fastLength = input(title='MACD Fast Length', defval=9)
slowLength = input(title='MACD Slow Length', defval=34)
cycleLength = input(title='Cycle Length', defval=11)
d1Length = input(title='1st %D Length', defval=1)
d2Length = input(title='2nd %D Length', defval=4)
src = close
upper = 75
lower = 25

macd = ta.ema(src, fastLength) - ta.ema(src, slowLength)
k = nz(fixnan(ta.stoch(macd, macd, macd, cycleLength)))
d = ta.ema(k, d1Length)
kd = nz(fixnan(ta.stoch(d, d, d, cycleLength)))
stc = ta.ema(kd, d2Length)
stc := math.max(math.min(stc, 100), 0)


buySignal = ta.crossover(stc, lower)
sellSignal = ta.crossunder(stc, upper)


// rsi
rsiLengthInput = input.int(14, minval=1, title="RSI Length", group="RSI Settings")
rsiSourceInput = input.source(close, group="RSI Settings")
uprsi = ta.rma(math.max(ta.change(rsiSourceInput), 0), rsiLengthInput)
downrsi = ta.rma(-math.min(ta.change(rsiSourceInput), 0), rsiLengthInput)
rsi = downrsi == 0 ? 100 : uprsi == 0 ? 0 : 100 - (100 / (1 + uprsi / downrsi))

rsi2 = ta.rsi(close, 5)

RSI_long     = rsi2 > 50
RSI_short    = rsi2 < 50
// RSI_long     = ta.crossover(rsi2, 50)
// RSI_short    = ta.crossunder(rsi2, 50)