triple witching hour


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Related to triple witching hour: Triple Witching Day

triple witching hour

n.
The hour before the closing of the stock market on the third Friday of March, June, September, or December, when stock index options, stock index futures, and stock options expire, known for its high trading volume and volatile prices.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tri′ple witch′ing hour`


n.
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.
[1985–90]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
I will cherish your memories forever until that last final triple witching hour when the theta curve decay goes exponential and eternal.
"This fall has been a strange time -- a triple witching hour of market volatility, a national election and drawn-out Jewish holidays that have disrupted the cycle," says Melissa Cohn, president of the Manhattan Mortgage Company.
TRIPLE WITCHING HOUR Final trading hour of the third Friday of the month, when listed options expire.