CBBC is a leveraged investment product, to trace the performance of related assets by relatively small fund.
CBBC has expiration date, exercise price and redemption price on the day of issue, once the price of underlying asset touch recovery price, CBBC will take mandatory recycling.

CBBC can be divided into Bull, Bear. If optimistic outlook, you can invest Bull; if bearish outlook, you can invest Bear.

CBBC can be divided according to remaining value: no residual value (called class N), possible residual value (called class R). Presently, all listed CBBC are class R.