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Contract OI history

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May 21, 2027 EXPIRATION

GLW $120.00 Put

GLW270521P00120000

Latest saved OI697Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GLW $120.00 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. 6973480 2026-10-02: 549 OI2026-10-05: 549 OI2026-10-06: 559 OI2026-10-07: 550 OI2026-10-08: 550 OI2026-10-09: 548 OI2026-10-13: 636 OI2026-10-14: 636 OI2026-10-15: 690 OI2026-10-16: 690 OI2026-10-21: 691 OI2026-10-23: 697 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, 2026697+6
Oct 21, 2026Viewing691+1
Oct 16, 20266900
Oct 15, 2026690+54
Oct 14, 20266360
Oct 13, 2026636+88
Oct 09, 2026548-2
Oct 08, 20265500
Oct 07, 2026550-9
Oct 06, 2026559+10
Oct 05, 20265490
Oct 02, 2026549No prior observation