n. A coming together. Convergence can occur between different disciplines and technologies, as when telephone communications and computing converge in the field of telecommunications. It can also occur within a program, such as a spreadsheet, when a circular set of formulas are repeatedly recalculated (iterated), with the results of each iteration coming closer to a true solution.
Bloomberg Financial Glossary
趋同趋同 The movement of the price of a futures contract toward the price of the underlying cash commodity. At the start, the contract price is higher because of time value. But as the contract nears expiration, and time value decreases, the futures price and the cash price converge.
Investopedia Financial Terms
Convergence
A movement in the price of a futures contract toward the price of the underlying cash commodity. At the start, the contract price is higher because of the time value.
Investopedia Says:
As a futures contract nears expiration, the futures price and the cash price converge to eventually become the same price (usually).