this one is more eye candy then usefull :p multiple lengths rsi.
study(title="[RS]Multi Time Frame RSI", shorttitle="[RS]MTFRSI", overlay=false) fc = rsi(close, 2) fh = rsi(close, 3) fl = rsi(close, 5) mc = rsi(close, 8) mh = rsi(close, 13) ml = rsi(close, 21) sc = rsi(close, 34) sh = rsi(close, 55) sl = rsi(close, 89) f1 = plot(fc, color=(fc >= fh ? green : red), style=circles, linewidth=2) f2 = plot(fh, color=(fh >= fl ? green : red), style=circles, linewidth=1) f3 = plot(fl, color=(fl >= mc ? #5dd963 : #d9635d), style=circles, linewidth=1) m1 = plot(mc, color=(mc >= mh ? #2fcf37 : #cf372f), style=circles, linewidth=2, join=true) m2 = plot(mh, color=(mh >= ml ? #18ca21 : #ca2118), style=circles, linewidth=1) m3 = plot(ml, color=(ml >= sc ? #13a11a : #a11a13), style=circles, linewidth=1) s1 = plot(sc, color=(sc >= sh ? #0e7913 : #79130e), style=circles, linewidth=2, join=true) s2 = plot(sh, color=(sh >= sl ? #09500d : #500d09), style=circles, linewidth=1) s3 = plot(sl, color=#9ca6b3, style=circles, linewidth=1) hline(0, color=gray) hline(30, color=gray) hline(50, color=gray) hline(70, color=gray) hline(100, color=gray) bgcolor(black, transp=0)