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Sep 17, 2027 EXPIRATION

O $45.00 Put

O270917P00045000

Latest saved OI423Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $45.00 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. 4232110 2026-10-02: 345 OI2026-10-05: 405 OI2026-10-06: 416 OI2026-10-07: 416 OI2026-10-08: 417 OI2026-10-09: 417 OI2026-10-13: 422 OI2026-10-14: 422 OI2026-10-15: 422 OI2026-10-16: 422 OI2026-10-21: 423 OI2026-10-23: 423 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

O contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4230
Oct 21, 2026423+1
Oct 16, 20264220
Oct 15, 20264220
Oct 14, 20264220
Oct 13, 2026422+5
Oct 09, 20264170
Oct 08, 2026417+1
Oct 07, 20264160
Oct 06, 2026416+11
Oct 05, 2026405+60
Oct 02, 2026345No prior observation