NIO Inc. (NIO) call put ratio 2 calls to 1 put as shares sell off 24%

Go back to NIO Inc. (NIO) call put ratio 2 calls to 1 put as shares sell off 24%
NUVEEN MUNICIPAL OPPORTUNITY FUND, Inc. (NYSE: NIO) Delayed: 3.65 +0.03 (0.83%)
Previous Close $3.62    52 Week High $14.86 
Open $3.72    52 Week Low $13.31 
Day High $3.72    P/E N/A 
Day Low $3.64    EPS $0.00 
Volume 9,129,509