OITracker Cboe delayed data

Contract OI history

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Sep 17, 2027 EXPIRATION

C $120.00 Put

C270917P00120000

Latest saved OI2,614Oct 23, 2026
Last change+21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $120.00 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. 2,6141,3070 2026-10-02: 2,030 OI2026-10-05: 2,030 OI2026-10-06: 2,040 OI2026-10-07: 2,048 OI2026-10-08: 2,048 OI2026-10-09: 2,048 OI2026-10-13: 2,200 OI2026-10-14: 2,200 OI2026-10-15: 2,520 OI2026-10-16: 2,519 OI2026-10-21: 2,593 OI2026-10-23: 2,614 OI Oct 02, 2026Oct 23, 2026

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

C contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,614+21
Oct 21, 20262,593+74
Oct 16, 20262,519-1
Oct 15, 20262,520+320
Oct 14, 20262,2000
Oct 13, 20262,200+152
Oct 09, 20262,0480
Oct 08, 20262,0480
Oct 07, 20262,048+8
Oct 06, 20262,040+10
Oct 05, 20262,0300
Oct 02, 20262,030No prior observation