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Contract OI history

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Dec 18, 2026 EXPIRATION

GLW $250.00 Put

GLW261218P00250000

Latest saved OI400Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GLW $250.00 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. 4282140 2026-10-02: 428 OI2026-10-05: 428 OI2026-10-06: 428 OI2026-10-07: 428 OI2026-10-08: 428 OI2026-10-09: 428 OI2026-10-13: 405 OI2026-10-14: 405 OI2026-10-15: 400 OI2026-10-16: 400 OI2026-10-21: 400 OI2026-10-23: 400 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, 2026Viewing4000
Oct 21, 20264000
Oct 16, 20264000
Oct 15, 2026400-5
Oct 14, 20264050
Oct 13, 2026405-23
Oct 09, 20264280
Oct 08, 20264280
Oct 07, 20264280
Oct 06, 20264280
Oct 05, 20264280
Oct 02, 2026428No prior observation