triple witching hour


the last hour of trading on the New York Stock Exchange on the four Fridays each year when stock options, stock index futures, and options on such futures simultaneously expire: regarded as a time of extreme volatility in trading.

Nearby words

  1. triple superphosphate,
  2. triple threat,
  3. triple time,
  4. triple vision,
  5. triple voile,
  6. triple-decker,
  7. triple-digit,
  8. triple-double,
  9. triple-expansion,
  10. triple-header

Origin of triple witching hour

First recorded in 1985–90 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019