CF Industries (CF) call put ratio 1.6 calls to 1 put

Go back to CF Industries (CF) call put ratio 1.6 calls to 1 put
CF Industries Holdings Inc (NYSE: CF) Delayed: 116.30 --0 (-0%)
Previous Close $116.30    52 Week High $50.83 
Open $116.30    52 Week Low $20.77 
Day High $116.30    P/E 4.70 
Day Low $116.30    EPS $24.74 
Volume 1,990