PREVIEW / etf_30min / 2025-06-27
file: by_date/etf_30min/2025/2025-06-27.parquet size: 991 KB rows: 40,865
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 |
|---|---|---|---|---|---|---|---|
| 2025-06-27 04:00:00 | SPY | ETF | 613.64 | 613.79 | 613.39 | 613.42 | 50402.0 |
| 2025-06-27 04:30:00 | SPY | ETF | 613.5 | 613.76 | 613.43 | 613.76 | 10075.0 |
| 2025-06-27 05:00:00 | SPY | ETF | 613.75 | 613.75 | 613.37 | 613.59 | 29040.0 |
| 2025-06-27 05:30:00 | SPY | ETF | 613.61 | 613.66 | 613.37 | 613.53 | 29085.0 |
| 2025-06-27 06:00:00 | SPY | ETF | 613.67 | 613.67 | 613.35 | 613.35 | 47286.0 |
| 2025-06-27 06:30:00 | SPY | ETF | 613.44 | 613.55 | 613.4 | 613.51 | 7627.0 |
| 2025-06-27 07:00:00 | SPY | ETF | 613.52 | 614.01 | 613.47 | 613.9 | 85717.0 |
| 2025-06-27 07:30:00 | SPY | ETF | 613.87 | 614.39 | 613.87 | 614.34 | 77939.0 |
| 2025-06-27 08:00:00 | SPY | ETF | 613.83 | 614.55 | 612.6 | 614.1 | 193344.0 |
| 2025-06-27 08:30:00 | SPY | ETF | 613.99 | 614.11 | 613.35 | 613.44 | 521964.0 |
| 2025-06-27 09:00:00 | SPY | ETF | 613.43 | 613.49 | 612.89 | 612.9 | 322249.0 |
| 2025-06-27 09:30:00 | SPY | ETF | 612.88 | 614.6599 | 612.7 | 614.36 | 4874866.0 |
| 2025-06-27 10:00:00 | SPY | ETF | 614.37 | 615.5 | 614.37 | 614.905 | 4350195.0 |
| 2025-06-27 10:30:00 | SPY | ETF | 614.91 | 615.55 | 614.6 | 614.81 | 2812118.0 |
| 2025-06-27 11:00:00 | SPY | ETF | 614.82 | 615.39 | 614.6 | 615.34 | 1927860.0 |
| 2025-06-27 11:30:00 | SPY | ETF | 615.34 | 616.1 | 615.3001 | 615.902 | 2448253.0 |
| 2025-06-27 12:00:00 | SPY | ETF | 615.9 | 616.35 | 615.69 | 616.315 | 2053787.0 |
| 2025-06-27 12:30:00 | SPY | ETF | 616.315 | 616.39 | 615.645 | 615.97 | 2113127.0 |
| 2025-06-27 13:00:00 | SPY | ETF | 615.955 | 615.96 | 615.26 | 615.39 | 1484025.0 |
| 2025-06-27 13:30:00 | SPY | ETF | 615.4 | 615.58 | 613.27 | 614.155 | 5144306.0 |
| 2025-06-27 14:00:00 | SPY | ETF | 614.16 | 614.38 | 612.33 | 612.33 | 4064841.0 |
| 2025-06-27 14:30:00 | SPY | ETF | 612.34 | 612.6 | 610.83 | 611.19 | 7479617.0 |
| 2025-06-27 15:00:00 | SPY | ETF | 611.185 | 612.71 | 611.01 | 612.385 | 5436058.0 |
| 2025-06-27 15:30:00 | SPY | ETF | 612.38 | 615.14 | 612.38 | 614.86 | 12959442.0 |
| 2025-06-27 16:00:00 | SPY | ETF | 614.86 | 614.91 | 614.19 | 614.28 | 3173119.0 |
| 2025-06-27 16:30:00 | SPY | ETF | 614.28 | 614.68 | 614.28 | 614.61 | 172275.0 |
| 2025-06-27 17:00:00 | SPY | ETF | 614.62 | 614.62 | 614.3 | 614.4 | 55229.0 |
| 2025-06-27 17:30:00 | SPY | ETF | 614.38 | 614.38 | 614.12 | 614.25 | 36825.0 |
| 2025-06-27 18:00:00 | SPY | ETF | 614.23 | 614.3928 | 614.1 | 614.1 | 19537.0 |
| 2025-06-27 18:30:00 | SPY | ETF | 614.1 | 614.1 | 613.18 | 613.2 | 146575.0 |
| 2025-06-27 19:00:00 | SPY | ETF | 613.2 | 613.549 | 612.86 | 613.33 | 55400.0 |
| 2025-06-27 19:30:00 | SPY | ETF | 613.27 | 613.64 | 613.18 | 613.43 | 34133.0 |
| 2025-06-27 04:00:00 | QQQ | ETF | 547.67 | 548.24 | 547.67 | 547.94 | 22941.0 |
| 2025-06-27 04:30:00 | QQQ | ETF | 547.93 | 548.33 | 547.9 | 548.33 | 10403.0 |
| 2025-06-27 05:00:00 | QQQ | ETF | 548.31 | 548.31 | 547.84 | 548.01 | 15433.0 |
| 2025-06-27 05:30:00 | QQQ | ETF | 548.04 | 548.2 | 547.92 | 548.19 | 19729.0 |
| 2025-06-27 06:00:00 | QQQ | ETF | 548.26 | 548.27 | 547.79 | 547.88 | 12331.0 |
| 2025-06-27 06:30:00 | QQQ | ETF | 547.92 | 547.98 | 547.83 | 547.95 | 29913.0 |
| 2025-06-27 07:00:00 | QQQ | ETF | 547.9 | 548.66 | 547.87 | 548.6 | 74144.0 |
| 2025-06-27 07:30:00 | QQQ | ETF | 548.55 | 549.0 | 548.55 | 549.0 | 43050.0 |
| 2025-06-27 08:00:00 | QQQ | ETF | 548.14 | 549.19 | 546.84 | 548.85 | 187165.0 |
| 2025-06-27 08:30:00 | QQQ | ETF | 548.7 | 548.73 | 547.64 | 547.84 | 224391.0 |
| 2025-06-27 09:00:00 | QQQ | ETF | 547.815 | 547.88 | 547.15 | 547.21 | 190209.0 |
| 2025-06-27 09:30:00 | QQQ | ETF | 547.26 | 548.72 | 546.74 | 548.598 | 3378853.0 |
| 2025-06-27 10:00:00 | QQQ | ETF | 548.6 | 549.99 | 548.6 | 549.0252 | 3499658.0 |
| 2025-06-27 10:30:00 | QQQ | ETF | 549.02 | 549.76 | 548.2 | 548.4512 | 2083210.0 |
| 2025-06-27 11:00:00 | QQQ | ETF | 548.46 | 549.26 | 548.1403 | 549.26 | 1467302.0 |
| 2025-06-27 11:30:00 | QQQ | ETF | 549.26 | 549.93 | 549.19 | 549.655 | 1398227.0 |
| 2025-06-27 12:00:00 | QQQ | ETF | 549.66 | 549.66 | 548.92 | 549.36 | 1608860.0 |
| 2025-06-27 12:30:00 | QQQ | ETF | 549.37 | 549.4293 | 548.69 | 549.3 | 1590671.0 |
> showing 50 of 40,865 rows — these rows as CSV