OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

U $38.00 Put

U261030P00038000

Latest saved OI241Oct 23, 2026
Last change+46vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $38.00 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. 2411200 2026-10-02: 44 OI2026-10-05: 44 OI2026-10-06: 43 OI2026-10-07: 43 OI2026-10-08: 43 OI2026-10-09: 43 OI2026-10-14: 35 OI2026-10-15: 51 OI2026-10-16: 53 OI2026-10-21: 195 OI2026-10-23: 241 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, 2026Viewing241+46
Oct 21, 2026195+142
Oct 16, 202653+2
Oct 15, 202651+16
Oct 14, 202635-8
Oct 09, 2026430
Oct 08, 2026430
Oct 07, 2026430
Oct 06, 202643-1
Oct 05, 2026440
Oct 02, 202644No prior observation