PREVIEW / etf_30min / 2026-03-27
file: by_date/etf_30min/2026/2026-03-27.parquet size: 976 KB rows: 41,983
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 |
|---|---|---|---|---|---|---|---|
| 2026-03-27 04:00:00 | SPY | ETF | 647.69 | 648.12 | 645.78 | 645.91 | 52332.0 |
| 2026-03-27 04:30:00 | SPY | ETF | 645.96 | 646.32 | 645.23 | 645.41 | 68038.0 |
| 2026-03-27 05:00:00 | SPY | ETF | 645.38 | 645.85 | 643.9 | 645.67 | 141118.0 |
| 2026-03-27 05:30:00 | SPY | ETF | 645.6 | 646.16 | 644.33 | 644.52 | 85767.0 |
| 2026-03-27 06:00:00 | SPY | ETF | 644.35 | 645.22 | 644.0 | 644.36 | 187333.0 |
| 2026-03-27 06:30:00 | SPY | ETF | 644.37 | 644.57 | 642.46 | 642.74 | 203379.0 |
| 2026-03-27 07:00:00 | SPY | ETF | 642.82 | 642.99 | 642.0 | 642.99 | 192687.0 |
| 2026-03-27 07:30:00 | SPY | ETF | 642.94 | 643.88 | 642.59 | 643.22 | 185592.0 |
| 2026-03-27 08:00:00 | SPY | ETF | 642.83 | 649.76 | 642.0656 | 642.84 | 429212.0 |
| 2026-03-27 08:30:00 | SPY | ETF | 642.88 | 643.01 | 641.78 | 642.13 | 276129.0 |
| 2026-03-27 09:00:00 | SPY | ETF | 642.15 | 642.732 | 641.0 | 642.54 | 523809.0 |
| 2026-03-27 09:30:00 | SPY | ETF | 642.525 | 642.66 | 638.594 | 639.05 | 8635492.0 |
| 2026-03-27 10:00:00 | SPY | ETF | 639.03 | 640.8 | 638.66 | 639.1 | 5911621.0 |
| 2026-03-27 10:30:00 | SPY | ETF | 639.1 | 640.588 | 638.3 | 640.19 | 4037739.0 |
| 2026-03-27 11:00:00 | SPY | ETF | 640.19 | 641.49 | 638.9401 | 640.96 | 5911103.0 |
| 2026-03-27 11:30:00 | SPY | ETF | 640.99 | 642.14 | 640.11 | 640.28 | 4222829.0 |
| 2026-03-27 12:00:00 | SPY | ETF | 640.3 | 640.43 | 638.58 | 638.89 | 3921563.0 |
| 2026-03-27 12:30:00 | SPY | ETF | 638.88 | 639.63 | 638.08 | 638.7 | 3925986.0 |
| 2026-03-27 13:00:00 | SPY | ETF | 638.7 | 639.93 | 636.59 | 636.62 | 5570017.0 |
| 2026-03-27 13:30:00 | SPY | ETF | 636.62 | 637.25 | 635.94 | 636.13 | 3965258.0 |
| 2026-03-27 14:00:00 | SPY | ETF | 636.1398 | 636.34 | 635.13 | 635.77 | 4945681.0 |
| 2026-03-27 14:30:00 | SPY | ETF | 635.765 | 636.73 | 635.2 | 635.38 | 4125425.0 |
| 2026-03-27 15:00:00 | SPY | ETF | 635.38 | 635.68 | 634.52 | 634.859 | 6323291.0 |
| 2026-03-27 15:30:00 | SPY | ETF | 634.86 | 635.35 | 633.105 | 634.08 | 14352695.0 |
| 2026-03-27 16:00:00 | SPY | ETF | 634.08 | 634.54 | 632.27 | 633.11 | 3175916.0 |
| 2026-03-27 16:30:00 | SPY | ETF | 633.1 | 633.5 | 632.78 | 633.11 | 530686.0 |
| 2026-03-27 17:00:00 | SPY | ETF | 633.11 | 633.5 | 633.05 | 633.11 | 247434.0 |
| 2026-03-27 17:30:00 | SPY | ETF | 633.1 | 633.8386 | 633.04 | 633.24 | 84175.0 |
| 2026-03-27 18:00:00 | SPY | ETF | 633.22 | 633.46 | 632.8 | 633.1291 | 36253.0 |
| 2026-03-27 18:30:00 | SPY | ETF | 633.13 | 633.2 | 632.8 | 632.9499 | 30693.0 |
| 2026-03-27 19:00:00 | SPY | ETF | 632.8525 | 632.99 | 632.61 | 632.9732 | 53158.0 |
| 2026-03-27 19:30:00 | SPY | ETF | 632.72 | 633.19 | 632.6701 | 632.98 | 48137.0 |
| 2026-03-27 04:00:00 | QQQ | ETF | 575.19 | 576.56 | 574.15 | 574.19 | 187970.0 |
| 2026-03-27 04:30:00 | QQQ | ETF | 574.38 | 574.8 | 573.6 | 573.91 | 114574.0 |
| 2026-03-27 05:00:00 | QQQ | ETF | 573.91 | 574.26 | 572.16 | 574.04 | 128000.0 |
| 2026-03-27 05:30:00 | QQQ | ETF | 574.1 | 574.6 | 572.66 | 572.76 | 86231.0 |
| 2026-03-27 06:00:00 | QQQ | ETF | 572.84 | 573.47 | 572.43 | 572.63 | 113924.0 |
| 2026-03-27 06:30:00 | QQQ | ETF | 572.64 | 572.85 | 570.27 | 570.65 | 157301.0 |
| 2026-03-27 07:00:00 | QQQ | ETF | 570.65 | 570.88 | 569.72 | 570.71 | 194291.0 |
| 2026-03-27 07:30:00 | QQQ | ETF | 570.8 | 571.599 | 570.41 | 571.01 | 105440.0 |
| 2026-03-27 08:00:00 | QQQ | ETF | 570.44 | 578.4 | 569.75 | 570.7 | 669109.0 |
| 2026-03-27 08:30:00 | QQQ | ETF | 570.71 | 570.8 | 569.44 | 569.83 | 309001.0 |
| 2026-03-27 09:00:00 | QQQ | ETF | 569.82 | 571.02 | 568.88 | 570.82 | 505293.0 |
| 2026-03-27 09:30:00 | QQQ | ETF | 570.8 | 571.02 | 566.4 | 566.71 | 9550278.0 |
| 2026-03-27 10:00:00 | QQQ | ETF | 566.71 | 568.47 | 566.15 | 566.53 | 6223666.0 |
| 2026-03-27 10:30:00 | QQQ | ETF | 566.52 | 567.985 | 565.66 | 567.36 | 4451188.0 |
| 2026-03-27 11:00:00 | QQQ | ETF | 567.35 | 568.69 | 566.09 | 568.45 | 5169598.0 |
| 2026-03-27 11:30:00 | QQQ | ETF | 568.46 | 569.71 | 567.56 | 568.2934 | 5013321.0 |
| 2026-03-27 12:00:00 | QQQ | ETF | 568.3 | 568.46 | 566.47 | 566.67 | 3805730.0 |
| 2026-03-27 12:30:00 | QQQ | ETF | 566.67 | 567.415 | 565.74 | 566.45 | 2824121.0 |
> showing 50 of 41,983 rows — these rows as CSV