# Volume Indicator Functions
### AD - Chaikin A/D Line
```
real = AD(high, low, close, volume)
```

Learn more about the Chaikin A/D Line at [tadoc.org](http://www.tadoc.org/indicator/AD.htm).  
### ADOSC - Chaikin A/D Oscillator
```
real = ADOSC(high, low, close, volume, fastperiod=3, slowperiod=10)
```

Learn more about the Chaikin A/D Oscillator at [tadoc.org](http://www.tadoc.org/indicator/ADOSC.htm).  
### OBV - On Balance Volume
```
real = OBV(close, volume)
```

Learn more about the On Balance Volume at [tadoc.org](http://www.tadoc.org/indicator/OBV.htm).  

[Documentation Index](../doc_index.html)
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