OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

OSS $10.00 Put

OSS270115P00010000

Latest saved OI234Oct 23, 2026
Last change-50vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
OSS $10.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3291640 2026-10-08: 329 OI2026-10-09: 329 OI2026-10-13: 329 OI2026-10-14: 319 OI2026-10-16: 322 OI2026-10-20: 284 OI2026-10-23: 234 OI Oct 08, 2026Oct 23, 2026

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

OSS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026234-50
Oct 20, 2026Viewing284-38
Oct 16, 2026322+3
Oct 14, 2026319-10
Oct 13, 20263290
Oct 09, 20263290
Oct 08, 2026329No prior observation