Could you please elaborate on the comparison between theta and beta? I'm curious to understand which one might be superior in terms of performance, reliability, or perhaps even in terms of risk? Given the vastness of the financial and cryptocurrency landscape, it's essential to make informed decisions. Therefore, could you provide a concise yet comprehensive overview of the pros and cons of both theta and beta, highlighting their key differences and potential advantages? This would greatly assist me in evaluating their respective merits and making a well-informed choice. Thank you for your time and expertise in this matter.