PREVIEW / etf_30min / 2026-07-29
file: by_date/etf_30min/2026/2026-07-29.parquet size: 1.1 MB rows: 48,276
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 |
|---|---|---|---|---|---|---|---|
| 2026-07-29 04:00:00 | SPY | ETF | 743.26 | 743.48 | 738.2 | 741.39 | 67139.0 |
| 2026-07-29 04:30:00 | SPY | ETF | 741.31 | 742.82 | 741.31 | 742.2614 | 11061.0 |
| 2026-07-29 05:00:00 | SPY | ETF | 742.38 | 742.62 | 742.22 | 742.27 | 8989.0 |
| 2026-07-29 05:30:00 | SPY | ETF | 742.33 | 743.44 | 742.05 | 742.91 | 22169.0 |
| 2026-07-29 06:00:00 | SPY | ETF | 742.75 | 743.06 | 742.39 | 742.75 | 40515.0 |
| 2026-07-29 06:30:00 | SPY | ETF | 742.76 | 742.85 | 741.9 | 741.92 | 21517.0 |
| 2026-07-29 07:00:00 | SPY | ETF | 742.04 | 742.7276 | 742.02 | 742.46 | 94367.0 |
| 2026-07-29 07:30:00 | SPY | ETF | 742.4463 | 742.55 | 742.0 | 742.25 | 63951.0 |
| 2026-07-29 08:00:00 | SPY | ETF | 742.36 | 742.42 | 740.0 | 740.25 | 133742.0 |
| 2026-07-29 08:30:00 | SPY | ETF | 740.2 | 740.98 | 739.9 | 740.65 | 128309.0 |
| 2026-07-29 09:00:00 | SPY | ETF | 740.67 | 740.81 | 739.54 | 739.97 | 281259.0 |
| 2026-07-29 09:30:00 | SPY | ETF | 739.97 | 740.39 | 736.61 | 737.36 | 3353198.0 |
| 2026-07-29 10:00:00 | SPY | ETF | 737.43 | 738.33 | 734.26 | 734.92 | 3108324.0 |
| 2026-07-29 10:30:00 | SPY | ETF | 734.91 | 735.84 | 733.79 | 734.82 | 2467535.0 |
| 2026-07-29 11:00:00 | SPY | ETF | 734.82 | 735.66 | 734.35 | 734.42 | 1638201.0 |
| 2026-07-29 11:30:00 | SPY | ETF | 734.44 | 734.99 | 733.02 | 733.73 | 1353340.0 |
| 2026-07-29 12:00:00 | SPY | ETF | 733.76 | 734.03 | 731.73 | 733.85 | 2050173.0 |
| 2026-07-29 12:30:00 | SPY | ETF | 733.84 | 734.87 | 732.88 | 734.87 | 1531968.0 |
| 2026-07-29 13:00:00 | SPY | ETF | 734.88 | 737.24 | 734.74 | 735.74 | 2022934.0 |
| 2026-07-29 13:30:00 | SPY | ETF | 735.75 | 736.42 | 735.27 | 736.4074 | 1393110.0 |
| 2026-07-29 14:00:00 | SPY | ETF | 736.37 | 739.55 | 736.3183 | 737.31 | 3728433.0 |
| 2026-07-29 14:30:00 | SPY | ETF | 737.36 | 742.68 | 735.95 | 741.95 | 3908361.0 |
| 2026-07-29 15:00:00 | SPY | ETF | 741.945 | 742.59 | 734.2806 | 735.15 | 4618631.0 |
| 2026-07-29 15:30:00 | SPY | ETF | 735.21 | 735.74 | 729.1 | 729.51 | 13816550.0 |
| 2026-07-29 16:00:00 | SPY | ETF | 729.53 | 730.2 | 725.98 | 727.6 | 3781186.0 |
| 2026-07-29 16:30:00 | SPY | ETF | 727.56 | 729.14 | 727.02 | 728.11 | 483411.0 |
| 2026-07-29 17:00:00 | SPY | ETF | 728.11 | 737.2756 | 727.5 | 728.07 | 648861.0 |
| 2026-07-29 17:30:00 | SPY | ETF | 728.1 | 728.17 | 726.68 | 727.89 | 93175.0 |
| 2026-07-29 18:00:00 | SPY | ETF | 727.94 | 732.04 | 727.75 | 731.7364 | 199025.0 |
| 2026-07-29 18:30:00 | SPY | ETF | 731.69 | 732.06 | 731.16 | 731.257 | 72662.0 |
| 2026-07-29 19:00:00 | SPY | ETF | 731.6 | 732.48 | 731.52 | 732.29 | 46019.0 |
| 2026-07-29 19:30:00 | SPY | ETF | 732.41 | 733.0 | 732.06 | 732.4 | 47932.0 |
| 2026-07-29 04:00:00 | QQQ | ETF | 676.2 | 676.53 | 668.95 | 673.4469 | 325440.0 |
| 2026-07-29 04:30:00 | QQQ | ETF | 673.7 | 676.08 | 673.46 | 675.1 | 59311.0 |
| 2026-07-29 05:00:00 | QQQ | ETF | 675.43 | 677.22 | 675.05 | 676.74 | 208860.0 |
| 2026-07-29 05:30:00 | QQQ | ETF | 677.1 | 678.98 | 676.52 | 678.03 | 57094.0 |
| 2026-07-29 06:00:00 | QQQ | ETF | 678.03 | 678.46 | 677.26 | 677.95 | 72375.0 |
| 2026-07-29 06:30:00 | QQQ | ETF | 678.0 | 678.01 | 675.92 | 676.15 | 76352.0 |
| 2026-07-29 07:00:00 | QQQ | ETF | 676.38 | 678.09 | 676.01 | 677.59 | 102379.0 |
| 2026-07-29 07:30:00 | QQQ | ETF | 677.54 | 677.71 | 676.55 | 677.61 | 61522.0 |
| 2026-07-29 08:00:00 | QQQ | ETF | 677.6 | 677.7 | 673.99 | 674.6424 | 251521.0 |
| 2026-07-29 08:30:00 | QQQ | ETF | 674.36 | 675.89 | 673.8124 | 675.33 | 147083.0 |
| 2026-07-29 09:00:00 | QQQ | ETF | 675.32 | 676.1 | 674.11 | 675.49 | 238459.0 |
| 2026-07-29 09:30:00 | QQQ | ETF | 675.505 | 677.46 | 669.56 | 671.1899 | 4020716.0 |
| 2026-07-29 10:00:00 | QQQ | ETF | 671.19 | 673.4 | 666.485 | 667.28 | 2840136.0 |
| 2026-07-29 10:30:00 | QQQ | ETF | 667.27 | 669.2 | 665.76 | 668.0 | 2423150.0 |
| 2026-07-29 11:00:00 | QQQ | ETF | 667.99 | 669.3 | 666.7 | 666.83 | 1300542.0 |
| 2026-07-29 11:30:00 | QQQ | ETF | 666.88 | 667.81 | 664.64 | 665.93 | 1654804.0 |
| 2026-07-29 12:00:00 | QQQ | ETF | 665.93 | 666.85 | 663.28 | 666.74 | 2173337.0 |
| 2026-07-29 12:30:00 | QQQ | ETF | 666.7 | 668.0 | 665.15 | 667.96 | 1655688.0 |
> showing 50 of 48,276 rows — these rows as CSV