PREVIEW / etf_30min / 2026-04-28

all etf 30-min files

  file:    by_date/etf_30min/2026/2026-04-28.parquet
  size:    1.0 MB
  rows:    45,260

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
2026-04-28 04:00:00	SPY	ETF	714.35	715.92	713.5	714.78	49780.0
2026-04-28 04:30:00	SPY	ETF	714.77	714.77	714.36	714.57	15695.0
2026-04-28 05:00:00	SPY	ETF	714.67	714.71	714.05	714.21	22895.0
2026-04-28 05:30:00	SPY	ETF	714.21	714.23	713.41	713.84	35075.0
2026-04-28 06:00:00	SPY	ETF	713.92	714.02	713.23	713.58	41024.0
2026-04-28 06:30:00	SPY	ETF	713.6	713.67	713.29	713.58	51778.0
2026-04-28 07:00:00	SPY	ETF	713.52	713.74	711.3	711.54	228914.0
2026-04-28 07:30:00	SPY	ETF	711.53	711.58	710.19	710.52	175861.0
2026-04-28 08:00:00	SPY	ETF	710.56	711.04	709.6	709.85	338778.0
2026-04-28 08:30:00	SPY	ETF	709.78	711.6	709.41	711.54	288670.0
2026-04-28 09:00:00	SPY	ETF	711.56	712.12	710.7176	711.8	336169.0
2026-04-28 09:30:00	SPY	ETF	711.82	712.88	710.78	711.58	4414869.0
2026-04-28 10:00:00	SPY	ETF	711.585	712.36	710.95	711.25	1995118.0
2026-04-28 10:30:00	SPY	ETF	711.26	711.58	709.25	710.52	3258267.0
2026-04-28 11:00:00	SPY	ETF	710.53	711.07	709.81	709.9	1376615.0
2026-04-28 11:30:00	SPY	ETF	709.905	710.15	709.38	709.98	1335183.0
2026-04-28 12:00:00	SPY	ETF	709.98	710.59	709.77	710.32	889158.0
2026-04-28 12:30:00	SPY	ETF	710.3202	710.44	709.36	710.18	1071258.0
2026-04-28 13:00:00	SPY	ETF	710.17	710.4	709.46	710.12	996496.0
2026-04-28 13:30:00	SPY	ETF	710.12	711.15	710.115	711.03	1073398.0
2026-04-28 14:00:00	SPY	ETF	711.04	711.65	710.76	711.35	1692166.0
2026-04-28 14:30:00	SPY	ETF	711.36	711.61	710.83	711.52	1235699.0
2026-04-28 15:00:00	SPY	ETF	711.525	712.19	711.41	711.59	1863353.0
2026-04-28 15:30:00	SPY	ETF	711.59	711.99	711.2	711.68	5196460.0
2026-04-28 16:00:00	SPY	ETF	711.69	712.17	711.33	711.95	3464943.0
2026-04-28 16:30:00	SPY	ETF	711.86	711.95	711.65	711.81	115841.0
2026-04-28 17:00:00	SPY	ETF	711.71	711.75	711.65	711.73	18729.0
2026-04-28 17:30:00	SPY	ETF	711.7498	711.85	711.7004	711.84	14788.0
2026-04-28 18:00:00	SPY	ETF	711.84	712.35	711.84	712.02	49754.0
2026-04-28 18:30:00	SPY	ETF	712.11	712.13	712.02	712.09	8681.0
2026-04-28 19:00:00	SPY	ETF	712.12	712.16	712.0	712.149	7792.0
2026-04-28 19:30:00	SPY	ETF	712.18	712.5	712.18	712.47	13010.0
2026-04-28 04:00:00	QQQ	ETF	663.0	664.21	660.945	662.23	200671.0
2026-04-28 04:30:00	QQQ	ETF	662.15	662.27	661.7	662.11	43371.0
2026-04-28 05:00:00	QQQ	ETF	662.1	662.18	661.07	661.16	53394.0
2026-04-28 05:30:00	QQQ	ETF	661.09	661.15	659.76	660.43	122835.0
2026-04-28 06:00:00	QQQ	ETF	660.41	660.8	659.66	660.03	61656.0
2026-04-28 06:30:00	QQQ	ETF	660.2	660.22	659.31	659.91	65099.0
2026-04-28 07:00:00	QQQ	ETF	659.85	660.05	656.95	657.28	310193.0
2026-04-28 07:30:00	QQQ	ETF	657.31	657.33	655.5	655.86	373441.0
2026-04-28 08:00:00	QQQ	ETF	655.87	656.48	654.67	654.96	407044.0
2026-04-28 08:30:00	QQQ	ETF	654.78	657.275	654.5	657.16	339854.0
2026-04-28 09:00:00	QQQ	ETF	657.15	657.88	656.36	657.55	510736.0
2026-04-28 09:30:00	QQQ	ETF	657.46	659.64	655.275	658.47	5197055.0
2026-04-28 10:00:00	QQQ	ETF	658.38	659.2	657.16	657.64	1868089.0
2026-04-28 10:30:00	QQQ	ETF	657.66	657.93	653.86	655.775	3286847.0
2026-04-28 11:00:00	QQQ	ETF	655.76	656.42	654.34	654.685	1487214.0
2026-04-28 11:30:00	QQQ	ETF	654.53	654.96	653.81	654.86	1094989.0
2026-04-28 12:00:00	QQQ	ETF	654.88	655.6789	654.5575	655.255	1051109.0
2026-04-28 12:30:00	QQQ	ETF	655.27	655.86	654.2501	655.58	920737.0

> showing 50 of 45,260 rows — these rows as CSV

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