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Contract OI history

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Jan 15, 2027 EXPIRATION

GD $320.00 Put

GD270115P00320000

Latest saved OI308Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GD $320.00 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. 3131560 2026-10-02: 313 OI2026-10-05: 313 OI2026-10-06: 313 OI2026-10-07: 313 OI2026-10-08: 312 OI2026-10-09: 312 OI2026-10-13: 312 OI2026-10-14: 312 OI2026-10-15: 312 OI2026-10-16: 312 OI2026-10-21: 310 OI2026-10-23: 308 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, 2026308-2
Oct 21, 2026Viewing310-2
Oct 16, 20263120
Oct 15, 20263120
Oct 14, 20263120
Oct 13, 20263120
Oct 09, 20263120
Oct 08, 2026312-1
Oct 07, 20263130
Oct 06, 20263130
Oct 05, 20263130
Oct 02, 2026313No prior observation