OBV

Traders love signals to invest (buy and sell). Afterall, who doesn't like to make money? We have to admit, there are many ways to inteprete a data, there isn't one definitive way that your analysis is always correct. Hence, it is important to combine analysis results with others to compare results.
The On-balance Volume(OBV) indicator is one way to view historical data to predict future stock prices. It is worth noting that the OBV is a method that measures more of long term indicator.