What is the ratio of cbETH to ETH?

As a keen observer of the cryptocurrency market, I'm particularly interested in understanding the dynamics between various tokens and their underlying assets. Could you elaborate on the ratio of cbETH to ETH? Is this ratio fixed or does it fluctuate based on market conditions? I'm curious to know if there are any factors that significantly influence this ratio, such as supply and demand, or the overall sentiment in the crypto community. Understanding this ratio could help investors make informed decisions about their portfolios, so I'd appreciate a detailed explanation.