Ballard Power (BLDP) call put ratio 4.1 calls to 1 put

Go back to Ballard Power (BLDP) call put ratio 4.1 calls to 1 put
Ballard Power Systems, Inc. (NASDAQ: BLDP) Delayed: 3.69 -0.48 (11.51%)
Previous Close $4.17    52 Week High $2.53 
Open $4.29    52 Week Low $1.11 
Day High $4.32    P/E N/A 
Day Low $3.64    EPS $0.00 
Volume 9,556,234