WebSocket Market Streams
Tick stream
Stream Description
The primary price feed: one message per quote update from the trade server.
Stream Name
<SYMBOL>@tick
Update Speed
on every quote change. Bursty — an active symbol can produce many per second, a quiet one none for minutes.
Response Example
JSON
{"e":"tick","E":1789012345678,"s":"XAUUSD","b":"2331.15","a":"2331.42","l":"2331.15","v":8,"bd":1,"ad":-1,"T":1789012345678}| Field | Type | Description |
|---|---|---|
e |
STRING | "tick" |
E |
LONG | Event time, Unix ms. |
s |
STRING | Symbol, exact case. |
b |
DECIMAL | Bid. |
a |
DECIMAL | Ask. |
l |
DECIMAL | Last traded price. "0" on symbols where the trade server reports no last price. |
v |
LONG | Tick volume reported with the quote. |
bd |
INT | Bid direction versus the previous tick: 1 up, -1 down, 0 unchanged. |
ad |
INT | Ask direction, same encoding. |
T |
LONG | Tick time, Unix ms. |
Subscribing to a symbol that nobody is watching starts the feed for it. The first tick can take a moment to arrive.