It can be applied to any currency that has a long/short option on Bitfinex.
It works with any other exchange but it pulls short long data from Bitfinex.
Useful for "reading" the market sentiment.
Use it well. Be blessed.
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.