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pandas shift one column

df['PREV_CLOSE']=df['Close'].shift(1)
df
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pandas shift column down

>>> df.shift(periods=3)
#Shifted down by 3 periods
#If you want to shift up insert the number of periods as a negative number
            Col1  Col2  Col3
2020-01-01   NaN   NaN   NaN
2020-01-02   NaN   NaN   NaN
2020-01-03   NaN   NaN   NaN
2020-01-04  10.0  13.0  17.0
2020-01-05  20.0  23.0  27.0
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