Advance Decline Ratio (Custom)
Built-in indicator ADR shows only NYSE data. This script allows you select the exchange to use.
study(title="Advance Decline Ratio (Custom)", shorttitle="ADR_Custom")
src = input(close)
exch = input(0, "Exchange to use: 0-Total, 1-NYSE, 2-AMEX, 3-OTC, 4-ETFS, 5-NASD, 6-TSX", minval=0, maxval=6)
pr = "INDEX"
suffix = exch == 1 ? "N" :
exch == 2 ? "A" :
exch == 3 ? "D" :
exch == 4 ? "E" :
exch == 5 ? "Q" :
exch == 6 ? "S" :
exch == 0 ? "T" :
""
adv = security(tickerid(pr, "ADV" + suffix), period, src)
dec = security(tickerid(pr, "DEC" + suffix), period, src)
plot(adv / dec)