PCR Put-Call Ratio

//version=5
indicator("PCR Put-Call Ratio", overlay=false, precision=4)

// Input parameters
pcrLength = input(20, "PCR Length", group="Settings")
maLength = input(5, "MA Length", group="Settings")
showOI = input(true, "Use Open Interest", group="Settings")

// Get PCR data from CBOE (requires daily data availability)
pcrData = request.security("CBOE:PC", "D", close)

// Calculate moving average of PCR
pcrMA = ta.sma(pcrData, maLength)

// Levels for interpretation
overbought = 1.2
oversold = 0.6
neutral = 0.9

// Plot PCR value
plot(pcrData, title="PCR Value", color=color.blue, linewidth=2)
plot(pcrMA, title="PCR MA", color=color.orange, linewidth=1)

// Add reference lines
hline(overbought, "Overbought (Bearish)", color.red, linestyle=hline.style_dashed)
hline(neutral, "Neutral", color.gray, linestyle=hline.style_dotted)
hline(oversold, "Oversold (Bullish)", color.green, linestyle=hline.style_dashed)

// Background coloring based on sentiment
bgColor = pcrData > overbought ? color.new(color.red, 80) :
pcrData < oversold ? color.new(color.green, 80) :
color.new(color.gray, 90)
bgcolor(bgColor)