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Contract OI history

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Dec 18, 2026 EXPIRATION

GLW $85.00 Put

GLW261218P00085000

Latest saved OI487Oct 23, 2026
Last change-7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GLW $85.00 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. 4942470 2026-10-02: 451 OI2026-10-05: 451 OI2026-10-06: 451 OI2026-10-07: 449 OI2026-10-08: 449 OI2026-10-09: 449 OI2026-10-13: 449 OI2026-10-14: 449 OI2026-10-15: 450 OI2026-10-16: 450 OI2026-10-21: 494 OI2026-10-23: 487 OI Oct 02, 2026Oct 23, 2026

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

GLW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing487-7
Oct 21, 2026494+44
Oct 16, 20264500
Oct 15, 2026450+1
Oct 14, 20264490
Oct 13, 20264490
Oct 09, 20264490
Oct 08, 20264490
Oct 07, 2026449-2
Oct 06, 20264510
Oct 05, 20264510
Oct 02, 2026451No prior observation