Suppose you want to speculate on the euro depreciating relative to the dollar. If you wanted to limit your Dotential losses in case your bet is wrong. you would . Suppose you want to speculate on the pound appreciating relative to the dollar. If you wanted to limit your potential losses in case your bet is wrong. you would buy curo calls; buy pound puts sell euro calls; scil nound puts sell euro futures; buy pound futures buy euro puts; buy pound calls buv euto futures; sell pound fotures