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Contract OI history

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Nov 20, 2026 EXPIRATION

GD $320.00 Put

GD261120P00320000

Latest saved OI124Oct 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 $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. 132660 2026-10-02: 107 OI2026-10-05: 108 OI2026-10-06: 109 OI2026-10-07: 109 OI2026-10-08: 106 OI2026-10-09: 128 OI2026-10-13: 132 OI2026-10-14: 132 OI2026-10-15: 132 OI2026-10-16: 131 OI2026-10-21: 127 OI2026-10-23: 124 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, 2026124-3
Oct 21, 2026Viewing127-4
Oct 16, 2026131-1
Oct 15, 20261320
Oct 14, 20261320
Oct 13, 2026132+4
Oct 09, 2026128+22
Oct 08, 2026106-3
Oct 07, 20261090
Oct 06, 2026109+1
Oct 05, 2026108+1
Oct 02, 2026107No prior observation