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Contract OI history

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Nov 20, 2026 EXPIRATION

IP $37.50 Put

IP261120P00037500

Latest saved OI181Oct 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 $37.50 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. 191950 2026-10-02: 187 OI2026-10-05: 187 OI2026-10-06: 191 OI2026-10-07: 191 OI2026-10-08: 183 OI2026-10-09: 183 OI2026-10-13: 183 OI2026-10-14: 183 OI2026-10-15: 179 OI2026-10-16: 181 OI2026-10-21: 181 OI2026-10-23: 181 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, 20261810
Oct 21, 2026Viewing1810
Oct 16, 2026181+2
Oct 15, 2026179-4
Oct 14, 20261830
Oct 13, 20261830
Oct 09, 20261830
Oct 08, 2026183-8
Oct 07, 20261910
Oct 06, 2026191+4
Oct 05, 20261870
Oct 02, 2026187No prior observation