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