PREVIEW / etf_30min / 2026-03-30
file: by_date/etf_30min/2026/2026-03-30.parquet size: 977 KB rows: 42,378
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 |
|---|---|---|---|---|---|---|---|
| 2026-03-30 04:00:00 | SPY | ETF | 636.88 | 637.64 | 634.1 | 637.52 | 184420.0 |
| 2026-03-30 04:30:00 | SPY | ETF | 637.5 | 638.02 | 637.17 | 638.02 | 47390.0 |
| 2026-03-30 05:00:00 | SPY | ETF | 637.92 | 637.95 | 636.72 | 637.05 | 46432.0 |
| 2026-03-30 05:30:00 | SPY | ETF | 637.04 | 637.34 | 636.54 | 637.04 | 30345.0 |
| 2026-03-30 06:00:00 | SPY | ETF | 636.93 | 637.43 | 636.75 | 637.26 | 89798.0 |
| 2026-03-30 06:30:00 | SPY | ETF | 637.18 | 637.5 | 636.65 | 637.49 | 75398.0 |
| 2026-03-30 07:00:00 | SPY | ETF | 637.55 | 641.43 | 637.46 | 639.0107 | 682000.0 |
| 2026-03-30 07:30:00 | SPY | ETF | 639.08 | 639.46 | 637.93 | 638.24 | 337451.0 |
| 2026-03-30 08:00:00 | SPY | ETF | 638.37 | 639.6 | 634.16 | 639.37 | 289615.0 |
| 2026-03-30 08:30:00 | SPY | ETF | 639.39 | 639.97 | 639.18 | 639.68 | 306988.0 |
| 2026-03-30 09:00:00 | SPY | ETF | 639.68 | 640.19 | 638.95 | 640.07 | 397760.0 |
| 2026-03-30 09:30:00 | SPY | ETF | 640.12 | 640.37 | 634.68 | 635.07 | 8583842.0 |
| 2026-03-30 10:00:00 | SPY | ETF | 635.055 | 636.81 | 635.0 | 635.86 | 6177621.0 |
| 2026-03-30 10:30:00 | SPY | ETF | 635.85 | 637.58 | 634.73 | 637.51 | 6740044.0 |
| 2026-03-30 11:00:00 | SPY | ETF | 637.51 | 638.8 | 635.56 | 636.46 | 5078655.0 |
| 2026-03-30 11:30:00 | SPY | ETF | 636.45 | 638.475 | 636.04 | 637.34 | 4136514.0 |
| 2026-03-30 12:00:00 | SPY | ETF | 637.34 | 637.46 | 635.165 | 635.26 | 3426261.0 |
| 2026-03-30 12:30:00 | SPY | ETF | 635.27 | 636.01 | 634.985 | 635.3 | 2439001.0 |
| 2026-03-30 13:00:00 | SPY | ETF | 635.295 | 635.85 | 633.24 | 633.4 | 4385329.0 |
| 2026-03-30 13:30:00 | SPY | ETF | 633.4 | 634.63 | 632.71 | 633.57 | 5178854.0 |
| 2026-03-30 14:00:00 | SPY | ETF | 633.56 | 633.75 | 632.26 | 632.28 | 4505481.0 |
| 2026-03-30 14:30:00 | SPY | ETF | 632.29 | 633.17 | 631.45 | 631.75 | 4889545.0 |
| 2026-03-30 15:00:00 | SPY | ETF | 631.75 | 631.92 | 629.28 | 629.58 | 7324217.0 |
| 2026-03-30 15:30:00 | SPY | ETF | 629.585 | 632.6402 | 629.35 | 632.02 | 11119519.0 |
| 2026-03-30 16:00:00 | SPY | ETF | 632.0 | 632.09 | 631.02 | 631.4 | 3512466.0 |
| 2026-03-30 16:30:00 | SPY | ETF | 631.36 | 631.65 | 631.17 | 631.65 | 133683.0 |
| 2026-03-30 17:00:00 | SPY | ETF | 631.57 | 631.89 | 631.37 | 631.44 | 44909.0 |
| 2026-03-30 17:30:00 | SPY | ETF | 631.37 | 631.7 | 631.37 | 631.62 | 29304.0 |
| 2026-03-30 18:00:00 | SPY | ETF | 631.69 | 632.51 | 631.69 | 632.02 | 76620.0 |
| 2026-03-30 18:30:00 | SPY | ETF | 631.97 | 632.1426 | 631.7 | 631.72 | 43520.0 |
| 2026-03-30 19:00:00 | SPY | ETF | 631.63 | 631.63 | 629.97 | 630.76 | 78815.0 |
| 2026-03-30 19:30:00 | SPY | ETF | 630.68 | 630.68 | 630.15 | 630.58 | 38718.0 |
| 2026-03-30 04:00:00 | QQQ | ETF | 564.21 | 565.6 | 562.29 | 565.42 | 251290.0 |
| 2026-03-30 04:30:00 | QQQ | ETF | 565.32 | 565.95 | 565.22 | 565.9 | 70766.0 |
| 2026-03-30 05:00:00 | QQQ | ETF | 565.81 | 565.94 | 564.66 | 564.9516 | 66337.0 |
| 2026-03-30 05:30:00 | QQQ | ETF | 565.1 | 565.21 | 564.53 | 564.9384 | 52361.0 |
| 2026-03-30 06:00:00 | QQQ | ETF | 564.77 | 565.14 | 564.61 | 564.92 | 52080.0 |
| 2026-03-30 06:30:00 | QQQ | ETF | 564.9 | 565.12 | 564.19 | 565.0 | 58654.0 |
| 2026-03-30 07:00:00 | QQQ | ETF | 565.04 | 568.75 | 564.83 | 566.93 | 348413.0 |
| 2026-03-30 07:30:00 | QQQ | ETF | 567.15 | 567.25 | 565.86 | 566.101 | 297445.0 |
| 2026-03-30 08:00:00 | QQQ | ETF | 566.13 | 567.34 | 562.2 | 567.15 | 321649.0 |
| 2026-03-30 08:30:00 | QQQ | ETF | 567.15 | 567.65 | 566.92 | 567.26 | 180419.0 |
| 2026-03-30 09:00:00 | QQQ | ETF | 567.3 | 567.67 | 566.7 | 567.3 | 305461.0 |
| 2026-03-30 09:30:00 | QQQ | ETF | 567.38 | 568.05 | 562.11 | 562.37 | 8930088.0 |
| 2026-03-30 10:00:00 | QQQ | ETF | 562.35 | 564.28 | 562.27 | 562.925 | 4409276.0 |
| 2026-03-30 10:30:00 | QQQ | ETF | 562.88 | 564.189 | 561.37 | 564.145 | 4498858.0 |
| 2026-03-30 11:00:00 | QQQ | ETF | 564.15 | 565.54 | 561.845 | 563.0 | 3734940.0 |
| 2026-03-30 11:30:00 | QQQ | ETF | 562.97 | 565.48 | 562.6 | 564.055 | 3660084.0 |
| 2026-03-30 12:00:00 | QQQ | ETF | 564.05 | 564.18 | 561.61 | 561.6625 | 3281705.0 |
| 2026-03-30 12:30:00 | QQQ | ETF | 561.67 | 562.6298 | 561.49 | 561.97 | 2479243.0 |
> showing 50 of 42,378 rows — these rows as CSV