Exercise Style: •Stock Options: Typically, American-style — exercisable any time prior to expiry. •Index Options: Typically, European-style — exercisable only on the expiry date. 4.Contract Size and Lot Size: • Stock Options: Size of a lot varies by stock, as specified by the exchange. • Index Options: Standard lot size (e.g., Nifty = 50 units); better for analysis and trading. ... https://topcollegesadmission.in/college-list/diploma/pune