Market watch: What does the F&O market suggest about trade on January 13? Market watch: What does the F&O market suggest about trade on January 13? The Nifty 50 put call ratio (PCR) closed at 1.29 for the day. Shashikant Singh / Wednesday, January 12, 2022 / Article rating: 4.4 Activity in the F&O market for the weekly expiry on January 13 shows 18000 to act as support now.