PREVIEW / etf_30min / 2026-08-13

all etf 30-min files

  file:    by_date/etf_30min/2026/2026-08-13.parquet
  size:    1.0 MB
  rows:    45,878

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
2026-08-13 04:00:00	SPY	ETF	772.85	773.77	772.85	773.73	47072.0
2026-08-13 04:30:00	SPY	ETF	773.73	773.86	773.58	773.75	20792.0
2026-08-13 05:00:00	SPY	ETF	773.78	773.83	773.36	773.6	10112.0
2026-08-13 05:30:00	SPY	ETF	773.61	774.01	773.61	774.0	10430.0
2026-08-13 06:00:00	SPY	ETF	774.0	774.03	773.85	773.98	4038.0
2026-08-13 06:30:00	SPY	ETF	773.9	774.12	773.9	774.04	14401.0
2026-08-13 07:00:00	SPY	ETF	774.07	774.13	773.83	773.95	24122.0
2026-08-13 07:30:00	SPY	ETF	773.94	774.41	773.92	773.93	29906.0
2026-08-13 08:00:00	SPY	ETF	774.02	774.02	773.43	773.82	66194.0
2026-08-13 08:30:00	SPY	ETF	773.9	774.5	773.35	774.3462	180087.0
2026-08-13 09:00:00	SPY	ETF	774.4	774.9	774.3507	774.9	199082.0
2026-08-13 09:30:00	SPY	ETF	774.87	777.69	774.111	777.61	3185816.0
2026-08-13 10:00:00	SPY	ETF	777.6	779.25	777.52	779.19	2167275.0
2026-08-13 10:30:00	SPY	ETF	779.19	779.37	777.38	777.76	2206994.0
2026-08-13 11:00:00	SPY	ETF	777.77	778.23	775.92	776.17	2197372.0
2026-08-13 11:30:00	SPY	ETF	776.18	776.37	775.38	775.49	1780302.0
2026-08-13 12:00:00	SPY	ETF	775.48	776.52	775.46	776.52	1116658.0
2026-08-13 12:30:00	SPY	ETF	776.525	776.8	776.205	776.7	1061655.0
2026-08-13 13:00:00	SPY	ETF	776.71	777.48	776.71	777.11	727841.0
2026-08-13 13:30:00	SPY	ETF	777.1	777.24	776.62	776.745	678335.0
2026-08-13 14:00:00	SPY	ETF	776.75	777.17	776.66	776.98	1102383.0
2026-08-13 14:30:00	SPY	ETF	776.99	777.93	776.99	777.74	1170480.0
2026-08-13 15:00:00	SPY	ETF	777.75	778.43	777.72	778.0301	1886123.0
2026-08-13 15:30:00	SPY	ETF	778.03	778.24	777.35	777.8	4725283.0
2026-08-13 16:00:00	SPY	ETF	777.8	777.99	777.0	777.57	3697762.0
2026-08-13 16:30:00	SPY	ETF	777.58	778.02	777.54	777.95	56119.0
2026-08-13 17:00:00	SPY	ETF	777.95	778.04	777.72	778.02	22059.0
2026-08-13 17:30:00	SPY	ETF	777.9708	778.0306	777.88	777.97	401221.0
2026-08-13 18:00:00	SPY	ETF	778.0	778.18	777.85	777.9601	36045.0
2026-08-13 18:30:00	SPY	ETF	777.95	778.03	777.9	777.94	7151.0
2026-08-13 19:00:00	SPY	ETF	777.94	778.25	777.9246	778.119	20177.0
2026-08-13 19:30:00	SPY	ETF	778.08	778.1798	778.06	778.12	15799.0
2026-08-13 04:00:00	QQQ	ETF	723.86	725.46	723.21	723.91	123248.0
2026-08-13 04:30:00	QQQ	ETF	723.93	724.2	723.7	724.0572	24502.0
2026-08-13 05:00:00	QQQ	ETF	723.99	724.13	723.11	723.37	29863.0
2026-08-13 05:30:00	QQQ	ETF	723.7	724.39	723.7	724.39	9517.0
2026-08-13 06:00:00	QQQ	ETF	724.37	724.51	724.05	724.2	24162.0
2026-08-13 06:30:00	QQQ	ETF	724.25	724.56	724.18	724.49	13855.0
2026-08-13 07:00:00	QQQ	ETF	724.47	724.7	723.86	724.0	41494.0
2026-08-13 07:30:00	QQQ	ETF	723.97	724.78	723.95	724.2	47802.0
2026-08-13 08:00:00	QQQ	ETF	724.22	724.23	722.8	723.94	91564.0
2026-08-13 08:30:00	QQQ	ETF	723.96	724.69	723.0	724.42	148484.0
2026-08-13 09:00:00	QQQ	ETF	724.42	725.39	724.42	725.22	247524.0
2026-08-13 09:30:00	QQQ	ETF	725.15	731.69	724.03	731.57	5636209.0
2026-08-13 10:00:00	QQQ	ETF	731.56	733.04	731.1	732.96	2709257.0
2026-08-13 10:30:00	QQQ	ETF	732.95	733.755	732.12	732.15	2346379.0
2026-08-13 11:00:00	QQQ	ETF	732.14	733.1	731.7	731.91	1343121.0
2026-08-13 11:30:00	QQQ	ETF	731.92	732.125	729.86	730.14	1357228.0
2026-08-13 12:00:00	QQQ	ETF	730.15	731.88	730.11	731.83	872391.0
2026-08-13 12:30:00	QQQ	ETF	731.84	732.24	731.4001	731.975	617453.0

> showing 50 of 45,878 rows — these rows as CSV

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