The current .BXBT index weighted as close as possible to BitMEX's with updates as BitMEX refreshes their index.
Difference between this and the script titled '2020 March 27 .BXBT Index': this one will receive updates because it doesn't have a date in its title.
"BitMEX Index Weights, assuming no constituent exchanges...
As described here:
With itBit's weight given to \Gemini because it currently is not on TradingView and they're both small NY based exchanges.