Strength of AUD and NZD to GBP and USD.
study("Pair Strength AUD NZD GBP USD", precision=3) fast=input(5) slow=input(15) v1=security('AUDNZD',period,close) v2=security('AUDUSD',period,close) v3=security('GBPAUD',period,close) v4=security('GBPNZD',period,close) v5=security('NZDUSD',period,close) v6=security('GBPUSD',period,close) AUD=(v1+v2+(100-v3))/3 NZD=((100-v1)+(100-v4)+v5)/3 GBP=(v3+v4+v6)/3 USD=((100-v2)+(100-v5)+(100-v6))/3 aud=tsi(AUD,fast,slow) nzd=tsi(NZD,fast,slow) gbp=tsi(GBP,fast,slow) usd=tsi(USD,fast,slow) plot(aud,color=#FFD800,title='AUD', linewidth=3) plot(nzd,color=silver,title='NZD', linewidth=3) plot(gbp,color=blue,title='GBP') plot(usd,color=green,title='USD') hline(0,title='midpoint') hline(0.5,title='overbought') hline(-0.5,title='oversell')