PREVIEW / etf_30min / 2026-05-21

all etf 30-min files

  file:    by_date/etf_30min/2026/2026-05-21.parquet
  size:    1.1 MB
  rows:    46,202

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
2026-05-21 04:00:00	SPY	ETF	739.2293	743.21	739.0	742.1	103562.0
2026-05-21 04:30:00	SPY	ETF	742.28	742.28	741.27	741.6	17618.0
2026-05-21 05:00:00	SPY	ETF	741.56	742.57	741.45	742.57	21687.0
2026-05-21 05:30:00	SPY	ETF	742.62	742.62	741.63	741.91	7937.0
2026-05-21 06:00:00	SPY	ETF	741.79	742.1	739.0	739.51	81167.0
2026-05-21 06:30:00	SPY	ETF	739.38	739.68	737.87	738.65	114197.0
2026-05-21 07:00:00	SPY	ETF	738.68	740.05	738.2	739.53	159704.0
2026-05-21 07:30:00	SPY	ETF	739.5882	739.84	739.09	739.3387	51881.0
2026-05-21 08:00:00	SPY	ETF	739.34	740.63	738.56	738.9	97033.0
2026-05-21 08:30:00	SPY	ETF	738.9	739.91	738.1	738.11	176343.0
2026-05-21 09:00:00	SPY	ETF	738.22	739.11	738.085	738.65	157919.0
2026-05-21 09:30:00	SPY	ETF	738.67	740.18	737.4146	739.79	4085873.0
2026-05-21 10:00:00	SPY	ETF	739.78	740.615	737.44	738.505	2700235.0
2026-05-21 10:30:00	SPY	ETF	738.5	739.265	737.6	738.91	1428908.0
2026-05-21 11:00:00	SPY	ETF	738.96	739.37	737.03	738.8	2291732.0
2026-05-21 11:30:00	SPY	ETF	738.81	739.81	737.82	739.3	1553697.0
2026-05-21 12:00:00	SPY	ETF	739.3	739.96	738.38	738.8	1419747.0
2026-05-21 12:30:00	SPY	ETF	738.81	739.18	738.09	738.9	1359686.0
2026-05-21 13:00:00	SPY	ETF	738.93	743.05	738.93	742.15	3877670.0
2026-05-21 13:30:00	SPY	ETF	742.16	744.87	741.97	743.68	2679993.0
2026-05-21 14:00:00	SPY	ETF	743.68	744.11	742.58	743.34	2418587.0
2026-05-21 14:30:00	SPY	ETF	743.35	743.72	740.08	741.0268	3081522.0
2026-05-21 15:00:00	SPY	ETF	741.04	742.88	740.98	742.68	2166608.0
2026-05-21 15:30:00	SPY	ETF	742.66	743.16	741.92	742.75	4690080.0
2026-05-21 16:00:00	SPY	ETF	742.72	743.22	742.56	742.79	1663617.0
2026-05-21 16:30:00	SPY	ETF	742.8	743.12	742.77	742.93	137196.0
2026-05-21 17:00:00	SPY	ETF	742.99	743.15	742.9	743.12	13276.0
2026-05-21 17:30:00	SPY	ETF	743.075	743.14	742.95	742.97	9633.0
2026-05-21 18:00:00	SPY	ETF	743.0293	743.84	743.0293	743.5182	40141.0
2026-05-21 18:30:00	SPY	ETF	743.56	744.12	743.3	744.0058	29158.0
2026-05-21 19:00:00	SPY	ETF	744.0	744.08	743.92	743.97	6780.0
2026-05-21 19:30:00	SPY	ETF	744.0	744.56	743.9	744.1311	30087.0
2026-05-21 04:00:00	QQQ	ETF	711.03	714.92	708.76	713.71	241175.0
2026-05-21 04:30:00	QQQ	ETF	713.52	713.52	712.25	712.89	37498.0
2026-05-21 05:00:00	QQQ	ETF	712.83	714.05	712.66	713.9	47927.0
2026-05-21 05:30:00	QQQ	ETF	713.98	714.05	712.82	712.92	18973.0
2026-05-21 06:00:00	QQQ	ETF	712.92	713.2	709.61	710.09	88074.0
2026-05-21 06:30:00	QQQ	ETF	710.0	710.86	708.48	709.57	163073.0
2026-05-21 07:00:00	QQQ	ETF	709.7	710.82	708.7	710.37	179819.0
2026-05-21 07:30:00	QQQ	ETF	710.41	710.68	709.55	709.8046	74686.0
2026-05-21 08:00:00	QQQ	ETF	709.8608	710.49	709.08	709.56	129953.0
2026-05-21 08:30:00	QQQ	ETF	709.55	710.76	708.26	708.47	235288.0
2026-05-21 09:00:00	QQQ	ETF	708.38	709.54	708.1	708.92	378647.0
2026-05-21 09:30:00	QQQ	ETF	708.99	711.35	707.94	710.65	3938255.0
2026-05-21 10:00:00	QQQ	ETF	710.63	711.89	706.77	708.265	2804315.0
2026-05-21 10:30:00	QQQ	ETF	708.31	709.84	707.732	709.409	1865684.0
2026-05-21 11:00:00	QQQ	ETF	709.44	710.01	706.85	709.36	2133232.0
2026-05-21 11:30:00	QQQ	ETF	709.45	711.04	707.99	710.17	1320773.0
2026-05-21 12:00:00	QQQ	ETF	710.19	711.24	708.97	709.71	1213370.0
2026-05-21 12:30:00	QQQ	ETF	709.74	710.34	708.77	709.99	808621.0

> showing 50 of 46,202 rows — these rows as CSV

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