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Contract OI history

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Dec 18, 2026 EXPIRATION

GAP $21.00 Call

GAP261218C00021000

Latest saved OI457Oct 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 $21.00 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. 4972480 2026-10-02: 497 OI2026-10-05: 497 OI2026-10-06: 496 OI2026-10-07: 481 OI2026-10-08: 480 OI2026-10-09: 480 OI2026-10-13: 480 OI2026-10-14: 480 OI2026-10-15: 480 OI2026-10-16: 480 OI2026-10-21: 457 OI2026-10-23: 457 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, 2026Viewing4570
Oct 21, 2026457-23
Oct 16, 20264800
Oct 15, 20264800
Oct 14, 20264800
Oct 13, 20264800
Oct 09, 20264800
Oct 08, 2026480-1
Oct 07, 2026481-15
Oct 06, 2026496-1
Oct 05, 20264970
Oct 02, 2026497No prior observation