Meanings
- uncountablebusinessSimultaneous 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.)
Origin
The idea of witching for these days is from the unusual patterns of trading that can occur ahead of the contract expiries.
Full word history & related roots →Cite this entry
triple witching. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/triple%20witching
“triple witching.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/triple%20witching. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “triple witching,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/triple%20witching.
Source: triple witching on Wiktionary, CC BY-SA 4.0.