Flash(redirected from flash button)
Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia.
When the tape is late by more than five minutes, the current price of a security that periodically displays, or "flashes," on the ticker. This interrupts the delayed prices and keeps investors abreast of where the current price is even if they do not know how it arrived there. The flash price displays every five or 10 minutes.