Keeping the safeguard of 15,500 at downside and 15,950 upside, we feel traders can short straddle of 15,700 Call and Put and buy strangle of 15,400 Put and 16000 Call. Traders will be in profit if Nifty remains or expires between the given safeguard levels. Maximum profit for the strategy would be 11,040 while maximum loss would be 8,955.