlement value will exceed that threshold.
Notice the distinction between predicting direction and meeting the contract condition. EUR/USD could rise from 1.0950 to 1.0990 and the “above 1.1000” position would still lose. A correct view about a rising market is not enough if the contract requires it to rise further, or sooner.
The settlement method also matters. Do not assume that the last price on a separate chart determines the result. For example, Nadex’s explanation of expiration refers to its index calculation methodology. For the above-strike contracts described there, a settlement value equal to the strike produces a losing result for the buyer. A tie is not automatically a refund.
Before comparing products, read the condition, price source, expiration time and treatment of equality. Our guide to binary options types examines contract variations beyond this basic example.
Two payout structures that should not be confused
A stake with a quoted profit percentage
Suppose a hypothetical offer requires a $100 stake and advertises an 80% profit on a winning trade. Assume a losing trade forfeits the entire stake, with no refund or additional charges.
A winner returns $180: the original $100 plus $80 profit. A loser returns nothing, producing a $100 loss. The advertised 80% describes the profit on a successful trade, not an 80% probability of success or an expected return across all trades.
This imbalance deserves attention. One winner does not offset one loser. The SEC’s binary options guidance warns that advertised returns can obscure a payout structure in which losses outweigh equivalent numbers of wins.
A contract purchased at a market price
An exchange contract can instead have a purchase price below its fixed settlement amount. The CFTC’s explanation of event contracts describes yes-or-no products commonly settling at $1. These share a binary payout structure, although not every event contract has identical terms.
For an illustrative contract purchased at $0.42 and settling at either $1 or zero, the buyer’s potential profit is $0.58 and the potential loss is $0.42, before fees. Purchasing 100 such contracts would cost $42 and produce either a $100 settlement payment or nothing.
Do not apply the earlier 80% payout calculation to this structure. Here, the purchase price determines the relationship between potential profit and loss.
Some exchange contracts also permit closing a position before expiration. That requires an executable trade rather than simply changing your mind. Check the trading costs: Nadex’s published fee explanation, for example, distinguishes opening a position, closing it through an opposite trade, and holding it until settlement.
The win rate needed to break even
For the stake-based example, the break-even win rate follows a simple calculation:
Break-even win rate = loss per losing trade ÷ (profit per winning trade + loss per losing trade).
With $100 lost on a loser and $80 earned on a winner, the calculation is $100 ÷ $180, or approximately 55.56%. That is the win rate required to break even before fees, assuming identical stakes and payouts throughout.
| Profit on a winner | Loss on a loser | Break-even win rate |
|---|---|---|
| $70 | $100 | 58.82% |
| $80 | $100 | 55.56% |
| $90 | $100 | 52.63% |
Being right more often than wrong can still lose money. Across 100 hypothetical trades at the 80% profit rate, 55 winners earn $4,400 while 45 losers cost $4,500. The result is a $100 loss before any other expenses.
These figures are arithmetic, not a forecast of achievable performance. They also explain why a claimed win rate is incomplete without the payout, stake sizes and costs. A screenshot showing winning trades does not settle that question. The calculator is less easily impressed.
Why a defined loss can still be a large risk
Knowing the maximum contractual loss helps describe a trade, but it does not make that loss affordable. In a hypothetical $1,000 account, five losing trades with a fixed $100 stake consume half the balance. Recovering from $500 to $1,000 then requires a 100% gain on the money remaining.
Smaller stakes reduce the dollars exposed to each result. They do not change an unfavorable relationship between the probability of winning and the payout. Nor does choosing a short expiration remove the possibility of losing the entire stake.
There is evidence behind regulators’ concerns. In the 13 months before Australia’s ban took effect on May 3, 2021, ASIC found that 74–77% of active retail clients in the reviewed data lost money trading binary options. Its report on the binary options ban identifies short durations, the payout structure and negative expected returns as reasons for intervention. Those historical findings should not be presented as a universal loss rate for every contract or venue.
Keep market risk separate from provider risk. A contract can settle against you fairly; a dishonest platform can refuse to return funds regardless of your trading results. The latter problem cannot be solved with a better chart indicator.
