Syntax

talib.OBV

Calculates the On Balance Volume.


    
    
    
talib.OBV(inReal)


    
    
    
talib.OBV(inReal, inPriceV)

Examples

Compute the On Balance Volume from the latest K-lines.

javascript
python


    javascript
    
    
function main() {
    var records = exchange.GetRecords()
    if (!records) return
    var ret = talib.OBV(records)
    Log(ret)
}


    python
    
    
import talib
def main():
    records = exchange.GetRecords()
    if not records:
        return
    ret = talib.OBV(records.Close, records.Volume)
    Log(ret)

Returns

Type	Description
numeric array	Indicator values, the same length as the input; the leading values without enough data are `NaN`.

Arguments

Name	Type	Required	Description
inReal	`Record` array / numeric array	Yes	K-line data (the close price and volume are used) or a numeric array of close prices.
inPriceV	`Record` array / numeric array	No	Volume: not needed when `inReal` is K-line data; required when `inReal` is a close-price array (pass K-line data to use its volume, or a numeric array of volumes).