Ballard Power (BLDP) call put ratio 2.7 calls to 1 put as share price down 2.2%
Ballard Power (NASDAQ: BLDP) 30-day option implied volatility is at 95; compared to its 52-week range of 56 to 164. Call put ratio 2.7 calls to 1 put as share price down 2.2%.
