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Contract OI history

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Nov 20, 2026 EXPIRATION

P $85.00 Put

P261120P00085000

Latest saved OI319Oct 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 $85.00 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. 4322160 2026-10-02: 432 OI2026-10-05: 362 OI2026-10-06: 315 OI2026-10-07: 315 OI2026-10-08: 315 OI2026-10-09: 315 OI2026-10-13: 309 OI2026-10-14: 309 OI2026-10-15: 308 OI2026-10-16: 308 OI2026-10-21: 317 OI2026-10-23: 319 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, 2026319+2
Oct 21, 2026Viewing317+9
Oct 16, 20263080
Oct 15, 2026308-1
Oct 14, 20263090
Oct 13, 2026309-6
Oct 09, 20263150
Oct 08, 20263150
Oct 07, 20263150
Oct 06, 2026315-47
Oct 05, 2026362-70
Oct 02, 2026432No prior observation