The Nifty futures open interest increased slightly while the Minifuties open interest decreased significantly. The implied volatility of at-the-money options decreased. Some stocks saw increases in open interest like JISLJALEQS, EDUCOMP, and GAIL, while others saw decreases like FEDERALBNK, BGRENERGY, and GRASIM. The put-call ratio decreased slightly. Short positions were formed in index futures and some banking stocks may see further correction due to long unwinding.