This is a bond where the interest gets accumulated and is added to the principal balance. The interest gets paid at a later date when the interest is accreted and hence it is also called as accretion bond.

The account that requires the account holder to maintain a zero balance is a zero balance account. The ZBA account receives funds that are enough to cover those checks which are presented.

Zero Coupon Bonds do not pay an interest to the investor. After a year or more of maturing period, the Zero Coupon Bonds are purchased at the discounted face price.

Zero-beta portfolio is a portfolio created using risk free assets.

This is also known as a zero uptick and it is a trade which occurs at the price that is same as the trade preceding it but is higher than the trade that last occurred at a different price.