study("My Script")



quarterly = tickerid

perpetual = input("DERIBIT:BTCPERP", type=symbol)

quarterlyC = security(quarterly, period, close)
perpetualC = security(perpetual, period, close)



premium = (quarterlyC - perpetualC) / perpetualC * 100



plot(premium,  linewidth=2, color=blue, transp=0, title= 'Quarterly Futures Premium')