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Contract OI history

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Nov 20, 2026 EXPIRATION

EW $72.50 Put

EW261120P00072500

Latest saved OI233Oct 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
EW $72.50 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. 2331160 2026-10-02: 227 OI2026-10-05: 227 OI2026-10-06: 228 OI2026-10-07: 228 OI2026-10-08: 228 OI2026-10-09: 228 OI2026-10-13: 230 OI2026-10-14: 230 OI2026-10-15: 230 OI2026-10-16: 230 OI2026-10-21: 231 OI2026-10-23: 233 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, 2026Viewing233+2
Oct 21, 2026231+1
Oct 16, 20262300
Oct 15, 20262300
Oct 14, 20262300
Oct 13, 2026230+2
Oct 09, 20262280
Oct 08, 20262280
Oct 07, 20262280
Oct 06, 2026228+1
Oct 05, 20262270
Oct 02, 2026227No prior observation