The put call ratio (PCR) is a valuable tool in options trading, reflecting market sentiment and helping traders understand the overall mood of the market. It is calculated by dividing the number of traded put options by the number of traded call options. A high put call ratio typically signals a bearish market sentiment, as more investors are purchasing puts to hedge against potential declines. This could indicate fear or caution in the market. In contrast, a low put-call ratio often points to bullish sentiment, as more investors buy call options to profit from potential price increases. Traders use the PCR as a contrarian indicator—when the ratio is very high, it may suggest that the market has become too pessimistic and could be due for a reversal, while a very low ratio could indicate excessive optimism and possible overbought conditions. Analysing the put-call ratio can provide valuable insights into market psychology, allowing traders to adjust their strategies accordingly. However, it’s essential to combine the PCR with other technical indicators to get a clearer picture of market trends and avoid making decisions based solely on sentiment.