Benchmark indices Sensex and Nifty closed almost unchanged in a volatile session on Monday (April 20, 2026) as investors turned cautious amid mounting geopolitical headwinds and rising crude oil prices.

The 30-share BSE Sensex closed marginally up 26.76 points or 0.03% at 78,520.30. During the day, it hit a high of 78,942.45 and a low of 78,203.30, gyrating 739.15 points.