trades_option

Taker executions on option instruments. Same wire format as perp trades. History TTL is 120 days (vs 30 days for perps) since options can trade infrequently between expiries.

Channel: trades_option:{instrument} Example: trades_option:BTC_USDC-31OCT25-130000-C

Payload

["150.00", "-10", 1704067200000]

Index	Type	Description
0	string	Price (premium, always positive)
1	string	Signed size — positive = taker bought, negative = taker sold
2	integer	Trade execution timestamp (ms)

sub.on("publication", (ctx) => {
  const [price, signedSize, timestamp] = ctx.data;
  const side = Number(signedSize) >= 0 ? "buy" : "sell";
});

History

Last 100 trades available via the history API on bidirectional transports (120-day TTL). See Transports & Connection for subscribe examples with history fetch.

On reconnect, the SDK automatically recovers missed trades using the last known stream position.