PREVIEW / etf_30min / 2026-08-12

all etf 30-min files

  file:    by_date/etf_30min/2026/2026-08-12.parquet
  size:    1.1 MB
  rows:    46,430

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
2026-08-12 04:00:00	SPY	ETF	771.5	771.8	770.93	771.75	46126.0
2026-08-12 04:30:00	SPY	ETF	771.7	771.89	771.36	771.84	10926.0
2026-08-12 05:00:00	SPY	ETF	771.79	772.84	771.79	772.33	17145.0
2026-08-12 05:30:00	SPY	ETF	772.4	772.6	772.04	772.14	8586.0
2026-08-12 06:00:00	SPY	ETF	772.16	772.49	772.137	772.3652	28963.0
2026-08-12 06:30:00	SPY	ETF	772.39	772.52	771.47	772.11	47421.0
2026-08-12 07:00:00	SPY	ETF	772.16	772.46	772.0	772.1594	43297.0
2026-08-12 07:30:00	SPY	ETF	772.121	772.67	772.1	772.6	110582.0
2026-08-12 08:00:00	SPY	ETF	772.59	773.92	770.85	773.5	282031.0
2026-08-12 08:30:00	SPY	ETF	773.62	774.2	771.69	774.0	416265.0
2026-08-12 09:00:00	SPY	ETF	774.0	774.82	773.84	774.7	236398.0
2026-08-12 09:30:00	SPY	ETF	774.71	774.9	772.09	772.59	3442434.0
2026-08-12 10:00:00	SPY	ETF	772.595	773.305	771.88	772.795	2031596.0
2026-08-12 10:30:00	SPY	ETF	772.79	773.2	771.28	772.22	2094072.0
2026-08-12 11:00:00	SPY	ETF	772.2209	772.41	771.71	772.37	994125.0
2026-08-12 11:30:00	SPY	ETF	772.4	772.47	771.56	772.03	933833.0
2026-08-12 12:00:00	SPY	ETF	772.015	772.67	771.97	772.45	1153327.0
2026-08-12 12:30:00	SPY	ETF	772.45	773.2	772.18	772.905	1181760.0
2026-08-12 13:00:00	SPY	ETF	772.91	773.29	772.61	772.78	1111014.0
2026-08-12 13:30:00	SPY	ETF	772.83	773.0	772.6414	772.8101	867696.0
2026-08-12 14:00:00	SPY	ETF	772.81	773.31	772.78	773.09	971296.0
2026-08-12 14:30:00	SPY	ETF	773.09	773.63	773.04	773.06	1225125.0
2026-08-12 15:00:00	SPY	ETF	773.035	773.38	772.8	772.98	1159552.0
2026-08-12 15:30:00	SPY	ETF	772.98	773.02	772.0	772.52	3417434.0
2026-08-12 16:00:00	SPY	ETF	772.52	773.32	772.25	772.32	2225935.0
2026-08-12 16:30:00	SPY	ETF	772.31	772.39	772.21	772.21	86481.0
2026-08-12 17:00:00	SPY	ETF	772.21	772.55	772.11	772.5	48338.0
2026-08-12 17:30:00	SPY	ETF	772.54	772.58	772.5	772.51	35320.0
2026-08-12 18:00:00	SPY	ETF	772.51	772.64	772.3	772.41	136388.0
2026-08-12 18:30:00	SPY	ETF	772.26	772.39	772.21	772.3401	6423.0
2026-08-12 19:00:00	SPY	ETF	772.4562	772.658	772.4562	772.55	7809.0
2026-08-12 19:30:00	SPY	ETF	772.53	772.6	772.26	772.3	24002.0
2026-08-12 04:00:00	QQQ	ETF	721.21	722.24	719.29	722.11	95274.0
2026-08-12 04:30:00	QQQ	ETF	722.0872	722.4	721.53	722.26	32016.0
2026-08-12 05:00:00	QQQ	ETF	722.3	723.57	722.3	722.95	65763.0
2026-08-12 05:30:00	QQQ	ETF	723.05	723.35	722.48	722.7474	17375.0
2026-08-12 06:00:00	QQQ	ETF	722.7701	723.44	722.7701	723.43	23426.0
2026-08-12 06:30:00	QQQ	ETF	723.241	723.44	722.115	722.74	105278.0
2026-08-12 07:00:00	QQQ	ETF	722.77	723.28	722.52	722.651	71008.0
2026-08-12 07:30:00	QQQ	ETF	722.57	723.49	722.56	723.49	57339.0
2026-08-12 08:00:00	QQQ	ETF	723.46	725.41	717.912	725.05	243060.0
2026-08-12 08:30:00	QQQ	ETF	725.06	726.0	721.3	725.31	541047.0
2026-08-12 09:00:00	QQQ	ETF	725.32	727.08	725.24	727.08	331872.0
2026-08-12 09:30:00	QQQ	ETF	727.08	727.25	723.73	725.04	3922641.0
2026-08-12 10:00:00	QQQ	ETF	725.04	725.93	723.61	725.23	1808359.0
2026-08-12 10:30:00	QQQ	ETF	725.23	725.6	723.23	724.08	2082352.0
2026-08-12 11:00:00	QQQ	ETF	724.09	724.64	723.39	724.23	970629.0
2026-08-12 11:30:00	QQQ	ETF	724.25	724.31	722.92	723.24	999259.0
2026-08-12 12:00:00	QQQ	ETF	723.24	724.55	723.16	724.2	739509.0
2026-08-12 12:30:00	QQQ	ETF	724.2295	725.25	723.67	724.99	1013363.0

> showing 50 of 46,430 rows — these rows as CSV

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