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Contract OI history

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Nov 20, 2026 EXPIRATION

IP $27.50 Put

IP261120P00027500

Latest saved OI304Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IP $27.50 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. 3041520 2026-10-02: 107 OI2026-10-05: 107 OI2026-10-06: 120 OI2026-10-07: 120 OI2026-10-08: 121 OI2026-10-09: 122 OI2026-10-13: 241 OI2026-10-14: 241 OI2026-10-15: 271 OI2026-10-16: 300 OI2026-10-21: 304 OI2026-10-23: 304 OI Oct 02, 2026Oct 23, 2026

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

IP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3040
Oct 21, 2026304+4
Oct 16, 2026300+29
Oct 15, 2026271+30
Oct 14, 20262410
Oct 13, 2026241+119
Oct 09, 2026122+1
Oct 08, 2026121+1
Oct 07, 20261200
Oct 06, 2026120+13
Oct 05, 20261070
Oct 02, 2026107No prior observation