Zero-sum game

A situation in which the total gain or loss of all participants is zero, so one person's gain is balanced by another's loss.

Zero-based budgeting

A budgeting method in which all expenses must be justified for each new period, rather than using the previous period's expenses as a starting point.

Zero-coupon swap

A financial derivative in which two parties exchange a series of cash flows, with one party paying a fixed interest rate and the other paying a floating rate.

Zero-based pricing

A pricing strategy that starts with the cost of goods or services and adds a profit margin, rather than setting a price and then calculating the cost.

Zero-cost collar

An options strategy that involves selling a call option and buying a put option at different strike prices, with the premium from the call option offsetting the cost of the put option.

Zero-sum budget

A budget in which all available funds are allocated and no money is left unspent or unused.

Zero-sum budgeting

A budgeting method that assumes all resources are limited and must be allocated among different activities or projects.

Z-score

A statistical measure used to evaluate the creditworthiness of a company or individual, based on their financial statements and other factors.

Zero-coupon bond

A financial instrument that does not pay periodic interest and is sold at a discount to its face value.

Zweig ratio

A financial ratio that compares the market value of a company's assets to the value of its liabilities.