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Contract OI history

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Nov 20, 2026 EXPIRATION

EW $82.50 Put

EW261120P00082500

Latest saved OI557Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EW $82.50 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. 5622810 2026-10-02: 317 OI2026-10-05: 317 OI2026-10-06: 335 OI2026-10-07: 338 OI2026-10-08: 343 OI2026-10-09: 347 OI2026-10-13: 349 OI2026-10-14: 349 OI2026-10-15: 349 OI2026-10-16: 355 OI2026-10-21: 562 OI2026-10-23: 557 OI Oct 02, 2026Oct 23, 2026

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

EW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing557-5
Oct 21, 2026562+207
Oct 16, 2026355+6
Oct 15, 20263490
Oct 14, 20263490
Oct 13, 2026349+2
Oct 09, 2026347+4
Oct 08, 2026343+5
Oct 07, 2026338+3
Oct 06, 2026335+18
Oct 05, 20263170
Oct 02, 2026317No prior observation