NIO Inc. (NIO) call put ratio 2.2 calls to 1 put on flat option IV

Go back to NIO Inc. (NIO) call put ratio 2.2 calls to 1 put on flat option IV
NUVEEN MUNICIPAL OPPORTUNITY FUND, Inc. (NYSE: NIO) Delayed: 5.07 +0.02 (0.40%)
Previous Close $5.05    52 Week High $14.86 
Open $4.88    52 Week Low $13.31 
Day High $5.18    P/E N/A 
Day Low $4.87    EPS $0.00 
Volume 29,602,121