At-expiration digital option

A fixed-outcome contract that settles according to a stated condition at expiry or during the contract period.

A fixed-outcome contract referenced to a currency pair, with settlement determined by the broker's stated expiry and price source.

A binary option that delivers the value of the referenced asset when its condition is met rather than a fixed cash amount.

A binary option that pays a fixed cash amount when its condition is met and zero otherwise.

A broker-specific fixed-payout label. Some platforms use digital options broadly; others reserve the term for strike-selectable contracts whose payout changes with the selected strike.

A contract settled by whether a stated event or condition occurs. Some event contracts use binary outcomes, but venue and regulatory structure can differ.