What company has the highest beta?

Could you please enlighten me on which company, in the realm of financial markets, currently boasts the highest beta? I'm particularly intrigued to understand the level of volatility that this entity exhibits compared to the broader market index, as it could provide valuable insights into the risks and potential rewards associated with investing in their shares. Furthermore, I'm also curious about the underlying factors that might contribute to such a high beta rating, be it the company's business model, market conditions, or any other external influences.