Order Price Limit

Subscribe to Get Order Price Limit.

For derivative trading order price limit, refer to announcement
For spot trading order price limit, refer to announcement

Push frequency: 300ms

Topic:
priceLimit.{symbol}

Response Parameters

Parameter	Type	Comments
topic	string	Topic name
ts	number	The timestamp (ms) that the system generates the data
data	array	Object.
> symbol	string	Symbol name
> buyLmt	string	Highest Bid Price
> sellLmt	string	Lowest Ask Price

Subscribe Example

JSON

{
    "op": "subscribe",
    "args": [
        "priceLimit.BTCUSDT"
    ]
}

Python

from pybit.unified_trading import WebSocket
from time import sleep
ws = WebSocket(
    testnet=True,
    channel_type="linear",
)
def handle_message(message):
    print(message)
ws.price_limit_stream(
    symbol="BTCUSDT",
    callback=handle_message
)
while True:
    sleep(1)

Response Example

{
    "topic": "priceLimit.BTCUSDT",
    "data": {
        "symbol": "BTCUSDT",
        "buyLmt": "114450.00",
        "sellLmt": "103550.00"
    },
    "ts": 1750059683782
}