PREVIEW / etf_30min / 2026-07-27
file: by_date/etf_30min/2026/2026-07-27.parquet size: 1.0 MB rows: 46,667
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 |
|---|---|---|---|---|---|---|---|
| 2026-07-27 04:00:00 | SPY | ETF | 744.23 | 746.0 | 744.1 | 745.6283 | 47445.0 |
| 2026-07-27 04:30:00 | SPY | ETF | 745.67 | 746.11 | 745.55 | 746.02 | 27426.0 |
| 2026-07-27 05:00:00 | SPY | ETF | 746.04 | 746.09 | 745.78 | 745.93 | 5308.0 |
| 2026-07-27 05:30:00 | SPY | ETF | 745.89 | 746.53 | 745.8 | 746.39 | 14465.0 |
| 2026-07-27 06:00:00 | SPY | ETF | 746.35 | 746.43 | 746.0 | 746.25 | 16193.0 |
| 2026-07-27 06:30:00 | SPY | ETF | 746.23 | 746.53 | 746.1 | 746.3 | 74508.0 |
| 2026-07-27 07:00:00 | SPY | ETF | 746.28 | 746.33 | 744.93 | 744.99 | 89373.0 |
| 2026-07-27 07:30:00 | SPY | ETF | 745.11 | 745.6 | 745.05 | 745.36 | 68455.0 |
| 2026-07-27 08:00:00 | SPY | ETF | 745.53 | 745.65 | 744.62 | 745.0 | 42591.0 |
| 2026-07-27 08:30:00 | SPY | ETF | 744.96 | 745.53 | 744.83 | 745.4 | 86680.0 |
| 2026-07-27 09:00:00 | SPY | ETF | 745.46 | 745.63 | 744.83 | 744.9 | 202916.0 |
| 2026-07-27 09:30:00 | SPY | ETF | 744.87 | 745.53 | 741.6 | 741.6 | 3625862.0 |
| 2026-07-27 10:00:00 | SPY | ETF | 741.6 | 742.13 | 738.2 | 738.315 | 3653512.0 |
| 2026-07-27 10:30:00 | SPY | ETF | 738.33 | 739.88 | 736.54 | 739.6901 | 3482136.0 |
| 2026-07-27 11:00:00 | SPY | ETF | 739.72 | 740.31 | 737.88 | 738.29 | 2003290.0 |
| 2026-07-27 11:30:00 | SPY | ETF | 738.27 | 738.27 | 736.335 | 737.485 | 1437116.0 |
| 2026-07-27 12:00:00 | SPY | ETF | 737.4925 | 739.68 | 736.86 | 738.72 | 1661090.0 |
| 2026-07-27 12:30:00 | SPY | ETF | 738.72 | 739.35 | 736.64 | 737.057 | 974577.0 |
| 2026-07-27 13:00:00 | SPY | ETF | 737.07 | 737.1 | 735.87 | 736.2 | 1321716.0 |
| 2026-07-27 13:30:00 | SPY | ETF | 736.22 | 737.85 | 736.18 | 737.8 | 847229.0 |
| 2026-07-27 14:00:00 | SPY | ETF | 737.84 | 737.97 | 737.03 | 737.62 | 1133148.0 |
| 2026-07-27 14:30:00 | SPY | ETF | 737.64 | 739.25 | 736.62 | 739.06 | 1969240.0 |
| 2026-07-27 15:00:00 | SPY | ETF | 739.06 | 739.77 | 738.49 | 739.65 | 1725562.0 |
| 2026-07-27 15:30:00 | SPY | ETF | 739.65 | 739.85 | 738.5 | 739.02 | 4802767.0 |
| 2026-07-27 16:00:00 | SPY | ETF | 739.08 | 739.53 | 738.67 | 738.96 | 1507191.0 |
| 2026-07-27 16:30:00 | SPY | ETF | 739.02 | 739.81 | 738.96 | 739.41 | 181533.0 |
| 2026-07-27 17:00:00 | SPY | ETF | 739.4 | 739.5987 | 739.27 | 739.41 | 23816.0 |
| 2026-07-27 17:30:00 | SPY | ETF | 739.4 | 739.55 | 739.33 | 739.34 | 17737.0 |
| 2026-07-27 18:00:00 | SPY | ETF | 739.6 | 739.7 | 738.6 | 738.64 | 57531.0 |
| 2026-07-27 18:30:00 | SPY | ETF | 738.7 | 738.97 | 738.59 | 738.63 | 12779.0 |
| 2026-07-27 19:00:00 | SPY | ETF | 738.62 | 738.99 | 738.17 | 738.99 | 17037.0 |
| 2026-07-27 19:30:00 | SPY | ETF | 738.96 | 739.1 | 738.4 | 738.87 | 14021.0 |
| 2026-07-27 04:00:00 | QQQ | ETF | 692.23 | 695.05 | 691.9 | 694.8 | 176307.0 |
| 2026-07-27 04:30:00 | QQQ | ETF | 694.8495 | 695.52 | 694.45 | 695.22 | 65869.0 |
| 2026-07-27 05:00:00 | QQQ | ETF | 695.19 | 695.29 | 694.89 | 695.04 | 21270.0 |
| 2026-07-27 05:30:00 | QQQ | ETF | 694.91 | 695.89 | 694.84 | 695.51 | 38238.0 |
| 2026-07-27 06:00:00 | QQQ | ETF | 695.54 | 695.65 | 695.03 | 695.24 | 44368.0 |
| 2026-07-27 06:30:00 | QQQ | ETF | 695.32 | 695.66 | 695.0 | 695.3933 | 43181.0 |
| 2026-07-27 07:00:00 | QQQ | ETF | 695.331 | 695.4 | 693.18 | 693.25 | 106906.0 |
| 2026-07-27 07:30:00 | QQQ | ETF | 693.2576 | 693.94 | 693.21 | 693.7 | 101541.0 |
| 2026-07-27 08:00:00 | QQQ | ETF | 693.73 | 694.31 | 683.717 | 693.19 | 102085.0 |
| 2026-07-27 08:30:00 | QQQ | ETF | 693.18 | 694.19 | 692.74 | 694.09 | 130180.0 |
| 2026-07-27 09:00:00 | QQQ | ETF | 694.14 | 694.4 | 691.65 | 691.69 | 266326.0 |
| 2026-07-27 09:30:00 | QQQ | ETF | 691.68 | 692.3 | 685.6728 | 685.8 | 3706718.0 |
| 2026-07-27 10:00:00 | QQQ | ETF | 685.83 | 686.37 | 679.22 | 679.46 | 4784750.0 |
| 2026-07-27 10:30:00 | QQQ | ETF | 679.45 | 681.74 | 675.945 | 681.47 | 4622332.0 |
| 2026-07-27 11:00:00 | QQQ | ETF | 681.52 | 682.16 | 678.53 | 679.12 | 2358908.0 |
| 2026-07-27 11:30:00 | QQQ | ETF | 679.18 | 679.41 | 676.91 | 678.88 | 1495584.0 |
| 2026-07-27 12:00:00 | QQQ | ETF | 678.92 | 682.34 | 678.46 | 681.12 | 1972765.0 |
| 2026-07-27 12:30:00 | QQQ | ETF | 681.11 | 682.13 | 678.05 | 678.54 | 1467391.0 |
> showing 50 of 46,667 rows — these rows as CSV