Extrapolating from this answer by Nithin, the exchanges only provide daily OHLC and not for lower time frames. Brokers essentially display the OHLC by collating the ticks, which most often doesn’t give you the correct OHLC for lower time frames.
Extrapolating from this answer by Nithin, the exchanges only provide daily OHLC and not for lower time frames. Brokers essentially display the OHLC by collating the ticks, which most often doesn’t give you the correct OHLC for lower time frames.