PREVIEW / etf_30min / 2026-07-21

all etf 30-min files

  file:    by_date/etf_30min/2026/2026-07-21.parquet
  size:    1.0 MB
  rows:    46,536

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
2026-07-21 04:00:00	SPY	ETF	745.07	746.41	744.7	746.01	56673.0
2026-07-21 04:30:00	SPY	ETF	745.99	746.24	745.88	746.02	9511.0
2026-07-21 05:00:00	SPY	ETF	746.1	746.45	746.0	746.0	7473.0
2026-07-21 05:30:00	SPY	ETF	746.01	746.37	745.82	745.87	13069.0
2026-07-21 06:00:00	SPY	ETF	746.0	746.45	745.76	746.11	66003.0
2026-07-21 06:30:00	SPY	ETF	746.12	746.68	745.72	746.05	74146.0
2026-07-21 07:00:00	SPY	ETF	745.89	746.05	745.0	745.18	76177.0
2026-07-21 07:30:00	SPY	ETF	745.2	745.76	745.11	745.181	44587.0
2026-07-21 08:00:00	SPY	ETF	745.25	745.85	744.79	744.8399	97500.0
2026-07-21 08:30:00	SPY	ETF	744.84	745.44	744.27	745.23	153852.0
2026-07-21 09:00:00	SPY	ETF	745.28	746.29	744.9	746.29	140973.0
2026-07-21 09:30:00	SPY	ETF	746.29	746.69	744.18	745.37	3278562.0
2026-07-21 10:00:00	SPY	ETF	745.38	746.99	744.79	746.87	1478664.0
2026-07-21 10:30:00	SPY	ETF	746.85	747.26	745.77	746.74	1512890.0
2026-07-21 11:00:00	SPY	ETF	746.77	748.01	745.83	748.0	1448847.0
2026-07-21 11:30:00	SPY	ETF	747.98	748.0	747.41	747.52	1195503.0
2026-07-21 12:00:00	SPY	ETF	747.52	748.75	747.49	748.66	1196038.0
2026-07-21 12:30:00	SPY	ETF	748.64	749.04	748.4	748.69	856765.0
2026-07-21 13:00:00	SPY	ETF	748.6884	748.855	748.24	748.36	1193013.0
2026-07-21 13:30:00	SPY	ETF	748.36	748.93	748.215	748.59	1033240.0
2026-07-21 14:00:00	SPY	ETF	748.59	748.77	748.065	748.21	1223785.0
2026-07-21 14:30:00	SPY	ETF	748.22	748.64	747.94	748.37	1104410.0
2026-07-21 15:00:00	SPY	ETF	748.38	748.47	748.09	748.26	1256753.0
2026-07-21 15:30:00	SPY	ETF	748.25	748.7	748.09	748.315	4210131.0
2026-07-21 16:00:00	SPY	ETF	748.295	748.41	747.82	747.86	3515963.0
2026-07-21 16:30:00	SPY	ETF	747.87	748.28	747.84	748.04	188663.0
2026-07-21 17:00:00	SPY	ETF	748.01	748.25	747.94	748.1	53746.0
2026-07-21 17:30:00	SPY	ETF	748.06	748.3	748.0	748.08	14441.0
2026-07-21 18:00:00	SPY	ETF	748.19	748.221	747.83	747.85	61098.0
2026-07-21 18:30:00	SPY	ETF	747.8655	747.94	747.57	747.8	15522.0
2026-07-21 19:00:00	SPY	ETF	747.72	748.11	747.7186	747.995	9164.0
2026-07-21 19:30:00	SPY	ETF	748.0094	748.12	747.7	748.06	15148.0
2026-07-21 04:00:00	QQQ	ETF	704.07	705.29	701.63	705.29	315575.0
2026-07-21 04:30:00	QQQ	ETF	705.25	705.46	704.89	705.2834	78937.0
2026-07-21 05:00:00	QQQ	ETF	705.23	705.93	705.18	705.26	48326.0
2026-07-21 05:30:00	QQQ	ETF	705.27	705.66	704.88	705.01	41446.0
2026-07-21 06:00:00	QQQ	ETF	705.01	706.0	705.0	705.45	62277.0
2026-07-21 06:30:00	QQQ	ETF	705.48	706.11	705.05	705.21	92396.0
2026-07-21 07:00:00	QQQ	ETF	705.25	705.67	704.13	704.341	132904.0
2026-07-21 07:30:00	QQQ	ETF	704.33	705.63	704.33	704.84	84860.0
2026-07-21 08:00:00	QQQ	ETF	704.95	705.9	695.538	704.51	117951.0
2026-07-21 08:30:00	QQQ	ETF	704.45	705.7	703.92	705.35	131894.0
2026-07-21 09:00:00	QQQ	ETF	705.4511	706.59	704.97	706.54	211263.0
2026-07-21 09:30:00	QQQ	ETF	706.59	707.13	703.5	704.89	3006744.0
2026-07-21 10:00:00	QQQ	ETF	704.97	706.45	702.8	706.23	1747196.0
2026-07-21 10:30:00	QQQ	ETF	706.22	707.4	705.2	707.0	1596620.0
2026-07-21 11:00:00	QQQ	ETF	706.98	708.99	705.65	708.69	1506628.0
2026-07-21 11:30:00	QQQ	ETF	708.66	708.68	707.48	707.5203	990446.0
2026-07-21 12:00:00	QQQ	ETF	707.52	709.41	707.43	708.84	1086441.0
2026-07-21 12:30:00	QQQ	ETF	708.85	709.79	708.6	709.3	1208922.0

> showing 50 of 46,536 rows — these rows as CSV

> unlock the full archive -- $79 one-time