Market LabDocs

Volume Delta

Normalized volume-delta dictionaries available to Python V2.

KeyTypeMeaning
tintegerUnix timestamp in milliseconds.
valuenumberCurrent normalized cumulative value.
o, h, l, cnumber, optionalMMT period OHLC.
ninteger, optionalSample count.
deltanumber, optionalLatest standalone trade-batch delta.
cumulative_deltanumber, optionalStandalone running delta.
records = history.source("btc@vd@hyperliquidf@mmt:timeframe=60,bucket=1")
current = history.source("btc@vd@hyperliquidf@mmt:timeframe=60,bucket=1", 0)

MMT VD records and standalone trade-derived records share t and value; their additional keys reflect how the source was produced.

See Volume Delta Source.