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Contract OI history

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May 21, 2027 EXPIRATION

GLW $90.00 Put

GLW270521P00090000

Latest saved OI834Oct 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 $90.00 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. 8344170 2026-10-02: 345 OI2026-10-05: 344 OI2026-10-06: 587 OI2026-10-07: 590 OI2026-10-08: 590 OI2026-10-09: 591 OI2026-10-13: 591 OI2026-10-14: 591 OI2026-10-15: 833 OI2026-10-16: 833 OI2026-10-21: 833 OI2026-10-23: 834 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, 2026Viewing834+1
Oct 21, 20268330
Oct 16, 20268330
Oct 15, 2026833+242
Oct 14, 20265910
Oct 13, 20265910
Oct 09, 2026591+1
Oct 08, 20265900
Oct 07, 2026590+3
Oct 06, 2026587+243
Oct 05, 2026344-1
Oct 02, 2026345No prior observation