Why is Onyx Biotec falling/rising?

As of 20-Oct, Onyx Biotec Ltd's stock price is currently at Rs 36.30, reflecting a decline of Rs 6.1 or 14.39%. The stock has significantly underperformed, with a one-week return of -16.26% and a one-month return of -19.78%. It is also trading below all key moving averages, indicating a bearish trend. Additionally, the stock is close to its 52-week low, just 2.2% away from Rs 35.5. Despite a rise in delivery volume by 33.33% on October 17, which suggests increased investor participation, there are no positive factors identified in the provided data to counterbalance the negative performance.
In the broader market context, the Sensex has shown resilience with a one-week gain of 2.44% and a one-month gain of 2.04%, contrasting sharply with Onyx Biotec's poor performance. This indicates that while the overall market is experiencing growth, Onyx Biotec is struggling significantly, with a year-to-date decline of 38.99% compared to the Sensex's increase of 9.30%. The stark difference in performance suggests that investor sentiment towards Onyx Biotec is weak, further contributing to its declining stock price.