PREVIEW / etf_30min / 2025-12-18
file: by_date/etf_30min/2025/2025-12-18.parquet size: 1.1 MB rows: 45,358
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 |
|---|---|---|---|---|---|---|---|
| 2025-12-18 04:00:00 | SPY | ETF | 673.05 | 673.66 | 673.05 | 673.62 | 13669.0 |
| 2025-12-18 04:30:00 | SPY | ETF | 673.65 | 674.35 | 673.65 | 674.33 | 56580.0 |
| 2025-12-18 05:00:00 | SPY | ETF | 674.38 | 674.41 | 673.95 | 674.15 | 31807.0 |
| 2025-12-18 05:30:00 | SPY | ETF | 674.17 | 674.5 | 674.01 | 674.19 | 23869.0 |
| 2025-12-18 06:00:00 | SPY | ETF | 674.24 | 674.66 | 674.09 | 674.52 | 30825.0 |
| 2025-12-18 06:30:00 | SPY | ETF | 674.5 | 674.86 | 674.4 | 674.79 | 96032.0 |
| 2025-12-18 07:00:00 | SPY | ETF | 674.71 | 674.89 | 674.33 | 674.38 | 115859.0 |
| 2025-12-18 07:30:00 | SPY | ETF | 674.33 | 674.55 | 674.04 | 674.17 | 147385.0 |
| 2025-12-18 08:00:00 | SPY | ETF | 674.66 | 674.85 | 671.89 | 674.56 | 328243.0 |
| 2025-12-18 08:30:00 | SPY | ETF | 674.67 | 677.49 | 674.56 | 676.55 | 1051889.0 |
| 2025-12-18 09:00:00 | SPY | ETF | 676.51 | 677.67 | 676.48 | 677.62 | 369377.0 |
| 2025-12-18 09:30:00 | SPY | ETF | 677.6 | 678.59 | 675.69 | 678.06 | 10686159.0 |
| 2025-12-18 10:00:00 | SPY | ETF | 678.06 | 679.11 | 676.14 | 679.01 | 6523740.0 |
| 2025-12-18 10:30:00 | SPY | ETF | 679.01 | 680.6 | 678.68 | 680.03 | 6782506.0 |
| 2025-12-18 11:00:00 | SPY | ETF | 680.03 | 680.74 | 679.52 | 679.745 | 3658067.0 |
| 2025-12-18 11:30:00 | SPY | ETF | 679.74 | 680.71 | 679.325 | 679.56 | 3912485.0 |
| 2025-12-18 12:00:00 | SPY | ETF | 679.55 | 679.5707 | 674.9 | 675.78 | 9193253.0 |
| 2025-12-18 12:30:00 | SPY | ETF | 675.79 | 678.69 | 675.48 | 678.37 | 5770195.0 |
| 2025-12-18 13:00:00 | SPY | ETF | 678.36 | 679.09 | 677.58 | 678.825 | 3326640.0 |
| 2025-12-18 13:30:00 | SPY | ETF | 678.83 | 679.7 | 678.04 | 678.275 | 3554583.0 |
| 2025-12-18 14:00:00 | SPY | ETF | 678.23 | 678.31 | 676.59 | 677.15 | 5806322.0 |
| 2025-12-18 14:30:00 | SPY | ETF | 677.16 | 677.31 | 675.32 | 675.72 | 5008732.0 |
| 2025-12-18 15:00:00 | SPY | ETF | 675.71 | 677.85 | 675.45 | 677.63 | 6026338.0 |
| 2025-12-18 15:30:00 | SPY | ETF | 677.62 | 678.55 | 676.41 | 676.48 | 13155036.0 |
| 2025-12-18 16:00:00 | SPY | ETF | 676.48 | 676.6025 | 675.6 | 676.0 | 2447555.0 |
| 2025-12-18 16:30:00 | SPY | ETF | 675.98 | 676.5915 | 675.72 | 675.93 | 275698.0 |
| 2025-12-18 17:00:00 | SPY | ETF | 675.95 | 676.07 | 675.9 | 675.93 | 96772.0 |
| 2025-12-18 17:30:00 | SPY | ETF | 675.92 | 676.21 | 675.71 | 676.21 | 46543.0 |
| 2025-12-18 18:00:00 | SPY | ETF | 676.17 | 676.47 | 675.61 | 675.88 | 121758.0 |
| 2025-12-18 18:30:00 | SPY | ETF | 675.89 | 676.59 | 675.8 | 676.59 | 29431.0 |
| 2025-12-18 19:00:00 | SPY | ETF | 676.65 | 676.68 | 675.979 | 676.21 | 17914.0 |
| 2025-12-18 19:30:00 | SPY | ETF | 676.18 | 676.5 | 675.96 | 676.43 | 13970.0 |
| 2025-12-18 04:00:00 | QQQ | ETF | 603.98 | 604.71 | 603.0 | 604.39 | 92602.0 |
| 2025-12-18 04:30:00 | QQQ | ETF | 604.41 | 605.53 | 604.41 | 605.5 | 65978.0 |
| 2025-12-18 05:00:00 | QQQ | ETF | 605.5 | 605.54 | 604.8 | 605.22 | 46167.0 |
| 2025-12-18 05:30:00 | QQQ | ETF | 605.23 | 605.56 | 604.85 | 605.09 | 32934.0 |
| 2025-12-18 06:00:00 | QQQ | ETF | 605.12 | 605.61 | 604.99 | 605.33 | 45475.0 |
| 2025-12-18 06:30:00 | QQQ | ETF | 605.26 | 606.0 | 605.2 | 605.67 | 75128.0 |
| 2025-12-18 07:00:00 | QQQ | ETF | 605.66 | 605.91 | 605.38 | 605.51 | 74629.0 |
| 2025-12-18 07:30:00 | QQQ | ETF | 605.52 | 605.79 | 605.25 | 605.44 | 93861.0 |
| 2025-12-18 08:00:00 | QQQ | ETF | 605.45 | 605.99 | 602.11 | 605.74 | 417884.0 |
| 2025-12-18 08:30:00 | QQQ | ETF | 605.75 | 609.46 | 605.66 | 608.43 | 1104395.0 |
| 2025-12-18 09:00:00 | QQQ | ETF | 608.51 | 609.9 | 608.43 | 609.76 | 522486.0 |
| 2025-12-18 09:30:00 | QQQ | ETF | 609.75 | 610.95 | 606.92 | 609.68 | 11136184.0 |
| 2025-12-18 10:00:00 | QQQ | ETF | 609.68 | 611.16 | 607.24 | 610.8299 | 6042868.0 |
| 2025-12-18 10:30:00 | QQQ | ETF | 610.82 | 612.82 | 610.46 | 611.81 | 5547979.0 |
| 2025-12-18 11:00:00 | QQQ | ETF | 611.81 | 612.93 | 611.315 | 611.54 | 3863903.0 |
| 2025-12-18 11:30:00 | QQQ | ETF | 611.53 | 612.92 | 611.48 | 612.31 | 3116304.0 |
| 2025-12-18 12:00:00 | QQQ | ETF | 612.31 | 612.31 | 607.51 | 608.61 | 6028551.0 |
| 2025-12-18 12:30:00 | QQQ | ETF | 608.59 | 611.75 | 608.25 | 611.5599 | 4033095.0 |
> showing 50 of 45,358 rows — these rows as CSV