PREVIEW / etf_30min / 2025-07-25
file: by_date/etf_30min/2025/2025-07-25.parquet size: 976 KB rows: 39,525
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 |
|---|---|---|---|---|---|---|---|
| 2025-07-25 04:00:00 | SPY | ETF | 635.01 | 635.19 | 634.71 | 635.11 | 17670.0 |
| 2025-07-25 04:30:00 | SPY | ETF | 635.26 | 635.37 | 635.16 | 635.17 | 26639.0 |
| 2025-07-25 05:00:00 | SPY | ETF | 635.18 | 635.18 | 634.94 | 635.18 | 2662.0 |
| 2025-07-25 05:30:00 | SPY | ETF | 635.25 | 635.38 | 635.15 | 635.3 | 12848.0 |
| 2025-07-25 06:00:00 | SPY | ETF | 635.26 | 635.31 | 635.15 | 635.3 | 5086.0 |
| 2025-07-25 06:30:00 | SPY | ETF | 635.33 | 635.56 | 635.29 | 635.44 | 8513.0 |
| 2025-07-25 07:00:00 | SPY | ETF | 635.48 | 635.48 | 635.25 | 635.33 | 10025.0 |
| 2025-07-25 07:30:00 | SPY | ETF | 635.33 | 635.33 | 635.0 | 635.16 | 29313.0 |
| 2025-07-25 08:00:00 | SPY | ETF | 635.28 | 636.4 | 634.92 | 635.35 | 90139.0 |
| 2025-07-25 08:30:00 | SPY | ETF | 635.37 | 635.55 | 635.24 | 635.28 | 109129.0 |
| 2025-07-25 09:00:00 | SPY | ETF | 635.27 | 635.39 | 634.78 | 635.07 | 427247.0 |
| 2025-07-25 09:30:00 | SPY | ETF | 635.06 | 635.6 | 634.84 | 635.24 | 3897936.0 |
| 2025-07-25 10:00:00 | SPY | ETF | 635.25 | 635.61 | 634.87 | 635.47 | 2699884.0 |
| 2025-07-25 10:30:00 | SPY | ETF | 635.47 | 636.13 | 635.29 | 635.825 | 2939381.0 |
| 2025-07-25 11:00:00 | SPY | ETF | 635.81 | 636.095 | 635.7 | 636.02 | 1740347.0 |
| 2025-07-25 11:30:00 | SPY | ETF | 636.02 | 636.08 | 635.61 | 635.93 | 1577038.0 |
| 2025-07-25 12:00:00 | SPY | ETF | 635.93 | 636.93 | 635.79 | 636.76 | 3032531.0 |
| 2025-07-25 12:30:00 | SPY | ETF | 636.76 | 636.96 | 636.6 | 636.845 | 1823362.0 |
| 2025-07-25 13:00:00 | SPY | ETF | 636.845 | 637.13 | 636.67 | 637.0452 | 1514342.0 |
| 2025-07-25 13:30:00 | SPY | ETF | 637.05 | 637.36 | 637.045 | 637.1314 | 1899244.0 |
| 2025-07-25 14:00:00 | SPY | ETF | 637.132 | 637.53 | 636.97 | 637.33 | 2165531.0 |
| 2025-07-25 14:30:00 | SPY | ETF | 637.33 | 637.54 | 637.19 | 637.195 | 1702036.0 |
| 2025-07-25 15:00:00 | SPY | ETF | 637.19 | 637.5799 | 637.175 | 637.34 | 2261623.0 |
| 2025-07-25 15:30:00 | SPY | ETF | 637.33 | 637.49 | 636.625 | 637.03 | 8506849.0 |
| 2025-07-25 16:00:00 | SPY | ETF | 637.02 | 637.1 | 636.6 | 637.06 | 2536289.0 |
| 2025-07-25 16:30:00 | SPY | ETF | 637.02 | 637.3846 | 637.0 | 637.25 | 391147.0 |
| 2025-07-25 17:00:00 | SPY | ETF | 637.18 | 637.28 | 637.07 | 637.26 | 62189.0 |
| 2025-07-25 17:30:00 | SPY | ETF | 637.23 | 637.27 | 637.08 | 637.2699 | 12867.0 |
| 2025-07-25 18:00:00 | SPY | ETF | 637.3 | 637.35 | 637.26 | 637.35 | 10148.0 |
| 2025-07-25 18:30:00 | SPY | ETF | 637.26 | 637.35 | 637.2501 | 637.35 | 1490.0 |
| 2025-07-25 19:00:00 | SPY | ETF | 637.3298 | 637.39 | 637.31 | 637.39 | 4034.0 |
| 2025-07-25 19:30:00 | SPY | ETF | 637.4 | 637.5 | 637.35 | 637.4598 | 6219.0 |
| 2025-07-25 04:00:00 | QQQ | ETF | 565.08 | 565.3 | 564.79 | 565.2 | 14020.0 |
| 2025-07-25 04:30:00 | QQQ | ETF | 565.24 | 565.43 | 565.22 | 565.3 | 4678.0 |
| 2025-07-25 05:00:00 | QQQ | ETF | 565.27 | 565.27 | 564.86 | 565.13 | 15317.0 |
| 2025-07-25 05:30:00 | QQQ | ETF | 565.22 | 565.3 | 565.08 | 565.25 | 5650.0 |
| 2025-07-25 06:00:00 | QQQ | ETF | 565.26 | 565.37 | 565.19 | 565.28 | 5806.0 |
| 2025-07-25 06:30:00 | QQQ | ETF | 565.34 | 565.68 | 565.34 | 565.59 | 10611.0 |
| 2025-07-25 07:00:00 | QQQ | ETF | 565.62 | 565.63 | 565.23 | 565.38 | 13377.0 |
| 2025-07-25 07:30:00 | QQQ | ETF | 565.22 | 565.44 | 565.0 | 565.09 | 15015.0 |
| 2025-07-25 08:00:00 | QQQ | ETF | 565.33 | 566.55 | 564.587 | 565.37 | 118981.0 |
| 2025-07-25 08:30:00 | QQQ | ETF | 565.32 | 565.57 | 565.11 | 565.2299 | 49810.0 |
| 2025-07-25 09:00:00 | QQQ | ETF | 565.21 | 565.29 | 564.63 | 564.95 | 131029.0 |
| 2025-07-25 09:30:00 | QQQ | ETF | 564.93 | 566.11 | 564.27 | 565.652 | 3595988.0 |
| 2025-07-25 10:00:00 | QQQ | ETF | 565.68 | 566.31 | 565.53 | 566.03 | 1923115.0 |
| 2025-07-25 10:30:00 | QQQ | ETF | 566.03 | 566.37 | 565.66 | 566.02 | 1751681.0 |
| 2025-07-25 11:00:00 | QQQ | ETF | 566.02 | 566.43 | 565.73 | 566.355 | 1157416.0 |
| 2025-07-25 11:30:00 | QQQ | ETF | 566.35 | 566.54 | 565.95 | 566.3901 | 1084812.0 |
| 2025-07-25 12:00:00 | QQQ | ETF | 566.39 | 567.59 | 566.29 | 567.415 | 1930332.0 |
| 2025-07-25 12:30:00 | QQQ | ETF | 567.4 | 567.695 | 567.02 | 567.1 | 882688.0 |
> showing 50 of 39,525 rows — these rows as CSV