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The usage is very easy. When the line is green you can open long position, when the line is red you can open short position and when it's black just check by yourself.
Usually I use it with RSI and Bollinger Bands, in order to determine when the signal is strong or weak.

Just play with fastest and slowest SC to adjust the smoothness.
```//@version=2
study("Golden Cross Kaufman's Adaptive Moving Average",shorttitle="GC KAMA",overlay=true)
price=input(close)
len1=input(defval=12,minval=1,title="Fast")
len2=input(defval=26,minval=1,title="Slow")
fast=input(defval=2,minval=1,title="Fastest SC")
slow=input(defval=30,minval=1,title="Slowest SC")
fastestSC=(2/(fast+1))
slowestSC=(2/(slow+1))
change1=abs(price-price[len1])
diff1=abs(price-price)
volatility1=sum(diff1,len1)
ER1=change1/volatility1
SC1=pow(ER1*(fastestSC-slowestSC)+slowestSC,2)
out1=nz(out1)+SC1*(price-nz(out1))
change2=abs(price-price[len2])
diff2=abs(price-price)
volatility2=sum(diff2,len2)
ER2=change2/volatility2
SC2=pow(ER2*(fastestSC-slowestSC)+slowestSC,2)
out2=nz(out2)+SC2*(price-nz(out2))
plot(out1,color=out1>out2?(price>out1?green:black):(out1>price?red:black),title="GC KAMA",linewidth=2)```