Are binary options legal?
The answer depends on jurisdiction, customer category, product and trading venue. An accessible website is not proof that its offer is lawful. Check the applicable rules before submitting money or identity documents.
United States: The CFTC’s guidance on off-exchange binary options directs retail trading to regulated U.S. exchanges and warns against unregistered offshore providers. Verify the venue through the CFTC’s designated contract market register, rather than relying on a broker’s description of its status. A foreign license should not be treated as proof of permission to solicit U.S. customers.
United Kingdom: The FCA’s permanent prohibition took effect on April 2, 2019. It prevents firms acting in or from the UK from selling, marketing or distributing binary options to retail consumers. The regulator’s announcement of the retail binary options ban explains its scope.
Australia: ASIC’s prohibition on issuing and distributing binary options to retail clients has been extended until October 1, 2031. Its current consumer guidance on binary options also warns against agreeing to wholesale client classification simply to gain access, because wholesale clients do not receive the same consumer protections.
These examples are not a complete international survey. Consult our binary options regulation guide for country coverage, then confirm the position with the relevant regulator.
Checking a binary options provider
Start with the legal entity, not the trading interface. The CFTC’s registration and background-check guidance recommends verifying registration and disciplinary history before researching potential returns. It also notes that registration and a clean record do not guarantee protection from fraud.
Where the product is lawfully available, establish:
- Which legal entity will hold your account and accept your money.
- Whether its regulatory permissions cover the service being offered.
- Which contract rules determine settlement and resolve disputes.
- What trading, funding and withdrawal charges apply.
Be especially cautious about pressure to deposit more or unexplained obstacles when withdrawing. The SEC has received complaints involving refused withdrawals, identity theft and manipulated trading software. These are provider failures, not ordinary losing trades.
A deposit bonus deserves scrutiny too. The CFTC’s warning about binary options bonuses describes offers that require a minimum amount of trading before funds can be withdrawn. An account credit with restrictive conditions is not equivalent to withdrawable cash.
Our guide to binary options brokers develops these checks further. No headline payout should outweigh an unresolved question about authorization or access to your money.
What a trading strategy must demonstrate
Assess a proposed strategy against the actual contract economics. Ask for a complete record showing entry prices, expiration times, payouts, fees and losing trades, not a selection of favorable charts. State the rules before evaluating results so that unsuccessful signals cannot conveniently disappear afterward.
Simulated performance needs separate treatment. The CFTC’s warning about online trading systems explains that hypothetical results may misrepresent execution conditions, omit costs or benefit from selecting favorable historical trades. A demo account can help you learn order entry; its balance does not prove that a strategy will work with real money.
Doubling stakes after losses is not a repair for unfavorable payouts. In the 80% profit example, consecutive losses of $100, $200 and $400 total $700. A subsequent $800 winning trade earns $640, leaving the sequence $60 down before fees. The larger stake has increased exposure without even recovering those losses.
Use the binary options strategies guide to examine evaluation methods rather than treating any signal, indicator or staking pattern as a promise of income.
Records, taxes and deciding whether to participate
Keep your own transaction records rather than relying solely on an account dashboard. Save contract descriptions, confirmations, purchase prices, settlement payments, charges, deposits and withdrawals. This gives you material to reconcile performance and discuss with a tax adviser.
Do not assume that profits are tax free because someone describes binary options as betting. Ask a qualified adviser to assess the exact instrument and your circumstances. For U.S. readers, IRS Publication 550 on investment income and expenses provides general guidance on investment gains and losses; it should not be read as assigning one tax treatment to every binary contract. Our binary options tax guide separates the questions that need closer review.
Before participating, write down the amount you could lose without affecting bills, emergency savings or other commitments. If that amount is zero, there is no reason to proceed. Declining a trade is a complete decision, not a missed obligation.
Finally, consider the purpose of the activity. Trying to profit from a contract’s expiration is not the same decision as building a portfolio for a long-term goal. Our comparison of trading and investing helps frame that choice. For binary options, begin with legality, settlement rules and payout mathematics. Only then does a market prediction become worth discussing.