Closed
Description
.sortlevel does not retain .names in MultiIndex. For example:
options
ForwardPrice Strike CallPut Premium
105169 57.2024993896 15.03 15.03 C 2.206
-41.0596008301 15.03 15.03 P 2.231
...options.delevel()
SecurityID Delta ForwardPrice Strike CallPut Premium
0 105169 57.2 15.03 15.03 C 2.206
1 105169 -41.06 15.03 15.03 P 2.231
...options = options.sortlevel(0)
options.delevel()
level_0 level_1 ForwardPrice Strike CallPut Premium
0 105169 -41.06 15.03 15.03 P 2.231
1 105169 57.2 15.03 15.03 C 2.206
...