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Contract OI history

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Mar 19, 2027 EXPIRATION

GLW $85.00 Put

GLW270319P00085000

Latest saved OI289Oct 23, 2026
Last change+1vs 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. 2891440 2026-10-02: 69 OI2026-10-05: 69 OI2026-10-06: 69 OI2026-10-07: 69 OI2026-10-08: 69 OI2026-10-09: 71 OI2026-10-13: 287 OI2026-10-14: 287 OI2026-10-15: 287 OI2026-10-16: 287 OI2026-10-21: 288 OI2026-10-23: 289 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, 2026289+1
Oct 21, 2026Viewing288+1
Oct 16, 20262870
Oct 15, 20262870
Oct 14, 20262870
Oct 13, 2026287+216
Oct 09, 202671+2
Oct 08, 2026690
Oct 07, 2026690
Oct 06, 2026690
Oct 05, 2026690
Oct 02, 202669No prior observation