PREVIEW / etf_30min / 2025-04-28
file: by_date/etf_30min/2025/2025-04-28.parquet size: 952 KB rows: 39,051
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 |
|---|---|---|---|---|---|---|---|
| 2025-04-28 04:00:00 | SPY | ETF | 548.92 | 549.23 | 548.56 | 548.77 | 28407.0 |
| 2025-04-28 04:30:00 | SPY | ETF | 549.05 | 549.78 | 548.77 | 549.7 | 5466.0 |
| 2025-04-28 05:00:00 | SPY | ETF | 549.78 | 550.33 | 549.39 | 550.33 | 8462.0 |
| 2025-04-28 05:30:00 | SPY | ETF | 550.42 | 550.62 | 550.08 | 550.08 | 5180.0 |
| 2025-04-28 06:00:00 | SPY | ETF | 550.02 | 550.07 | 549.06 | 549.5 | 13296.0 |
| 2025-04-28 06:30:00 | SPY | ETF | 549.61 | 549.9 | 548.83 | 549.07 | 13736.0 |
| 2025-04-28 07:00:00 | SPY | ETF | 549.02 | 549.9 | 548.77 | 549.82 | 52006.0 |
| 2025-04-28 07:30:00 | SPY | ETF | 549.8 | 550.41 | 549.71 | 550.02 | 53104.0 |
| 2025-04-28 08:00:00 | SPY | ETF | 549.11 | 550.31 | 547.39 | 550.21 | 349909.0 |
| 2025-04-28 08:30:00 | SPY | ETF | 550.26 | 551.09 | 550.17 | 550.97 | 129629.0 |
| 2025-04-28 09:00:00 | SPY | ETF | 550.84 | 551.97 | 550.8 | 551.42 | 195912.0 |
| 2025-04-28 09:30:00 | SPY | ETF | 551.39 | 553.55 | 550.13 | 550.29 | 4870745.0 |
| 2025-04-28 10:00:00 | SPY | ETF | 550.35 | 552.1 | 549.66 | 550.94 | 2437194.0 |
| 2025-04-28 10:30:00 | SPY | ETF | 550.95 | 551.88 | 549.74 | 550.53 | 1796652.0 |
| 2025-04-28 11:00:00 | SPY | ETF | 550.51 | 551.16 | 547.03 | 547.21 | 2653951.0 |
| 2025-04-28 11:30:00 | SPY | ETF | 547.2 | 548.5413 | 547.0934 | 547.48 | 2034312.0 |
| 2025-04-28 12:00:00 | SPY | ETF | 547.42 | 547.6338 | 545.7 | 546.02 | 1953049.0 |
| 2025-04-28 12:30:00 | SPY | ETF | 546.03 | 547.47 | 545.94 | 546.47 | 1578662.0 |
| 2025-04-28 13:00:00 | SPY | ETF | 546.46 | 546.85 | 545.18 | 545.37 | 1447377.0 |
| 2025-04-28 13:30:00 | SPY | ETF | 545.345 | 547.88 | 545.02 | 547.705 | 1446391.0 |
| 2025-04-28 14:00:00 | SPY | ETF | 547.72 | 548.83 | 547.3825 | 548.59 | 1708401.0 |
| 2025-04-28 14:30:00 | SPY | ETF | 548.56 | 549.04 | 547.97 | 548.73 | 1314418.0 |
| 2025-04-28 15:00:00 | SPY | ETF | 548.75 | 550.84 | 548.64 | 550.5924 | 2832938.0 |
| 2025-04-28 15:30:00 | SPY | ETF | 550.52 | 552.28 | 550.01 | 550.94 | 5543060.0 |
| 2025-04-28 16:00:00 | SPY | ETF | 550.94 | 551.1136 | 549.0189 | 550.23 | 2883912.0 |
| 2025-04-28 16:30:00 | SPY | ETF | 550.2 | 550.85 | 550.0902 | 550.18 | 135639.0 |
| 2025-04-28 17:00:00 | SPY | ETF | 550.3 | 550.3 | 550.0 | 550.0207 | 33440.0 |
| 2025-04-28 17:30:00 | SPY | ETF | 550.11 | 550.11 | 549.9 | 550.04 | 31104.0 |
| 2025-04-28 18:00:00 | SPY | ETF | 550.0 | 550.2985 | 549.57 | 549.86 | 57115.0 |
| 2025-04-28 18:30:00 | SPY | ETF | 549.76 | 550.22 | 549.5 | 550.0999 | 47716.0 |
| 2025-04-28 19:00:00 | SPY | ETF | 550.02 | 550.9 | 549.99 | 550.78 | 19995.0 |
| 2025-04-28 19:30:00 | SPY | ETF | 550.74 | 551.2073 | 550.74 | 551.1 | 40728.0 |
| 2025-04-28 04:00:00 | QQQ | ETF | 470.22 | 471.32 | 470.0 | 470.87 | 41500.0 |
| 2025-04-28 04:30:00 | QQQ | ETF | 470.83 | 471.93 | 470.68 | 471.88 | 26632.0 |
| 2025-04-28 05:00:00 | QQQ | ETF | 471.89 | 472.59 | 471.52 | 472.58 | 39536.0 |
| 2025-04-28 05:30:00 | QQQ | ETF | 472.62 | 472.81 | 472.29 | 472.29 | 23349.0 |
| 2025-04-28 06:00:00 | QQQ | ETF | 472.28 | 472.35 | 471.5 | 471.8 | 15348.0 |
| 2025-04-28 06:30:00 | QQQ | ETF | 471.79 | 472.3 | 471.1 | 471.29 | 25578.0 |
| 2025-04-28 07:00:00 | QQQ | ETF | 471.33 | 472.15 | 471.04 | 472.07 | 101876.0 |
| 2025-04-28 07:30:00 | QQQ | ETF | 472.0 | 472.62 | 472.0 | 472.2 | 32415.0 |
| 2025-04-28 08:00:00 | QQQ | ETF | 471.2 | 472.8296 | 469.48 | 472.2 | 185166.0 |
| 2025-04-28 08:30:00 | QQQ | ETF | 472.16 | 473.01 | 472.12 | 472.76 | 94318.0 |
| 2025-04-28 09:00:00 | QQQ | ETF | 472.73 | 473.5 | 472.66 | 473.01 | 222085.0 |
| 2025-04-28 09:30:00 | QQQ | ETF | 473.01 | 474.808 | 470.75 | 470.98 | 3452992.0 |
| 2025-04-28 10:00:00 | QQQ | ETF | 471.04 | 472.783 | 470.26 | 471.58 | 1772306.0 |
| 2025-04-28 10:30:00 | QQQ | ETF | 471.61 | 472.79 | 470.55 | 471.13 | 1280827.0 |
| 2025-04-28 11:00:00 | QQQ | ETF | 471.13 | 471.79 | 467.28 | 467.45 | 2252563.0 |
| 2025-04-28 11:30:00 | QQQ | ETF | 467.454 | 469.16 | 467.36 | 468.1688 | 1436551.0 |
| 2025-04-28 12:00:00 | QQQ | ETF | 468.09 | 468.32 | 466.2055 | 466.55 | 1657707.0 |
| 2025-04-28 12:30:00 | QQQ | ETF | 466.62 | 468.38 | 466.556 | 467.4401 | 1053250.0 |
> showing 50 of 39,051 rows — these rows as CSV