PREVIEW / etf_30min / 2026-05-28
file: by_date/etf_30min/2026/2026-05-28.parquet size: 1.1 MB rows: 46,590
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 |
|---|---|---|---|---|---|---|---|
| 2026-05-28 04:00:00 | SPY | ETF | 748.67 | 750.1 | 747.38 | 749.65 | 50527.0 |
| 2026-05-28 04:30:00 | SPY | ETF | 749.73 | 749.98 | 749.61 | 749.98 | 12840.0 |
| 2026-05-28 05:00:00 | SPY | ETF | 749.94 | 750.23 | 749.71 | 749.8 | 9667.0 |
| 2026-05-28 05:30:00 | SPY | ETF | 749.81 | 750.0 | 749.48 | 749.87 | 5676.0 |
| 2026-05-28 06:00:00 | SPY | ETF | 749.85 | 749.9 | 749.12 | 749.39 | 12292.0 |
| 2026-05-28 06:30:00 | SPY | ETF | 749.43 | 749.45 | 748.2 | 748.57 | 49638.0 |
| 2026-05-28 07:00:00 | SPY | ETF | 748.59 | 748.92 | 748.41 | 748.5 | 185578.0 |
| 2026-05-28 07:30:00 | SPY | ETF | 748.58 | 749.12 | 748.38 | 748.88 | 35316.0 |
| 2026-05-28 08:00:00 | SPY | ETF | 748.94 | 749.25 | 748.77 | 749.09 | 46629.0 |
| 2026-05-28 08:30:00 | SPY | ETF | 749.22 | 750.6196 | 749.2 | 750.52 | 140218.0 |
| 2026-05-28 09:00:00 | SPY | ETF | 750.56 | 751.08 | 750.2 | 750.23 | 122382.0 |
| 2026-05-28 09:30:00 | SPY | ETF | 750.25 | 750.42 | 749.23 | 750.17 | 2820299.0 |
| 2026-05-28 10:00:00 | SPY | ETF | 750.2 | 754.07 | 749.99 | 752.72 | 4326796.0 |
| 2026-05-28 10:30:00 | SPY | ETF | 752.74 | 752.98 | 751.73 | 752.8799 | 1668827.0 |
| 2026-05-28 11:00:00 | SPY | ETF | 752.87 | 754.14 | 752.75 | 753.94 | 1944435.0 |
| 2026-05-28 11:30:00 | SPY | ETF | 753.95 | 754.29 | 753.7801 | 754.08 | 1169702.0 |
| 2026-05-28 12:00:00 | SPY | ETF | 754.08 | 754.8501 | 753.69 | 754.38 | 1127782.0 |
| 2026-05-28 12:30:00 | SPY | ETF | 754.3999 | 754.8 | 754.07 | 754.72 | 947013.0 |
| 2026-05-28 13:00:00 | SPY | ETF | 754.73 | 754.87 | 754.12 | 754.265 | 949408.0 |
| 2026-05-28 13:30:00 | SPY | ETF | 754.27 | 754.93 | 754.1 | 754.7 | 1304019.0 |
| 2026-05-28 14:00:00 | SPY | ETF | 754.68 | 754.89 | 754.4 | 754.78 | 1396554.0 |
| 2026-05-28 14:30:00 | SPY | ETF | 754.76 | 754.76 | 754.18 | 754.24 | 1594699.0 |
| 2026-05-28 15:00:00 | SPY | ETF | 754.22 | 754.78 | 754.11 | 754.76 | 1432018.0 |
| 2026-05-28 15:30:00 | SPY | ETF | 754.76 | 755.15 | 754.45 | 754.64 | 5053772.0 |
| 2026-05-28 16:00:00 | SPY | ETF | 754.61 | 756.0 | 754.45 | 755.3703 | 2262294.0 |
| 2026-05-28 16:30:00 | SPY | ETF | 755.4 | 755.48 | 755.12 | 755.22 | 177939.0 |
| 2026-05-28 17:00:00 | SPY | ETF | 755.22 | 755.45 | 755.0 | 755.35 | 85183.0 |
| 2026-05-28 17:30:00 | SPY | ETF | 755.24 | 755.33 | 755.15 | 755.15 | 63703.0 |
| 2026-05-28 18:00:00 | SPY | ETF | 755.3 | 755.65 | 755.0 | 755.03 | 72046.0 |
| 2026-05-28 18:30:00 | SPY | ETF | 755.1 | 755.32 | 754.96 | 755.031 | 14925.0 |
| 2026-05-28 19:00:00 | SPY | ETF | 755.09 | 755.5 | 755.09 | 755.33 | 20554.0 |
| 2026-05-28 19:30:00 | SPY | ETF | 755.25 | 755.3 | 754.94 | 755.1 | 18438.0 |
| 2026-05-28 04:00:00 | QQQ | ETF | 727.0 | 728.25 | 722.76 | 727.58 | 256894.0 |
| 2026-05-28 04:30:00 | QQQ | ETF | 727.56 | 728.05 | 727.39 | 728.01 | 59505.0 |
| 2026-05-28 05:00:00 | QQQ | ETF | 727.99 | 728.32 | 727.61 | 727.66 | 34845.0 |
| 2026-05-28 05:30:00 | QQQ | ETF | 727.6 | 727.9 | 726.9772 | 727.71 | 42855.0 |
| 2026-05-28 06:00:00 | QQQ | ETF | 727.82 | 727.83 | 726.31 | 726.76 | 41952.0 |
| 2026-05-28 06:30:00 | QQQ | ETF | 726.75 | 726.88 | 725.33 | 725.6213 | 82185.0 |
| 2026-05-28 07:00:00 | QQQ | ETF | 725.629 | 726.26 | 725.27 | 725.78 | 135079.0 |
| 2026-05-28 07:30:00 | QQQ | ETF | 725.88 | 726.95 | 725.6 | 726.57 | 101462.0 |
| 2026-05-28 08:00:00 | QQQ | ETF | 726.57 | 727.49 | 726.54 | 727.36 | 91588.0 |
| 2026-05-28 08:30:00 | QQQ | ETF | 727.23 | 730.02 | 727.12 | 729.74 | 336987.0 |
| 2026-05-28 09:00:00 | QQQ | ETF | 729.86 | 730.7 | 729.15 | 729.7 | 226060.0 |
| 2026-05-28 09:30:00 | QQQ | ETF | 729.73 | 731.12 | 726.41 | 728.12 | 4067734.0 |
| 2026-05-28 10:00:00 | QQQ | ETF | 728.12 | 732.85 | 727.4701 | 731.9298 | 3686584.0 |
| 2026-05-28 10:30:00 | QQQ | ETF | 731.93 | 732.94 | 730.92 | 732.857 | 1494572.0 |
| 2026-05-28 11:00:00 | QQQ | ETF | 732.85 | 734.985 | 732.6914 | 734.67 | 2059360.0 |
| 2026-05-28 11:30:00 | QQQ | ETF | 734.69 | 735.41 | 734.38 | 734.71 | 1566910.0 |
| 2026-05-28 12:00:00 | QQQ | ETF | 734.7201 | 736.0 | 734.1001 | 735.64 | 1092050.0 |
| 2026-05-28 12:30:00 | QQQ | ETF | 735.645 | 736.3 | 735.07 | 736.225 | 717437.0 |
> showing 50 of 46,590 rows — these rows as CSV