English Reference
Idiom idiom

break the buck


To fall below the value of one dollar per share.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

“The stock price will break the buck if it falls further.”

CONTEXTUAL

“Investors panicked when the fund's share price began to break the buck during the market crash.”

COMPLEX

“Financial analysts warned that if the stablecoin continued to break the buck, it would trigger a massive loss of confidence among institutional traders.”


From the colloquial *buck*, denoting a dollar, combined with *break* in the sense of exhausting a reserve of funds. The construction mirrors the earlier idiom *break the bank*.


Related idioms8entries
  1. 01

    all bedlam breaks loose

    The situation becomes chaotic or characterized by conflict or rage.

  2. 02

    all hell breaks loose

    The situation becomes chaotic or characterized by conflict or rage.

  3. 03

    bang for the buck

    Efficiency; cost-effectiveness; value.

  4. 04

    big break

    A breakthrough, especially the first big hit of a previously unknown performer or performers in the entertainment industry.

  5. 05

    big bucks

    Lots of money.

  6. 06

    break a leg

    Good luck!; Do your best!; Said to someone wishing they perform well in a theatrical production or comparable endeavor.

  7. 07

    break a sweat

    To put effort into something.

  8. 08

    break cover

    To disclose one's real thoughts and intentions.

Last updated August 10, 2026