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Contract OI history

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Dec 18, 2026 EXPIRATION

W $75.00 Put

W261218P00075000

Latest saved OI657Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
W $75.00 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. 6583290 2026-10-02: 485 OI2026-10-05: 485 OI2026-10-06: 658 OI2026-10-07: 658 OI2026-10-08: 657 OI2026-10-09: 657 OI2026-10-13: 657 OI2026-10-14: 657 OI2026-10-15: 657 OI2026-10-16: 657 OI2026-10-21: 657 OI2026-10-23: 657 OI Oct 02, 2026Oct 23, 2026

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

W contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20266570
Oct 21, 2026Viewing6570
Oct 16, 20266570
Oct 15, 20266570
Oct 14, 20266570
Oct 13, 20266570
Oct 09, 20266570
Oct 08, 2026657-1
Oct 07, 20266580
Oct 06, 2026658+173
Oct 05, 20264850
Oct 02, 2026485No prior observation