The rETH exchange rate (Ci) is positively correlated to the Staking income, which is mainly composed of the total amount of ETH locked in the SC (Qstk), the total amount of redeemed ETH (Qred), the amount of staking rewards (Qrew), the amount of slash (Qslh), the amount of Penalty (Qpey), and the commission ratio (Rcom), as well as the total amount of rETH issued (M), and the total amount of rETH destroyed (N). The formula is as follows: