Consider two European call options on the same underlying stock, with the same strike price, but different maturities. The first one has 1 year maturity and o = 15%, if the second one has 4 years maturity what is its o? Consider two European call options on the same underlying stock, with the same strike price, but different maturities. The first one has 1 year maturity and o = 15%, if the second one has 4 years maturity what is its o