U.S. Dollar-Euro. The table, , indicates that a 1-year call option on euros at a strike rate of $1.2497=1.00 will cost the buyer $0.0533 per , or 4.22%. But that assumed a volatility of 10.500% when the spot rate was $1.2623=1.00. What would that same call option cost if the volatility was reduced to 10.500% when the spot rate fell to $1.2482=1.00? The same call option cost if the volatility was reduced to 10.500% when the spot rate fell to $1.2482=1.00 would be IE. (Round to four decimal places.) Pricing Currency Options on the Euro