U$.$S$.$ Dollar$-$Euro. The$$ table indicates that a$1-$year call option on euros at a strike rate of $$$$1\mathrm{.}2497=$euro$1\mathrm{.}00$ will cost the buyer $$$$0\mathrm{.}0476$ per euro$,$ or $3\mathrm{.}81\%.$ But that assumed a volatility of $10\mathrm{.}500\%$ when the spot rate was $$$$1\mathrm{.}2509=$euro$1\mathrm{.}00.$ What would that same call option cost if the volatility was reduced to $10\mathrm{.}500\%$ when the spot rate fell to $$$$1\mathrm{.}2482=$euro$1\mathrm{.}00?$Pricing Currency Options on the Euro