PREVIEW / etf_30min / 2025-05-21
file: by_date/etf_30min/2025/2025-05-21.parquet size: 981 KB rows: 40,549
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 |
|---|---|---|---|---|---|---|---|
| 2025-05-21 04:00:00 | SPY | ETF | 590.25 | 590.88 | 589.76 | 589.91 | 26982.0 |
| 2025-05-21 04:30:00 | SPY | ETF | 589.86 | 589.86 | 589.09 | 589.68 | 24652.0 |
| 2025-05-21 05:00:00 | SPY | ETF | 589.77 | 590.04 | 589.24 | 589.26 | 14751.0 |
| 2025-05-21 05:30:00 | SPY | ETF | 589.28 | 589.32 | 588.37 | 588.55 | 19255.0 |
| 2025-05-21 06:00:00 | SPY | ETF | 588.58 | 588.58 | 587.6 | 587.96 | 61700.0 |
| 2025-05-21 06:30:00 | SPY | ETF | 588.0 | 589.02 | 587.99 | 589.02 | 79889.0 |
| 2025-05-21 07:00:00 | SPY | ETF | 589.05 | 590.0 | 589.0 | 589.88 | 69959.0 |
| 2025-05-21 07:30:00 | SPY | ETF | 589.83 | 590.44 | 589.6 | 590.159 | 66907.0 |
| 2025-05-21 08:00:00 | SPY | ETF | 589.08 | 591.25 | 587.7896 | 589.79 | 213591.0 |
| 2025-05-21 08:30:00 | SPY | ETF | 589.75 | 589.75 | 588.74 | 589.33 | 130811.0 |
| 2025-05-21 09:00:00 | SPY | ETF | 589.4 | 589.44 | 587.94 | 588.45 | 259195.0 |
| 2025-05-21 09:30:00 | SPY | ETF | 588.47 | 590.5102 | 588.42 | 589.84 | 5434630.0 |
| 2025-05-21 10:00:00 | SPY | ETF | 589.84 | 591.43 | 589.585 | 589.62 | 4052870.0 |
| 2025-05-21 10:30:00 | SPY | ETF | 589.63 | 590.7 | 588.87 | 590.65 | 2699502.0 |
| 2025-05-21 11:00:00 | SPY | ETF | 590.66 | 592.24 | 590.37 | 591.79 | 3436613.0 |
| 2025-05-21 11:30:00 | SPY | ETF | 591.77 | 592.19 | 591.25 | 591.74 | 2100651.0 |
| 2025-05-21 12:00:00 | SPY | ETF | 591.73 | 592.295 | 591.42 | 591.7896 | 2133161.0 |
| 2025-05-21 12:30:00 | SPY | ETF | 591.8 | 592.58 | 591.56 | 591.61 | 2288852.0 |
| 2025-05-21 13:00:00 | SPY | ETF | 591.62 | 591.79 | 584.55 | 584.69 | 8201046.0 |
| 2025-05-21 13:30:00 | SPY | ETF | 584.7 | 587.76 | 583.79 | 586.1665 | 8323739.0 |
| 2025-05-21 14:00:00 | SPY | ETF | 586.16 | 586.39 | 584.15 | 585.26 | 3730378.0 |
| 2025-05-21 14:30:00 | SPY | ETF | 585.28 | 586.28 | 583.78 | 584.02 | 3560115.0 |
| 2025-05-21 15:00:00 | SPY | ETF | 584.03 | 584.6062 | 581.82 | 582.25 | 6004106.0 |
| 2025-05-21 15:30:00 | SPY | ETF | 582.26 | 584.62 | 582.26 | 582.96 | 11085526.0 |
| 2025-05-21 16:00:00 | SPY | ETF | 582.98 | 583.214 | 582.2 | 582.61 | 3948378.0 |
| 2025-05-21 16:30:00 | SPY | ETF | 582.71 | 583.05 | 582.61 | 582.9 | 114012.0 |
| 2025-05-21 17:00:00 | SPY | ETF | 582.92 | 583.26 | 582.74 | 583.0702 | 123363.0 |
| 2025-05-21 17:30:00 | SPY | ETF | 583.15 | 583.15 | 582.9 | 582.9 | 21948.0 |
| 2025-05-21 18:00:00 | SPY | ETF | 582.9 | 583.59 | 582.25 | 582.9 | 120326.0 |
| 2025-05-21 18:30:00 | SPY | ETF | 582.86 | 583.06 | 582.701 | 582.89 | 25784.0 |
| 2025-05-21 19:00:00 | SPY | ETF | 582.8 | 583.5994 | 582.7101 | 583.33 | 35125.0 |
| 2025-05-21 19:30:00 | SPY | ETF | 583.309 | 583.31 | 582.97 | 583.111 | 15625.0 |
| 2025-05-21 04:00:00 | QQQ | ETF | 517.79 | 517.93 | 517.2 | 517.39 | 27626.0 |
| 2025-05-21 04:30:00 | QQQ | ETF | 517.32 | 517.34 | 516.6 | 517.32 | 37445.0 |
| 2025-05-21 05:00:00 | QQQ | ETF | 517.33 | 517.64 | 516.87 | 516.87 | 14593.0 |
| 2025-05-21 05:30:00 | QQQ | ETF | 516.8 | 516.97 | 516.0 | 516.09 | 22612.0 |
| 2025-05-21 06:00:00 | QQQ | ETF | 516.16 | 516.16 | 515.0 | 515.53 | 94362.0 |
| 2025-05-21 06:30:00 | QQQ | ETF | 515.6 | 516.8 | 515.57 | 516.73 | 56856.0 |
| 2025-05-21 07:00:00 | QQQ | ETF | 516.75 | 517.81 | 516.69 | 517.73 | 42179.0 |
| 2025-05-21 07:30:00 | QQQ | ETF | 517.66 | 518.4 | 517.36 | 517.77 | 61722.0 |
| 2025-05-21 08:00:00 | QQQ | ETF | 516.75 | 519.88 | 515.245 | 517.39 | 158786.0 |
| 2025-05-21 08:30:00 | QQQ | ETF | 517.3701 | 517.3701 | 516.44 | 517.07 | 76934.0 |
| 2025-05-21 09:00:00 | QQQ | ETF | 517.13 | 517.2 | 515.91 | 516.24 | 142163.0 |
| 2025-05-21 09:30:00 | QQQ | ETF | 516.29 | 519.3 | 516.21 | 518.57 | 4504396.0 |
| 2025-05-21 10:00:00 | QQQ | ETF | 518.57 | 520.08 | 518.3 | 518.81 | 3307704.0 |
| 2025-05-21 10:30:00 | QQQ | ETF | 518.8 | 520.59 | 518.53 | 520.5594 | 2531517.0 |
| 2025-05-21 11:00:00 | QQQ | ETF | 520.54 | 522.43 | 520.32 | 522.06 | 3326890.0 |
| 2025-05-21 11:30:00 | QQQ | ETF | 522.05 | 522.4 | 521.42 | 521.96 | 1936959.0 |
| 2025-05-21 12:00:00 | QQQ | ETF | 521.96 | 522.79 | 521.83 | 522.31 | 1975434.0 |
| 2025-05-21 12:30:00 | QQQ | ETF | 522.34 | 523.0 | 521.89 | 521.9699 | 1531261.0 |
> showing 50 of 40,549 rows — these rows as CSV