Indian benchmark indices ended weekly expiry on a marginally positive tone followed by growing uncertainty over completion of 'Phase One' deal between US-China. At close, Sensex ended 170.42 points higher or 0.42% at 40286.48 while the Nifty was up 30 points or 0.25% at 11870.50. Overall market breadth was negative as 1058 stocks were declined and 726 stocks advanced and 358 were unchanged on NSE. India VIX, which measures the implied volatility of Nifty 50 options, was down by 5.84% at 15.50.
According to weekly option derivatives diaries, maximum Call writing open interest of 5.69 lakh contracts was seen at the 11900 strike price, which will act as a crucial resistance level for tomorrow's trading session. However, Put writing open interest seen at 11800 strike price with 8.87 lakh contracts, which will act as a strong support.