diverge
verb [ I ]
ECONOMICS, FINANCE uk/daɪˈvɜːdʒ/ usif rates, values, or amounts diverge, the difference between them increases:
Tracking errors can cause funds to diverge slightly from the indices they follow.
diverge sharply/widely/significantly
to be very different, or to develop in different or unexpected ways:
diverge on/about sth Opinions diverge on whether the new CEO will be able to restore the company's reputation and profitability.
Firms should be allowed to diverge from their sector's pay deal if two-thirds of employees are in favour.