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.
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...