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Contract OI history

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Dec 18, 2026 EXPIRATION

CM $100.00 Put

CM261218P00100000

Latest saved OI392Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CM $100.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3951970 2026-10-02: 343 OI2026-10-05: 343 OI2026-10-06: 343 OI2026-10-07: 343 OI2026-10-08: 350 OI2026-10-09: 350 OI2026-10-13: 394 OI2026-10-15: 395 OI2026-10-16: 395 OI2026-10-21: 393 OI2026-10-23: 392 OI Oct 02, 2026Oct 23, 2026

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

CM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing392-1
Oct 21, 2026393-2
Oct 16, 20263950
Oct 15, 2026395+1
Oct 13, 2026394+44
Oct 09, 20263500
Oct 08, 2026350+7
Oct 07, 20263430
Oct 06, 20263430
Oct 05, 20263430
Oct 02, 2026343No prior observation