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Sep 17, 2027 EXPIRATION

O $47.50 Put

O270917P00047500

Latest saved OI68Oct 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 $47.50 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. 68340 2026-10-02: 45 OI2026-10-05: 45 OI2026-10-06: 45 OI2026-10-07: 45 OI2026-10-08: 48 OI2026-10-09: 49 OI2026-10-13: 50 OI2026-10-14: 52 OI2026-10-15: 53 OI2026-10-16: 53 OI2026-10-21: 68 OI2026-10-23: 68 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, 2026Viewing680
Oct 21, 202668+15
Oct 16, 2026530
Oct 15, 202653+1
Oct 14, 202652+2
Oct 13, 202650+1
Oct 09, 202649+1
Oct 08, 202648+3
Oct 07, 2026450
Oct 06, 2026450
Oct 05, 2026450
Oct 02, 202645No prior observation