Call Rule

Call Rule

A rule on an exchange stating that the opening price for a cash commodity is set at the end of the previous trading day. This price is always close to the closing price for that trading day. The call rule helps reduce the volatility that can occur in overnight trading. See also: After-hours trading.
References in periodicals archive ?
I made my own rule for this age group that I call Rule of 99-15.
The abandoned call rule is effective 30 days, the opt-out requirement 90 days, and the written agreement rule and elimination of the EBR exemption one year from the date the final rule is published in the Federal Register.
The near-future setting and focus on technological changes makes it tempting to call Rule 34 a cyberpunk novel, but unlike most in the genre, it focuses on the effects of technology on ordinary people, instead of the hackers who create it.
From strictly the practical view, the instantaneous call rule will eliminate much indecision and unpleasantness.
Refer to the public call rules for the application concerning the provisional timetable.
They are making reasonable progress on corporate espionage by coming together with what we call rules of the road.
The Federal Trade Commission, which goes after businesses for deceptive business practices, say it receives on average of 150,000 complaints a month on robocalls and has filed more than 100 lawsuits against violators of the Do Not Call rules.