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Contract OI history

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Dec 18, 2026 EXPIRATION

C $70.00 Put

C261218P00070000

Latest saved OI915Oct 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
C $70.00 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. 9154570 2026-10-02: 900 OI2026-10-05: 900 OI2026-10-06: 900 OI2026-10-07: 900 OI2026-10-08: 900 OI2026-10-09: 900 OI2026-10-13: 900 OI2026-10-14: 900 OI2026-10-15: 905 OI2026-10-16: 905 OI2026-10-21: 910 OI2026-10-23: 915 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, 2026Viewing915+5
Oct 21, 2026910+5
Oct 16, 20269050
Oct 15, 2026905+5
Oct 14, 20269000
Oct 13, 20269000
Oct 09, 20269000
Oct 08, 20269000
Oct 07, 20269000
Oct 06, 20269000
Oct 05, 20269000
Oct 02, 2026900No prior observation