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Contract OI history

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May 21, 2027 EXPIRATION

GLW $85.00 Put

GLW270521P00085000

Latest saved OI513Oct 23, 2026
Last change+10vs 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. 5132560 2026-10-02: 67 OI2026-10-05: 67 OI2026-10-06: 67 OI2026-10-07: 67 OI2026-10-08: 67 OI2026-10-09: 67 OI2026-10-13: 288 OI2026-10-14: 288 OI2026-10-15: 498 OI2026-10-16: 498 OI2026-10-21: 503 OI2026-10-23: 513 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, 2026513+10
Oct 21, 2026Viewing503+5
Oct 16, 20264980
Oct 15, 2026498+210
Oct 14, 20262880
Oct 13, 2026288+221
Oct 09, 2026670
Oct 08, 2026670
Oct 07, 2026670
Oct 06, 2026670
Oct 05, 2026670
Oct 02, 202667No prior observation