OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

T $30.00 Put

T261218P00030000

Latest saved OI35Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $30.00 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. 8024010 2026-10-02: 802 OI2026-10-05: 802 OI2026-10-06: 802 OI2026-10-07: 802 OI2026-10-08: 802 OI2026-10-09: 738 OI2026-10-14: 35 OI2026-10-15: 35 OI2026-10-16: 35 OI2026-10-21: 35 OI2026-10-23: 35 OI Oct 02, 2026Oct 23, 2026

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

T contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing350
Oct 21, 2026350
Oct 16, 2026350
Oct 15, 2026350
Oct 14, 202635-703
Oct 09, 2026738-64
Oct 08, 20268020
Oct 07, 20268020
Oct 06, 20268020
Oct 05, 20268020
Oct 02, 2026802No prior observation