The Nifty 50 erased 1.33 percent from its intraday high of 23,120 to close 0.34 percent lower on October 21, extending its losses for a second consecutive session. The persistently weak broader market structure and elevated oil prices are likely to keep bearish sentiment intact. According to experts, if the index manages to hold above the Bollinger Bands’ midline at 22,790 on a closing basis, a rebound toward the 22,900–23,000 zone is possible.