Why is BSE falling/rising?

As of 21-Aug, BSE Ltd's stock price is currently at 2,332.20, reflecting a decline of 190.8 points or 7.56%. The stock has underperformed its sector by 7.46% today, with a delivery volume that has decreased by 15.65% compared to the 5-day average, indicating falling investor participation. Although the stock has shown strong long-term performance with a 31.36% increase year-to-date and an impressive 160.07% rise over the past year, it is currently trading below its short-term moving averages. The company has demonstrated robust fundamentals, including a 116.05% growth in net profit and consistent positive results over the last 10 quarters, but its high valuation metrics, such as a 21.4 Price to Book Value, suggest that it may be perceived as expensive relative to its peers.
In the broader market context, the stock's 1-week return of -6.04% contrasts sharply with the Sensex's gain of 1.84%, highlighting a significant underperformance in the short term. While BSE Ltd has consistently outperformed the broader market over longer periods, the recent price decline may be influenced by market sentiment regarding its high valuation and reduced trading activity. The stock's liquidity remains adequate for trading, but the combination of falling investor interest and a premium valuation could be contributing to the current downward pressure on its price.