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Contract OI history

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Dec 18, 2026 EXPIRATION

GLW $220.00 Put

GLW261218P00220000

Latest saved OI75Oct 23, 2026
Last change-24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GLW $220.00 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. 180900 2026-10-02: 177 OI2026-10-05: 177 OI2026-10-06: 180 OI2026-10-07: 174 OI2026-10-08: 174 OI2026-10-09: 174 OI2026-10-13: 174 OI2026-10-14: 174 OI2026-10-15: 174 OI2026-10-16: 174 OI2026-10-21: 99 OI2026-10-23: 75 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, 2026Viewing75-24
Oct 21, 202699-75
Oct 16, 20261740
Oct 15, 20261740
Oct 14, 20261740
Oct 13, 20261740
Oct 09, 20261740
Oct 08, 20261740
Oct 07, 2026174-6
Oct 06, 2026180+3
Oct 05, 20261770
Oct 02, 2026177No prior observation