Ticker updates
Best bid/ask, spread, mid, and spot price updates for an instrument.
WSS
tickers.
{instrument_id}
Messages
{
"instrument_id": "<string>",
"best_bid": 123,
"best_ask": 123,
"spread": 123,
"mid_price": 123,
"spot_price": 123,
"greeks": {
"delta": 123,
"gamma": 123,
"theta": 123,
"vega": 123,
"rho": 123,
"iv": 123,
"lambda": 123,
"pop": 123
}
}instrument_id
type:string
required
Instrument identifier.
Instrument ticker
type:object
Best bid/ask, spread, mid price, spot price, and per-unit greeks for a single instrument. Fires on BBO change and on spot updates (debounced per instrument), so subscribers stay current as spot drifts between order book changes.
⌘I
Messages
{
"instrument_id": "<string>",
"best_bid": 123,
"best_ask": 123,
"spread": 123,
"mid_price": 123,
"spot_price": 123,
"greeks": {
"delta": 123,
"gamma": 123,
"theta": 123,
"vega": 123,
"rho": 123,
"iv": 123,
"lambda": 123,
"pop": 123
}
}