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Quarterly XEO Options Product Specification

Quarterly European-style S&P 100™ (XEO) Index Options

Product Snapshot

(as of June 23, 2025)

XEO

Symbol

783790

CUSIP Number

100

Multiplier

Product Detail Page

Trading Hours

Beginning with June 2009 expiration, Cboe is changing the close of trading hours from 3:15 p.m. (Chicago time) to 3:00 p.m. (Chicago time) on the last day of trading only in expiring Quarterly Index Expirations on broad-based indexes (i.e.; SPX, XSP and XEO). All non-expiring Quarterly Index Expirations will continue to trade until 3:15 p.m. Refer to IC09-120 for additional information.

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Quarterly European-style S&amp;P 100<sup>&trade;</sup> Index Options expire on the last business day of each calendar quarter. Quarterly European-style S&amp;P 100<sup>&trade;</sup> Index Options are PM-settled ; that is, their exercise settlement value is based on the closing level of the S&amp;P 100 Index on the day the options expire.