I don’t know how you will interpret it, but here it is:

//PRC_STOCH RSI multiperiods HeatMap | indicator
//https://www.prorealcode.com/topic/stoch-rsi-heat-map/
//Plot an heatmap of the RSI range of periods
//Nicolas @ www.prorealcode.com
//Sharing ProRealTime knowledge

// --- settings
startperiod=14 //start period of the loop
maxscale=200 //end period of the loop
Step=7 //period step of the loop
// --- end of settings

iPeriod=startperiod //first period to test is..startperiod

while iPeriod<=maxscale do

// --- indicator calculation
A=exponentialaverage[iperiod](close)
AH=exponentialaverage[iperiod](high)
AL=exponentialaverage[iperiod](low)

RSI14 = RSI[14](A)
MinRSI = lowest[14](RSI[14](AH))
MaxRSI = highest[14](RSI[14](AL))

StochRSI = (RSI14-MinRSI) / (MaxRSI-MinRSI)*100


// -----

result=stochRSI

R = max(0,50+(200-(result-50)*12))
G = max(0,50+(200+(result-50)*12))

drawtext("■",barindex,iperiod,dialog,bold,18) coloured(min(max(10,r),255),min(max(10,g),255),0)

iPeriod=max(startperiod,iPeriod+Step) //increase indicator period for next loop iteration
wend

return startperiod,maxscale

stochastic-rsi-heatmap.png