OITracker Cboe delayed data

Contract OI history

Back to GAP

Oct 30, 2026 EXPIRATION

GAP $21.50 Call

GAP261030C00021500

Latest saved OI131Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GAP $21.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 132660 2026-10-02: 42 OI2026-10-05: 42 OI2026-10-06: 42 OI2026-10-07: 42 OI2026-10-08: 42 OI2026-10-09: 42 OI2026-10-13: 132 OI2026-10-14: 132 OI2026-10-15: 132 OI2026-10-16: 132 OI2026-10-21: 131 OI2026-10-23: 131 OI Oct 02, 2026Oct 23, 2026

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

GAP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1310
Oct 21, 2026131-1
Oct 16, 20261320
Oct 15, 20261320
Oct 14, 20261320
Oct 13, 2026132+90
Oct 09, 2026420
Oct 08, 2026420
Oct 07, 2026420
Oct 06, 2026420
Oct 05, 2026420
Oct 02, 202642No prior observation