The Sensex and Nifty opened at fresh record levels in early trade on Friday, October 17, 2025. The Sensex started trading today at 83385.26, down at 82.40 points or 0.10%, and the Nifty was at 25556.10, down at 29.20 points or 0.11%. Meanwhile, the Indian rupee was trading today at 87.77 against the dollar.