That is, 50,000 *4.6% divided by 365 is the daily interest, then 82 days multiplied by 82, and so on.
However, you should take into account that bank wealth management products generally have a lock-up period, and there is a smooth extension when they are brought back, and they will generally eat you for about 5 days.
However, in fact, this product feels ordinary. I suggest you look at the agreed income share of index grading funds, which is generally higher than this interest rate.