so please suggest me how can i trade seeing spot charts and if prices are different in spot and futures. One way is that i first choose a level where i want to buy/sell on spot then choose one future series and put SL order on that when price hit SL order, it is executed. second option i have is put alert on price instead of SL order and when price hits that buy/sell price, alert is displayed on screen and then i see if i want to buy nifty contract which series is in discount/ less premium comparable to other series. vicerversa in selling short nifty contract. which option is best, and suggest me your experience.