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Contract OI history

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Jan 15, 2027 EXPIRATION

GD $400.00 Call

GD270115C00400000

Latest saved OI190Oct 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
GD $400.00 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. 196980 2026-10-02: 194 OI2026-10-05: 194 OI2026-10-06: 193 OI2026-10-07: 193 OI2026-10-08: 193 OI2026-10-09: 193 OI2026-10-13: 196 OI2026-10-14: 194 OI2026-10-15: 194 OI2026-10-16: 194 OI2026-10-21: 187 OI2026-10-23: 190 OI Oct 02, 2026Oct 23, 2026

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

GD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing190+3
Oct 21, 2026187-7
Oct 16, 20261940
Oct 15, 20261940
Oct 14, 2026194-2
Oct 13, 2026196+3
Oct 09, 20261930
Oct 08, 20261930
Oct 07, 20261930
Oct 06, 2026193-1
Oct 05, 20261940
Oct 02, 2026194No prior observation