表名：cn_future_md_all_1m
| name | pandas_type | numpy_type | 字段说明 |
|---|---|---|---|
| trade_date | datetime | datetime64[ns] | 交易日期 |
| trade_time | datetime | datetime64[ns] | 交易时间 |
| code | unicode | object | 合约名称/证券代码 |
| symbol | unicode | object | 交易品种 |
| open | float64 | float64 | 开盘价 |
| close | float64 | float64 | 收盘价 |
| high | float64 | float64 | 最高价 |
| low | float64 | float64 | 最低价 |
| open_interest | float64 | float64 | 持仓量 |
| volume | float64 | float64 | 成交量 |
| amount | float64 | float64 | 成交额 |
示例数据
| trade_date | trade_time | code | symbol | open | close | high | low | open_interest | volume | amount |
|---|---|---|---|---|---|---|---|---|---|---|
| 2022-01-04 | 2022-01-04 09:01:00 | PB2202 | PB | 15360 | 15385 | 15405 | 15360 | 37324 | 1931 | 1.48524e+08 |
| 2022-01-04 | 2022-01-04 09:02:00 | PB2202 | PB | 15390 | 15435 | 15435 | 15380 | 37479 | 1398 | 1.07742e+08 |
| 2022-01-04 | 2022-01-04 09:03:00 | PB2202 | PB | 15430 | 15430 | 15455 | 15430 | 37673 | 1201 | 9.27238e+07 |
| 2022-01-04 | 2022-01-04 09:04:00 | PB2202 | PB | 15430 | 15435 | 15445 | 15425 | 37692 | 458 | 3.53511e+07 |
| 2022-01-04 | 2022-01-04 09:05:00 | PB2202 | PB | 15435 | 15430 | 15435 | 15425 | 37718 | 588 | 4.53675e+07 |