Just seeing folks asking a lot about USD INDEX I just wanted to help little bit
// CapnOscar Cheers study(title="USDIndex", overlay=false) eusd = security("EURUSD", period, close) // usjpy = security("USDJPY", period, close) // gbpus = security("GBPUSD", period, close) // uscad = security("USDCAD", period, close) // ussek = security("USDSEK", period, close) // uschf = security("USDCHF", period, close) // usdx = 50.14348112 * pow(eusd,-0.576) * pow(usjpy,0.136) * pow(gbpus,-0.119) * pow(uscad,0.091) * pow(ussek,0.042) * pow(uschf,0.036) plot(usdx, color = red)