66 lines
1.5 KiB
Markdown
66 lines
1.5 KiB
Markdown
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## 国债长期利率
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----
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接口：us_tltr
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描述：国债长期利率
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限量：单次最大可获取2000行数据，可循环获取
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权限：用户积累120积分可以使用，积分越高频次越高。具体请参阅[积分获取办法](https://tushare.pro/document/1?doc_id=13)
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<br>
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<br>
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**输入参数**
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名称 | 类型 | 必选 | 描述
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---- | ----- | ---- | ----
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date | str | N | 日期
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start_date | str | N | 开始日期
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end_date | str | N | 结束日期
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fields | str | N | 指定字段
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<br>
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<br>
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**输出参数**
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名称 | 类型 | 默认显示 | 描述
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--- | ---- | ---- | ----
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date | str | Y | 日期
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ltc | float | Y | 收益率 LT COMPOSITE (>10 Yrs)
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cmt | float | Y | 20年期CMT利率(TREASURY 20-Yr CMT)
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e_factor | float | Y | 外推因子EXTRAPOLATION FACTOR
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<br>
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<br>
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**接口调用**
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```python
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pro = ts.pro_api()
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df = pro.us_tltr(start_date='20180101', end_date='20200327')
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#获取5年期和20年期数据
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df = pro.us_tltr(start_date='20180101', end_date='20200327', fields='ltc,cmt')
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```
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<br>
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**数据样例**
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date ltc cmt e_factor
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0 20200327 1.19 1.09 None
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1 20200326 1.32 1.20 None
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2 20200325 1.35 1.23 None
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3 20200324 1.30 1.19 None
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4 20200323 1.25 1.12 None
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... ... ... ... ...
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1995 20120404 2.98 3.02 None
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1996 20120403 3.02 3.07 None
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1997 20120402 2.96 3.00 None
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1998 20120330 2.96 3.00 None
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1999 20120329 2.89 2.93 None
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