version OhlcSt/1.0;DailyOhlcvApi/1.0.0;PHP market interval Zaif_mona_btc 1800 timestamp open high low close volume vwap 2019/04/20-00:00:00 2019/04/20-00:30:00 2019/04/20-01:00:00 2019/04/20-01:30:00 2019/04/20-02:00:00 2019/04/20-02:30:00 2019/04/20-03:00:00 2019/04/20-03:30:00 2019/04/20-04:00:00 2019/04/20-04:30:00 2019/04/20-05:00:00 2019/04/20-05:30:00 2019/04/20-06:00:00 2019/04/20-06:30:00 2019/04/20-07:00:00 2019/04/20-07:30:00 2019/04/20-08:00:00 2019/04/20-08:30:00 2019/04/20-09:00:00 2019/04/20-09:30:00 2019/04/20-10:00:00 2019/04/20-10:30:00 2019/04/20-11:00:00 2019/04/20-11:30:00 2019/04/20-12:00:00 2019/04/20-12:30:00 2019/04/20-13:00:00 2019/04/20-13:30:00 2019/04/20-14:00:00 2019/04/20-14:30:00 2019/04/20-15:00:00 2019/04/20-15:30:00 2019/04/20-16:00:00 2019/04/20-16:30:00 2019/04/20-17:00:00 2019/04/20-17:30:00 2019/04/20-18:00:00 2019/04/20-18:30:00 2019/04/20-19:00:00 2019/04/20-19:30:00 2019/04/20-20:00:00 2019/04/20-20:30:00 2019/04/20-21:00:00 2019/04/20-21:30:00 2019/04/20-22:00:00 2019/04/20-22:30:00 2019/04/20-23:00:00 2019/04/20-23:30:00