On-Balance Volume (OBV) for 1622 instruments traded on WSE/GPW (Warsaw Stock Exchange, Gie?da Papierów Warto?ciowych). OBV is an indicator that relates price and volume in the stock market. This includes shares, bonds, subscription rights, allotments, and derivatives such as futures, options, and index participation units. The covered period is since 1991/04/16 and excludes days when there was no trading (weekends, public holidays, etc.). The dataset contains open, close, high and low values and volume as taken from daily trading sessions. It also contains the value of OBV. All values are given in PLN. Values are separeted by commas , Decimal point is . Please let me know if you might need to see something more/else in this dataset. I will be happy to provide. I am also happy to provide other indicators based on WSE/GPW stocks' prices.