BHEL option volatility smile chart BHEL option put call ratio chart BHEL option open interest chart BHEL option pain chart option analysis : bhel stock today trading at 167 with gain.180 is strong resistance level from option analysis and major open interest build seen at this level. on downsid e150-160 is major support area. call option side volatility is picking up suggesting market interest towards long side. so traders can use bhel 170 call options for buying and accumulation with stop loss. forby sms visit our page.