We take prices BTC 0.45% from exchanges ((BITFINEX_COINBASE_BITSTAMP), averaged. From the exchange (BITFINEX) we take longs and shorts. Get the difference - Open Interest is actual now. The indicator shows a change (Open Interest) . You can try to find divergences Profit! OI on alts it is possible to make (only BITFINEX) fvb777@gmail.com