These ratios include US Options volumes across all exchanges, and filter out ETF & Index options.There was an issue displaying the chart. Please edit the chart in the admin area for more details.
Much is being made recently about record put/call ratios in US equities. Some measurements show that the put/call ratio is how higher than that of March 2020, which was when markets crashed violently in response to the onset of Covid lockdowns. This has led to news outlets like DrudgeReport to link to the metric, suggesting it is a sign of investor fear.