I suppose you are writing/selling weekly options… which indices are you writing the options in…? Beware of the unwanted stoploss trigger happening in finnifty and sensex indices since the past week… it can cause huge loss if you set up your stoploss trigger and price at much spread (to make it work like SL Market order). you can see the related discusson at Freakish trigger of stoploss - #3 by RazZ