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Contract OI history

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Oct 30, 2026 EXPIRATION

C $128.00 Put

C261030P00128000

Latest saved OI99Oct 23, 2026
Last change+24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $128.00 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. 99490 2026-10-02: 28 OI2026-10-05: 37 OI2026-10-06: 42 OI2026-10-07: 39 OI2026-10-08: 39 OI2026-10-09: 34 OI2026-10-13: 72 OI2026-10-14: 72 OI2026-10-15: 69 OI2026-10-16: 78 OI2026-10-21: 75 OI2026-10-23: 99 OI Oct 02, 2026Oct 23, 2026

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

C contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing99+24
Oct 21, 202675-3
Oct 16, 202678+9
Oct 15, 202669-3
Oct 14, 2026720
Oct 13, 202672+38
Oct 09, 202634-5
Oct 08, 2026390
Oct 07, 202639-3
Oct 06, 202642+5
Oct 05, 202637+9
Oct 02, 202628No prior observation