OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

NET $310.00 Put

NET261218P00310000

Latest saved OI1,056Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NET $310.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0595290 2026-10-02: 1,049 OI2026-10-05: 1,040 OI2026-10-06: 1,031 OI2026-10-07: 1,038 OI2026-10-08: 1,038 OI2026-10-09: 1,037 OI2026-10-13: 1,047 OI2026-10-14: 1,047 OI2026-10-15: 1,048 OI2026-10-16: 1,052 OI2026-10-21: 1,059 OI2026-10-23: 1,056 OI Oct 02, 2026Oct 23, 2026

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

NET contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,056-3
Oct 21, 20261,059+7
Oct 16, 20261,052+4
Oct 15, 20261,048+1
Oct 14, 20261,0470
Oct 13, 20261,047+10
Oct 09, 20261,037-1
Oct 08, 20261,0380
Oct 07, 20261,038+7
Oct 06, 20261,031-9
Oct 05, 20261,040-9
Oct 02, 20261,049No prior observation