OITracker Cboe delayed data

Contract OI history

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Dec 15, 2028 EXPIRATION

U $70.00 Put

U281215P00070000

Latest saved OI34Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $70.00 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. 34170 2026-10-02: 31 OI2026-10-05: 31 OI2026-10-06: 31 OI2026-10-07: 31 OI2026-10-08: 31 OI2026-10-09: 31 OI2026-10-14: 33 OI2026-10-15: 34 OI2026-10-16: 34 OI2026-10-21: 34 OI2026-10-23: 34 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, 2026Viewing340
Oct 21, 2026340
Oct 16, 2026340
Oct 15, 202634+1
Oct 14, 202633+2
Oct 09, 2026310
Oct 08, 2026310
Oct 07, 2026310
Oct 06, 2026310
Oct 05, 2026310
Oct 02, 202631No prior observation