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Contract OI history

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Dec 18, 2026 EXPIRATION

GLW $135.00 Put

GLW261218P00135000

Latest saved OI4,029Oct 23, 2026
Last change+25vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GLW $135.00 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. 4,0292,0140 2026-10-02: 602 OI2026-10-05: 3,945 OI2026-10-06: 3,977 OI2026-10-07: 3,930 OI2026-10-08: 3,930 OI2026-10-09: 3,934 OI2026-10-13: 4,016 OI2026-10-14: 4,016 OI2026-10-15: 4,017 OI2026-10-16: 4,008 OI2026-10-21: 4,004 OI2026-10-23: 4,029 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, 20264,029+25
Oct 21, 2026Viewing4,004-4
Oct 16, 20264,008-9
Oct 15, 20264,017+1
Oct 14, 20264,0160
Oct 13, 20264,016+82
Oct 09, 20263,934+4
Oct 08, 20263,9300
Oct 07, 20263,930-47
Oct 06, 20263,977+32
Oct 05, 20263,945+3,343
Oct 02, 2026602No prior observation