ATARA Biotherapeutics (ATRA) call put ratio 7.3 calls to 1 put with focus on June 20 calls

Go back to ATARA Biotherapeutics (ATRA) call put ratio 7.3 calls to 1 put with focus on June 20 calls
(NASDAQ: ATRA) Delayed: 8.59 -0.84 (8.91%)
Previous Close $9.43    52 Week High $40.80 
Open $9.37    52 Week Low $12.45 
Day High $9.37    P/E N/A 
Day Low $8.55    EPS $0.00 
Volume 24,320