On weekly expiry day, Indian benchmark indices witnessed profit booking in the market that pulls back the Nifty but manage to sustain above 12,150 levels followed by supportive global cues. At close, the Sensex was down 106.11 points at 41,459.79, while Nifty was down 26.50 points at 12,174.70. Overall market breadth was in favour of sellers as 790 shares are advanced and only 986 shares are declines, and 374 shares remained unchanged. Among sectoral indices, Nifty IT, pharma, media FMCG and PSU bank ended higher, while metal, auto, infra and financial services ended lower. India VIX, which measures the implied volatility of Nifty 50 options, was down by 1.15% at 13.46.
According to weekly option derivative diaries, maximum Call Writing open interest of 15.10 lakh contracts was seen at the 12,200 strike price, which will act as a crucial resistance level for next trading session. However, Put Writing open interest seen at 12,100 strike price with 10.41 lakh contracts, which will act as a strong support.