CG55518 - Traded options: LIFFE: standard form: American style and European style contracts
European style options can only be exercised at the expiry date. American style options may be exercised on any business day during the option period.
»Ê¹ÚÌåÓýapp terms European and American merely refer to different types of option. »Ê¹ÚÌåÓýappy have no geographical significance in this context.