OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

FUN $17.50 Put

FUN261218P00017500

Latest saved OI181Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FUN $17.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2021010 2026-10-02: 202 OI2026-10-05: 202 OI2026-10-06: 202 OI2026-10-07: 202 OI2026-10-09: 202 OI2026-10-13: 202 OI2026-10-14: 202 OI2026-10-15: 201 OI2026-10-16: 201 OI2026-10-21: 181 OI2026-10-23: 181 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

FUN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1810
Oct 21, 2026181-20
Oct 16, 20262010
Oct 15, 2026201-1
Oct 14, 20262020
Oct 13, 20262020
Oct 09, 20262020
Oct 07, 20262020
Oct 06, 20262020
Oct 05, 20262020
Oct 02, 2026202No prior observation