The Equity Put/Call Ratio is a simple measure defined as volume_puts / volume_calls where volume is the total volume of traded puts or calls on all tradable stocks on Nasdaq or NYSE.
Below, both the historical Equity Put/Call Ratio and the current (for the current day) live Equity Put/Call Ratio are shown.
Download the whole dataset with daily Equity Put/Call Ratios here. Note that you have to be logged in (but an account is free for 14 days).
Live Equity Put/Call Ratio: 0.8984820153949223