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Contract OI history

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Jan 21, 2028 EXPIRATION

P $90.00 Put

P280121P00090000

Latest saved OI87Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
P $90.00 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. 87430 2026-10-02: 76 OI2026-10-05: 76 OI2026-10-06: 76 OI2026-10-07: 82 OI2026-10-08: 82 OI2026-10-09: 82 OI2026-10-13: 82 OI2026-10-14: 81 OI2026-10-15: 81 OI2026-10-16: 81 OI2026-10-21: 85 OI2026-10-23: 87 OI Oct 02, 2026Oct 23, 2026

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

P contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing87+2
Oct 21, 202685+4
Oct 16, 2026810
Oct 15, 2026810
Oct 14, 202681-1
Oct 13, 2026820
Oct 09, 2026820
Oct 08, 2026820
Oct 07, 202682+6
Oct 06, 2026760
Oct 05, 2026760
Oct 02, 202676No prior observation