Pandy Cummin
import pandas as pd
s = pd.Series([0, 1, -2, 5, 10, -3])
s.cummin()
>>>
0 0
1 0
2 -2
3 -2
4 -2
5 -3
dtype: int64
wolf-like_hunter
import pandas as pd
s = pd.Series([0, 1, -2, 5, 10, -3])
s.cummin()
>>>
0 0
1 0
2 -2
3 -2
4 -2
5 -3
dtype: int64