This indicator is good for any timeframe without adjusting the EMA's, it is very customizable. Alerts are built in, this indicator also overrides the color of your volume bars.
Code:
#Mr Slim Miller at askSLIM dot com
#SlimRibbonCustom_markos9-7-18
input price = close;
input superfast_length = 8;
input fast_length = 13;
input slow_length = 21;
input displace = 0;
def mov_avg8 = ExpAverage(price[-displace], superfast_length);
def mov_avg13 = ExpAverage(price[-displace], fast_length);
def mov_avg21 = ExpAverage(price[-displace], slow_length);
#moving averages
plot Superfast = mov_avg8;
plot Fast = mov_avg13;
plot Slow = mov_avg21;
def buy = mov_avg8 > mov_avg13 and mov_avg13 > mov_avg21 and low > mov_avg8;
def stopbuy = mov_avg8 <= mov_avg13;
def buynow = !buy[1] and buy;
def buysignal = CompoundValue(1, if buynow and !stopbuy then 1 else if buysignal[1] == 1 and stopbuy then 0 else buysignal[1], 0);
plot Buy_Signal = buysignal[1] == 0 and buysignal == 1;
Buy_Signal.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_UP);
Buy_Signal.SetDefaultColor(Color.DARK_GREEN);
Buy_Signal.HideTitle();
Alert(condition = buysignal[1] == 0 and buysignal == 1, text = "Buy Signal", sound = Sound.Chimes, "alert type" = Alert.BAR);
plot Momentum_Down = buysignal[1] == 1 and buysignal == 0;
Momentum_Down.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_DOWN);
Momentum_Down.SetDefaultColor(Color.YELLOW);
Momentum_Down.HideTitle();
Alert(condition = buysignal[1] == 1 and buysignal == 0, text = "Momentum_Down", sound = Sound.Bell, "alert type" = Alert.BAR);
def sell = mov_avg8 < mov_avg13 and mov_avg13 < mov_avg21 and high < mov_avg8;
def stopsell = mov_avg8 >= mov_avg13;
def sellnow = !sell[1] and sell;
def sellsignal = CompoundValue(1, if sellnow and !stopsell then 1 else if sellsignal[1] == 1 and stopsell then 0 else sellsignal[1], 0);
plot Sell_Signal = sellsignal[1] == 0 and sellsignal;
Sell_Signal.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_DOWN);
Sell_Signal.SetDefaultColor(Color.RED);
Sell_Signal.HideTitle();
Alert(condition = sellsignal[1] == 0 and sellsignal == 1, text = "Sell Signal", sound = Sound.Bell, "alert type" = Alert.BAR);
plot Momentum_Up = sellsignal[1] == 1 and sellsignal == 0;
Momentum_Up.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_UP);
Momentum_Up.SetDefaultColor(Color.YELLOW);
Momentum_Up.HideTitle();
Alert(condition = sellsignal[1] == 1 and sellsignal == 0, text = "Momentum_Up", sound = Sound.Chimes, "alert type" = Alert.BAR);
plot Colorbars = if buysignal == 1 then 1 else if sellsignal == 1 then 2 else if buysignal == 0 or sellsignal == 0 then 3 else 0;
Colorbars.Hide();
Colorbars.DefineColor("Buy_Signal_Bars", Color.DARK_GREEN);
Colorbars.DefineColor("Sell_Signal_Bars", Color.RED);
Colorbars.DefineColor("Neutral", Color.YELLOW);
AssignPriceColor(if Colorbars == 1 then Colorbars.Color("buy_signal_bars") else if Colorbars == 2 then Colorbars.Color("Sell_Signal_bars") else Colorbars.Color("neutral"));
#end