SPXW expiration guide

SPXW Expiration Dates

SPXW is the PM-settled S&P 500 index option series used for short-dated expirations. This page answers the November 2025 date question and explains how SPXW differs from standard monthly SPX options.

November 17, 2025

Monday SPXW expiration

November 17, 2025 was a Monday SPXW short-dated expiration, not the standard monthly SPX OpEx.

November 2025 monthly SPX OpEx

Friday, November 21, 2025

The standard monthly SPX cycle is separate from daily or weekly SPXW expirations.

Settlement distinction

SPXW PM, monthly SPX AM

SPXW generally settles to the closing index value; standard monthly SPX uses AM settlement.

SPXW November 2025 expiration reference

Cboe can list SPXW expirations across business days. The table calls out the November 17 weekly date and the separate November monthly SPX OpEx date.

DateCycleNote
Monday, November 3, 2025SPXWMonday SPXW expiration cycle
Tuesday, November 4, 2025SPXWTuesday SPXW expiration cycle
Wednesday, November 5, 2025SPXWWednesday SPXW expiration cycle
Thursday, November 6, 2025SPXWThursday SPXW expiration cycle
Friday, November 7, 2025SPXWFriday SPXW expiration cycle
Monday, November 10, 2025SPXWMonday SPXW expiration cycle
Tuesday, November 11, 2025SPXWTuesday SPXW expiration cycle
Wednesday, November 12, 2025SPXWWednesday SPXW expiration cycle
Thursday, November 13, 2025SPXWThursday SPXW expiration cycle
Friday, November 14, 2025SPXWFriday SPXW expiration cycle
Monday, November 17, 2025SPXWMonday SPXW weekly expiration reference
Tuesday, November 18, 2025SPXWTuesday SPXW expiration cycle
Wednesday, November 19, 2025SPXWWednesday SPXW expiration cycle
Thursday, November 20, 2025SPXWThursday SPXW expiration cycle
Friday, November 21, 2025Monthly SPXStandard November monthly SPX OpEx
Monday, November 24, 2025SPXWMonday SPXW expiration cycle
Tuesday, November 25, 2025SPXWTuesday SPXW expiration cycle
Wednesday, November 26, 2025SPXWWednesday SPXW expiration cycle
Friday, November 28, 2025SPXWFriday SPXW expiration cycle

2026 standard monthly SPX reference dates

Use these dates as the standard monthly index cycle reference, then treat SPXW as the short-dated PM-settled series around those anchors.

MonthDateCycleNote
JanuaryFriday, January 16, 2026MonthlyStandard monthly OpEx
FebruaryFriday, February 20, 2026MonthlyStandard monthly OpEx
MarchFriday, March 20, 2026QuarterlyQuarterly OpEx month
AprilFriday, April 17, 2026MonthlyStandard monthly OpEx
MayFriday, May 15, 2026MonthlyStandard monthly OpEx
JuneThursday, June 18, 2026QuarterlyMoved from June 19, 2026 for a market holiday
JulyFriday, July 17, 2026MonthlyStandard monthly OpEx
AugustFriday, August 21, 2026MonthlyStandard monthly OpEx
SeptemberFriday, September 18, 2026QuarterlyQuarterly OpEx month
OctoberFriday, October 16, 2026MonthlyStandard monthly OpEx
NovemberFriday, November 20, 2026MonthlyStandard monthly OpEx
DecemberFriday, December 18, 2026QuarterlyQuarterly OpEx month

Last verified

Date-sensitive calendar references on this page were checked on May 30, 2026. Calendar math is useful for planning, but listed contracts and exchange calendars should still be verified before production workflows run.

SPXW listing and settlement behavior should be checked against current Cboe SPX product specifications before production use.

Operational usage

How to use SPXW Expiration Dates in a real workflow

Treat this page as a decision boundary for the surrounding API workflow. Before a value from SPXW Expiration Datesenters a scanner, dashboard, calendar, backtest, or support answer, store the source route, request parameters, relevant timestamp, freshness label, and the reason the value is suitable for the next step.

The important implementation habit is to keep display labels separate from stable identifiers. Dates should remain tied to the calendar rule or listed-expiration source that produced them. Option rows should keep the OCC symbol, expiration, strike, side, quote state, and pagination context that created the row. Provider or product answers should keep the entitlement, licensing, and support assumptions visible.

When the workflow changes, rerun the page against one concrete example instead of trusting a general claim. Pick the ticker, date window, endpoint family, and expected output artifact. Then verify that the same terminology appears in the API request, UI label, log entry, and review checklist.

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