PREVIEW / etf_30min / 2026-03-31
file: by_date/etf_30min/2026/2026-03-31.parquet size: 1017 KB rows: 42,867
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 |
|---|---|---|---|---|---|---|---|
| 2026-03-31 04:00:00 | SPY | ETF | 638.81 | 638.84 | 635.53 | 637.61 | 135132.0 |
| 2026-03-31 04:30:00 | SPY | ETF | 637.4 | 637.76 | 636.8 | 637.37 | 84379.0 |
| 2026-03-31 05:00:00 | SPY | ETF | 637.34 | 638.19 | 637.31 | 637.45 | 18292.0 |
| 2026-03-31 05:30:00 | SPY | ETF | 637.5 | 637.85 | 636.8 | 637.05 | 38222.0 |
| 2026-03-31 06:00:00 | SPY | ETF | 637.15 | 637.76 | 636.99 | 637.3952 | 33384.0 |
| 2026-03-31 06:30:00 | SPY | ETF | 637.32 | 638.35 | 635.71 | 636.89 | 298650.0 |
| 2026-03-31 07:00:00 | SPY | ETF | 636.77 | 639.99 | 636.43 | 638.26 | 596504.0 |
| 2026-03-31 07:30:00 | SPY | ETF | 638.2 | 639.3 | 637.71 | 638.58 | 319912.0 |
| 2026-03-31 08:00:00 | SPY | ETF | 638.65 | 640.17 | 637.0 | 639.222 | 1150424.0 |
| 2026-03-31 08:30:00 | SPY | ETF | 639.23 | 640.06 | 638.61 | 638.66 | 363683.0 |
| 2026-03-31 09:00:00 | SPY | ETF | 638.73 | 639.5 | 638.32 | 638.93 | 445327.0 |
| 2026-03-31 09:30:00 | SPY | ETF | 638.94 | 642.71 | 638.31 | 642.63 | 10155810.0 |
| 2026-03-31 10:00:00 | SPY | ETF | 642.64 | 642.95 | 640.89 | 642.5 | 7073033.0 |
| 2026-03-31 10:30:00 | SPY | ETF | 642.48 | 642.65 | 637.98 | 638.68 | 7039055.0 |
| 2026-03-31 11:00:00 | SPY | ETF | 638.69 | 642.29 | 638.67 | 640.68 | 7182291.0 |
| 2026-03-31 11:30:00 | SPY | ETF | 640.68 | 641.29 | 639.69 | 639.79 | 4238908.0 |
| 2026-03-31 12:00:00 | SPY | ETF | 639.79 | 642.63 | 639.52 | 642.12 | 3940243.0 |
| 2026-03-31 12:30:00 | SPY | ETF | 642.11 | 649.46 | 641.65 | 646.64 | 15900779.0 |
| 2026-03-31 13:00:00 | SPY | ETF | 646.66 | 648.55 | 645.44 | 647.0 | 6363894.0 |
| 2026-03-31 13:30:00 | SPY | ETF | 647.03 | 648.41 | 646.14 | 646.415 | 6380335.0 |
| 2026-03-31 14:00:00 | SPY | ETF | 646.41 | 648.24 | 646.39 | 647.7 | 4921862.0 |
| 2026-03-31 14:30:00 | SPY | ETF | 647.71 | 648.9 | 647.2 | 648.64 | 4969122.0 |
| 2026-03-31 15:00:00 | SPY | ETF | 648.64 | 649.91 | 648.0 | 649.402 | 6983128.0 |
| 2026-03-31 15:30:00 | SPY | ETF | 649.42 | 651.54 | 649.32 | 650.235 | 19944495.0 |
| 2026-03-31 16:00:00 | SPY | ETF | 650.22 | 650.89 | 649.36 | 650.8 | 6602472.0 |
| 2026-03-31 16:30:00 | SPY | ETF | 650.7922 | 650.86 | 649.81 | 650.02 | 767325.0 |
| 2026-03-31 17:00:00 | SPY | ETF | 650.01 | 650.2 | 649.95 | 649.97 | 126377.0 |
| 2026-03-31 17:30:00 | SPY | ETF | 649.97 | 650.05 | 649.52 | 649.82 | 105874.0 |
| 2026-03-31 18:00:00 | SPY | ETF | 649.8 | 650.94 | 649.47 | 650.6082 | 601457.0 |
| 2026-03-31 18:30:00 | SPY | ETF | 650.6322 | 650.82 | 650.15 | 650.4973 | 40673.0 |
| 2026-03-31 19:00:00 | SPY | ETF | 650.52 | 650.82 | 650.2 | 650.8 | 21236.0 |
| 2026-03-31 19:30:00 | SPY | ETF | 650.87 | 651.99 | 650.79 | 651.8343 | 100547.0 |
| 2026-03-31 04:00:00 | QQQ | ETF | 562.74 | 564.45 | 560.81 | 563.0 | 286779.0 |
| 2026-03-31 04:30:00 | QQQ | ETF | 562.95 | 563.22 | 562.19 | 562.5913 | 77049.0 |
| 2026-03-31 05:00:00 | QQQ | ETF | 562.57 | 563.5312 | 562.57 | 562.86 | 61552.0 |
| 2026-03-31 05:30:00 | QQQ | ETF | 562.8 | 563.18 | 562.22 | 562.49 | 85611.0 |
| 2026-03-31 06:00:00 | QQQ | ETF | 562.46 | 563.0805 | 562.26 | 562.72 | 46644.0 |
| 2026-03-31 06:30:00 | QQQ | ETF | 562.69 | 562.69 | 560.88 | 561.99 | 117346.0 |
| 2026-03-31 07:00:00 | QQQ | ETF | 561.93 | 564.65 | 561.47 | 563.48 | 391273.0 |
| 2026-03-31 07:30:00 | QQQ | ETF | 563.48 | 564.3 | 562.97 | 563.79 | 259246.0 |
| 2026-03-31 08:00:00 | QQQ | ETF | 563.98 | 565.33 | 557.862 | 564.79 | 528581.0 |
| 2026-03-31 08:30:00 | QQQ | ETF | 564.677 | 565.58 | 563.95 | 564.02 | 386305.0 |
| 2026-03-31 09:00:00 | QQQ | ETF | 564.1 | 564.8083 | 563.72 | 564.38 | 227477.0 |
| 2026-03-31 09:30:00 | QQQ | ETF | 564.29 | 568.83 | 564.23 | 568.755 | 8846427.0 |
| 2026-03-31 10:00:00 | QQQ | ETF | 568.74 | 569.05 | 567.02 | 568.74 | 5635022.0 |
| 2026-03-31 10:30:00 | QQQ | ETF | 568.74 | 569.21 | 564.21 | 564.97 | 5387829.0 |
| 2026-03-31 11:00:00 | QQQ | ETF | 564.98 | 568.54 | 564.96 | 566.9526 | 4570988.0 |
| 2026-03-31 11:30:00 | QQQ | ETF | 566.94 | 567.62 | 565.76 | 565.86 | 2781312.0 |
| 2026-03-31 12:00:00 | QQQ | ETF | 565.83 | 568.76 | 565.61 | 568.34 | 3093204.0 |
| 2026-03-31 12:30:00 | QQQ | ETF | 568.34 | 575.71 | 567.89 | 573.74 | 9678071.0 |
> showing 50 of 42,867 rows — these rows as CSV