OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

U $36.00 Put

U270115P00036000

Latest saved OI342Oct 23, 2026
Last change+20vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $36.00 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. 3421710 2026-10-02: 265 OI2026-10-05: 265 OI2026-10-06: 278 OI2026-10-07: 280 OI2026-10-08: 280 OI2026-10-09: 283 OI2026-10-14: 279 OI2026-10-15: 290 OI2026-10-16: 332 OI2026-10-21: 322 OI2026-10-23: 342 OI Oct 02, 2026Oct 23, 2026

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

U contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing342+20
Oct 21, 2026322-10
Oct 16, 2026332+42
Oct 15, 2026290+11
Oct 14, 2026279-4
Oct 09, 2026283+3
Oct 08, 20262800
Oct 07, 2026280+2
Oct 06, 2026278+13
Oct 05, 20262650
Oct 02, 2026265No prior observation