Why is BSE falling/rising?

As of 27-Jun, BSE Ltd's current price is 2,775.60, reflecting a decrease of 27.4 points or 0.98%. Despite this decline, the stock has shown strong performance over various periods, with a 1-week return of 3.26%, a 1-month return of 15.46%, and an impressive year-to-date return of 56.34%. However, today's performance indicates that the stock underperformed its sector by 1.07%, and there has been a notable decrease in investor participation, with delivery volume falling by 7.71% compared to the 5-day average. The stock is trading above its moving averages across multiple time frames, suggesting a generally strong trend despite the current price drop. The company has demonstrated robust long-term fundamental strength, with a significant growth in operating profits and net profits, which have contributed to its high ratings among peers.
In the broader market context, while BSE Ltd has outperformed the Sensex with a 1-year return of 226.01% compared to the Sensex's 6.63%, the recent price decline may be attributed to its high valuation metrics, including a Price to Book Value of 25.5, which is considered expensive relative to its peers. Although the stock has generated substantial returns, the profit growth has not kept pace with the stock price increase, leading to a PEG ratio of 0.4, indicating potential overvaluation concerns. This combination of high valuation and reduced trading volume may be contributing to the recent price decline, despite the company's strong operational performance and market position.