BeyondSpring (BYSI) puts more active than calls

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(NASDAQ: BYSI) Delayed: 0.44 +0.01 (2.33%)
Previous Close $0.43    52 Week High $ 
Open $0.43    52 Week Low $ 
Day High $0.44    P/E N/A 
Day Low $0.43    EPS $ 
Volume 1,634