Put/Call Ratio Chart (SPY / S&P 500) - Equity Options Open Interest

This page shows a put/call ratio chart for SPY (a proxy for the S&P 500), calculated from equity-options open interest. The put/call ratio is a sentiment gauge: higher values can indicate more hedging or bearish positioning.

We overlay SPY's daily close and include a rolling average / trendline to help spot potential shifts in sentiment.