表名：cn_stock_master_allotment_info
| name | pandas_type | numpy_type | 字段说明 |
|---|---|---|---|
| code | unicode | object | 合约名称/证券代码 |
| first_declare_date | datetime | datetime64[ns] | 首次信息发布日期 |
| ratio | float64 | float64 | 计划配股比例 |
| allotment_ratio | float64 | float64 | 实际配股比例 |
| allotment_share | float64 | float64 | 配股数量 |
| allotment_price | float64 | float64 | 每股配股价格(元) |
| book_date | datetime | datetime64[ns] | 股权登记日期 |
| xr_date | datetime | datetime64[ns] | 除权除息日期 |
示例数据
| code | first_declare_date | ratio | allotment_ratio | allotment_share | allotment_price | book_date | xr_date |
|---|---|---|---|---|---|---|---|
| 000001 | 1991-07-28 | 0.3 | 0.3 | 2.037e+07 | 12 | 1991-08-02 | 1991-08-17 |
| 000001 | 1993-02-27 | 0.1 | 0.1 | 2.0205e+07 | 16 | 1993-05-21 | 1993-05-24 |
| 000001 | 1994-03-29 | 0.1 | 0.1 | 2.69418e+07 | 5 | 1994-07-08 | 1994-07-11 |
| 000001 | 1999-07-17 | 0.3 | 0.3 | 3.93975e+08 | 8 | 2000-11-03 | 2000-11-06 |
| 000002 | 1991-03-06 | 0.5 | 0.5 | 2.06663e+07 | 4.4 | 1991-05-27 | 1991-06-08 |