Change in Open Interest from legacy commitment of traders (COT) report. For the main symbol but also allows to override it. Also allows to include options in consideration.
study("Open Interest Change", shorttitle="OIC", precision=0)
force_root = input("", title="Override Product")
is_includeoptions = input(false, type=bool, title="Include Options")
fxroot =
ticker == "USDCAD" ? "CD" :
ticker == "USDCAD" ? "CD" :
ticker == "USDCHF" ? "SF" :
ticker == "USDCZK" ? "CZ" :
ticker == "USDHUF" ? "FR" :
ticker == "USDILS" ? "IS" :
ticker == "USDJPY" ? "JY" :
ticker == "USDMXN" ? "MP" :
ticker == "USDNOK" ? "UN" :
ticker == "USDPLN" ? "PZ" :
ticker == "USDRUB" ? "RU" :
ticker == "USDSEK" ? "SE" :
ticker == "USDZAR" ? "RA" :
ticker == "EURUSD" ? "EC" :
ticker == "AUDUSD" ? "AD" :
ticker == "GBPUSD" ? "BP" :
ticker == "NZDUSD" ? "NE" :
ticker == "BRLUSD" ? "BR" :
""
root = force_root == "" ? fxroot == "" ? syminfo.root : fxroot : force_root
code = root + (is_includeoptions ? "_FO" : "_F") + "_L_CHG"
oi = security("QUANDL:CFTC/"+code+"|0", "D", close)
plot(oi, color = gray, title="Total")
hline(0, linestyle=dashed, color=gray)