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Contract OI history

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Dec 18, 2026 EXPIRATION

GLW $230.00 Put

GLW261218P00230000

Latest saved OI0Oct 23, 2026
Last change-49vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GLW $230.00 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. 96480 2026-10-02: 94 OI2026-10-05: 94 OI2026-10-06: 94 OI2026-10-07: 96 OI2026-10-08: 96 OI2026-10-09: 96 OI2026-10-13: 96 OI2026-10-14: 96 OI2026-10-15: 96 OI2026-10-16: 56 OI2026-10-21: 49 OI2026-10-23: 0 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, 20260-49
Oct 21, 2026Viewing49-7
Oct 16, 202656-40
Oct 15, 2026960
Oct 14, 2026960
Oct 13, 2026960
Oct 09, 2026960
Oct 08, 2026960
Oct 07, 202696+2
Oct 06, 2026940
Oct 05, 2026940
Oct 02, 202694No prior observation