The put-call ratio is a financial indicator that compares the trading volume or open interest of put options to call options. It provides insights into investor sentiment and market expectations regarding the future direction of the underlying asset. Learn what Put-Call Ratio means in stock trading, how to calculate it, and how traders use it to gauge market sentiment and make smart decisions. PCR Ratio : Get latest updates on put call ratio index and other stock options at IndiaInfoline. To know more about Nifty Put Call Ratio at India Infoline The put-call ratio is an indicator typically used to determine the mood of the market. Know more about its meaning, calculation, significance, and more.