On 28 October 2020 at 04:00:00 UTC BitMEX listed the following new indices:
.BBNBT, .BDOTT, and .BYFIT
Please note that the hypothetical values of the indices with new weights are published as the “NEXT” index family (e.g. .BXBT_NEXT).
Please see our Blog and BitMEX Indices page for index weights and further details.