PREVIEW / etf_30min / 2025-09-08
file: by_date/etf_30min/2025/2025-09-08.parquet size: 1.0 MB rows: 42,885
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 |
|---|---|---|---|---|---|---|---|
| 2025-09-08 04:00:00 | SPY | ETF | 648.25 | 648.63 | 647.9 | 648.49 | 12970.0 |
| 2025-09-08 04:30:00 | SPY | ETF | 648.5 | 648.66 | 648.4 | 648.49 | 5368.0 |
| 2025-09-08 05:00:00 | SPY | ETF | 648.47 | 648.51 | 648.3 | 648.51 | 4945.0 |
| 2025-09-08 05:30:00 | SPY | ETF | 648.43 | 648.77 | 648.38 | 648.77 | 2701.0 |
| 2025-09-08 06:00:00 | SPY | ETF | 648.71 | 648.9 | 648.71 | 648.79 | 13091.0 |
| 2025-09-08 06:30:00 | SPY | ETF | 648.75 | 648.96 | 648.7 | 648.7 | 5470.0 |
| 2025-09-08 07:00:00 | SPY | ETF | 648.67 | 648.81 | 648.53 | 648.71 | 34000.0 |
| 2025-09-08 07:30:00 | SPY | ETF | 648.72 | 648.83 | 648.25 | 648.25 | 49117.0 |
| 2025-09-08 08:00:00 | SPY | ETF | 648.72 | 648.84 | 647.61 | 648.13 | 72427.0 |
| 2025-09-08 08:30:00 | SPY | ETF | 648.29 | 648.73 | 648.29 | 648.63 | 89942.0 |
| 2025-09-08 09:00:00 | SPY | ETF | 648.65 | 649.01 | 648.49 | 648.61 | 178892.0 |
| 2025-09-08 09:30:00 | SPY | ETF | 648.62 | 649.06 | 648.0542 | 648.37 | 5946023.0 |
| 2025-09-08 10:00:00 | SPY | ETF | 648.375 | 648.9 | 647.75 | 648.77 | 3442494.0 |
| 2025-09-08 10:30:00 | SPY | ETF | 648.755 | 649.765 | 648.66 | 649.38 | 2821429.0 |
| 2025-09-08 11:00:00 | SPY | ETF | 649.37 | 649.81 | 649.14 | 649.8 | 2319392.0 |
| 2025-09-08 11:30:00 | SPY | ETF | 649.79 | 649.84 | 648.5 | 649.38 | 2337113.0 |
| 2025-09-08 12:00:00 | SPY | ETF | 649.38 | 649.4 | 648.38 | 648.63 | 1869606.0 |
| 2025-09-08 12:30:00 | SPY | ETF | 648.63 | 648.805 | 647.78 | 648.56 | 1999676.0 |
| 2025-09-08 13:00:00 | SPY | ETF | 648.56 | 648.76 | 647.99 | 648.48 | 1511155.0 |
| 2025-09-08 13:30:00 | SPY | ETF | 648.49 | 648.68 | 647.23 | 647.59 | 1495745.0 |
| 2025-09-08 14:00:00 | SPY | ETF | 647.5999 | 648.51 | 647.36 | 648.395 | 2269581.0 |
| 2025-09-08 14:30:00 | SPY | ETF | 648.39 | 648.58 | 647.91 | 648.235 | 1917902.0 |
| 2025-09-08 15:00:00 | SPY | ETF | 648.22 | 648.2368 | 647.335 | 647.58 | 3222516.0 |
| 2025-09-08 15:30:00 | SPY | ETF | 647.58 | 648.88 | 647.47 | 648.8 | 9745726.0 |
| 2025-09-08 16:00:00 | SPY | ETF | 648.8 | 648.99 | 648.5055 | 648.93 | 2876112.0 |
| 2025-09-08 16:30:00 | SPY | ETF | 648.93 | 648.94 | 648.75 | 648.82 | 203722.0 |
| 2025-09-08 17:00:00 | SPY | ETF | 648.77 | 648.9 | 648.73 | 648.9 | 58228.0 |
| 2025-09-08 17:30:00 | SPY | ETF | 648.91 | 649.04 | 648.9 | 649.0 | 45067.0 |
| 2025-09-08 18:00:00 | SPY | ETF | 648.94 | 649.3299 | 648.88 | 649.3 | 34855.0 |
| 2025-09-08 18:30:00 | SPY | ETF | 649.2 | 649.47 | 649.19 | 649.45 | 22476.0 |
| 2025-09-08 19:00:00 | SPY | ETF | 649.45 | 649.55 | 649.29 | 649.33 | 13898.0 |
| 2025-09-08 19:30:00 | SPY | ETF | 649.36 | 649.36 | 649.109 | 649.15 | 15628.0 |
| 2025-09-08 04:00:00 | QQQ | ETF | 577.6 | 577.9 | 577.38 | 577.76 | 16866.0 |
| 2025-09-08 04:30:00 | QQQ | ETF | 577.71 | 578.0 | 577.69 | 577.91 | 8948.0 |
| 2025-09-08 05:00:00 | QQQ | ETF | 577.9 | 578.02 | 577.67 | 577.92 | 12941.0 |
| 2025-09-08 05:30:00 | QQQ | ETF | 577.9 | 578.38 | 577.83 | 578.26 | 18065.0 |
| 2025-09-08 06:00:00 | QQQ | ETF | 578.32 | 578.43 | 578.17 | 578.33 | 22421.0 |
| 2025-09-08 06:30:00 | QQQ | ETF | 578.32 | 578.53 | 578.03 | 578.13 | 20288.0 |
| 2025-09-08 07:00:00 | QQQ | ETF | 578.07 | 578.3 | 577.951 | 578.19 | 31008.0 |
| 2025-09-08 07:30:00 | QQQ | ETF | 578.25 | 578.3 | 577.86 | 577.87 | 11512.0 |
| 2025-09-08 08:00:00 | QQQ | ETF | 578.06 | 578.39 | 575.628 | 577.61 | 105363.0 |
| 2025-09-08 08:30:00 | QQQ | ETF | 577.6499 | 578.24 | 577.6499 | 578.16 | 69081.0 |
| 2025-09-08 09:00:00 | QQQ | ETF | 578.25 | 578.63 | 578.04 | 578.32 | 118656.0 |
| 2025-09-08 09:30:00 | QQQ | ETF | 578.37 | 580.56 | 578.07 | 579.84 | 6172530.0 |
| 2025-09-08 10:00:00 | QQQ | ETF | 579.84 | 580.4 | 578.87 | 580.25 | 3677076.0 |
| 2025-09-08 10:30:00 | QQQ | ETF | 580.24 | 580.84 | 579.99 | 580.16 | 2352899.0 |
| 2025-09-08 11:00:00 | QQQ | ETF | 580.15 | 580.67 | 579.79 | 580.565 | 2043225.0 |
| 2025-09-08 11:30:00 | QQQ | ETF | 580.56 | 580.74 | 579.46 | 580.49 | 1854002.0 |
| 2025-09-08 12:00:00 | QQQ | ETF | 580.49 | 580.5 | 579.25 | 579.5 | 1501901.0 |
| 2025-09-08 12:30:00 | QQQ | ETF | 579.49 | 579.65 | 578.5 | 579.0199 | 2000344.0 |
> showing 50 of 42,885 rows — these rows as CSV