PREVIEW / etf_30min / 2026-08-14

all etf 30-min files

  file:    by_date/etf_30min/2026/2026-08-14.parquet
  size:    1.0 MB
  rows:    44,874

schema

  timestamp    TIMESTAMP
  symbol       VARCHAR
  asset_type   VARCHAR
  open         DOUBLE
  high         DOUBLE
  low          DOUBLE
  close        DOUBLE
  volume       DOUBLE

sample rows

timestamp	symbol	asset_type	open	high	low	close	volume
2026-08-14 04:00:00	SPY	ETF	778.08	778.36	777.82	778.35	39611.0
2026-08-14 04:30:00	SPY	ETF	778.37	778.64	778.37	778.48	6750.0
2026-08-14 05:00:00	SPY	ETF	778.41	778.54	778.26	778.41	3439.0
2026-08-14 05:30:00	SPY	ETF	778.4	778.525	778.21	778.525	2741.0
2026-08-14 06:00:00	SPY	ETF	778.55	778.72	778.45	778.46	3689.0
2026-08-14 06:30:00	SPY	ETF	778.49	778.64	778.38	778.63	10548.0
2026-08-14 07:00:00	SPY	ETF	778.631	778.72	778.41	778.4416	39148.0
2026-08-14 07:30:00	SPY	ETF	778.48	778.84	778.48	778.66	23939.0
2026-08-14 08:00:00	SPY	ETF	778.67	778.73	777.91	778.31	128396.0
2026-08-14 08:30:00	SPY	ETF	778.6	778.92	778.56	778.77	67052.0
2026-08-14 09:00:00	SPY	ETF	778.81	778.82	778.37	778.54	134319.0
2026-08-14 09:30:00	SPY	ETF	778.54	778.6	777.66	778.29	2346072.0
2026-08-14 10:00:00	SPY	ETF	778.25	778.8	777.13	777.41	1670614.0
2026-08-14 10:30:00	SPY	ETF	777.4	777.48	776.74	776.74	1480806.0
2026-08-14 11:00:00	SPY	ETF	776.745	777.11	775.86	776.3	1706225.0
2026-08-14 11:30:00	SPY	ETF	776.29	776.46	775.81	776.22	1822542.0
2026-08-14 12:00:00	SPY	ETF	776.23	776.82	776.1	776.71	1297216.0
2026-08-14 12:30:00	SPY	ETF	776.7	776.735	775.66	775.7	1112932.0
2026-08-14 13:00:00	SPY	ETF	775.7	776.13	775.63	775.77	942013.0
2026-08-14 13:30:00	SPY	ETF	775.78	775.98	775.4301	775.83	892363.0
2026-08-14 14:00:00	SPY	ETF	775.835	776.33	775.73	775.925	1102052.0
2026-08-14 14:30:00	SPY	ETF	775.93	776.4919	775.82	776.19	1137658.0
2026-08-14 15:00:00	SPY	ETF	776.19	776.33	775.83	776.155	1417156.0
2026-08-14 15:30:00	SPY	ETF	776.155	776.42	775.92	776.3	3003307.0
2026-08-14 16:00:00	SPY	ETF	776.3	776.36	775.76	775.88	2023802.0
2026-08-14 16:30:00	SPY	ETF	775.84	776.0838	775.8269	776.03	89526.0
2026-08-14 17:00:00	SPY	ETF	776.0202	776.38	775.95	776.04	1046460.0
2026-08-14 17:30:00	SPY	ETF	776.04	776.1	775.95	776.08	14983.0
2026-08-14 18:00:00	SPY	ETF	776.09	776.2	776.045	776.2	8280.0
2026-08-14 18:30:00	SPY	ETF	776.17	776.2	776.11	776.1665	4735.0
2026-08-14 19:00:00	SPY	ETF	776.11	776.22	776.11	776.18	6518.0
2026-08-14 19:30:00	SPY	ETF	776.1602	776.27	776.01	776.01	13977.0
2026-08-14 04:00:00	QQQ	ETF	732.5	733.27	730.87	733.0	113034.0
2026-08-14 04:30:00	QQQ	ETF	733.06	733.39	733.0	733.1	22533.0
2026-08-14 05:00:00	QQQ	ETF	732.94	733.25	732.7303	733.09	10502.0
2026-08-14 05:30:00	QQQ	ETF	733.01	733.31	732.67	733.31	15445.0
2026-08-14 06:00:00	QQQ	ETF	733.28	733.67	733.06	733.1	19037.0
2026-08-14 06:30:00	QQQ	ETF	733.14	733.65	733.085	733.65	15664.0
2026-08-14 07:00:00	QQQ	ETF	733.69	733.93	733.5	733.67	76754.0
2026-08-14 07:30:00	QQQ	ETF	733.6	734.11	733.435	733.95	98971.0
2026-08-14 08:00:00	QQQ	ETF	733.99	734.32	731.521	733.584	144549.0
2026-08-14 08:30:00	QQQ	ETF	733.78	734.34	733.63	734.05	68050.0
2026-08-14 09:00:00	QQQ	ETF	734.1	734.41	733.35	733.48	164230.0
2026-08-14 09:30:00	QQQ	ETF	733.41	734.39	731.7201	733.05	2280114.0
2026-08-14 10:00:00	QQQ	ETF	733.03	734.16	730.84	731.4601	1732512.0
2026-08-14 10:30:00	QQQ	ETF	731.4721	731.85	730.6	730.6	1070636.0
2026-08-14 11:00:00	QQQ	ETF	730.6	731.05	728.41	729.3202	1470042.0
2026-08-14 11:30:00	QQQ	ETF	729.37	729.39	728.32	729.225	1300049.0
2026-08-14 12:00:00	QQQ	ETF	729.22	730.215	728.86	730.07	1067236.0
2026-08-14 12:30:00	QQQ	ETF	730.075	730.105	728.94	729.02	812665.0

> showing 50 of 44,874 rows — these rows as CSV

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