Last Updated
：2025/11/20
triple witching
Noun
uncountable
Japanese Meaning
(金融用語) 米国市場において、株価指数先物、株価指数オプション、株式オプションが同時に満期を迎える現象。従来は3月、6月、9月、12月の第三金曜日に発生していた（但し、単一株先物の導入により、これらは四重魔法（quadruple witching）となった）。
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(finance) Simultaneous expiry on US markets of stock index futures, stock index options, and stock options, which took place on the third Friday of March, June, September, and December. (With the introduction of single stock futures those days are now quadruple witching.)
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triple witching
Traders adjusted their strategies ahead of triple witching, anticipating increased volatility as multiple derivative contracts expired simultaneously.
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Traders adjusted their strategies ahead of triple witching, anticipating increased volatility as multiple derivative contracts expired simultaneously.
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