OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

OPEN $500.00 Put

OPEN1271217P00000500

Latest saved OI2,354Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $500.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,3631,1810 2026-10-09: 2,363 OI2026-10-13: 2,363 OI2026-10-14: 2,363 OI2026-10-15: 2,363 OI2026-10-16: 2,363 OI2026-10-21: 2,354 OI2026-10-23: 2,354 OI Oct 09, 2026Oct 23, 2026

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

OPEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,3540
Oct 21, 20262,354-9
Oct 16, 20262,3630
Oct 15, 20262,3630
Oct 14, 20262,3630
Oct 13, 20262,3630
Oct 09, 20262,363No prior observation