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Contract OI history

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Dec 18, 2026 EXPIRATION

CLS $420.00 Call

CLS261218C00420000

Latest saved OI665Oct 23, 2026
Last change-10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $420.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6803400 2026-10-02: 680 OI2026-10-05: 680 OI2026-10-06: 680 OI2026-10-07: 680 OI2026-10-08: 677 OI2026-10-09: 677 OI2026-10-13: 677 OI2026-10-14: 677 OI2026-10-15: 677 OI2026-10-16: 677 OI2026-10-21: 675 OI2026-10-23: 665 OI Oct 02, 2026Oct 23, 2026

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

CLS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing665-10
Oct 21, 2026675-2
Oct 16, 20266770
Oct 15, 20266770
Oct 14, 20266770
Oct 13, 20266770
Oct 09, 20266770
Oct 08, 2026677-3
Oct 07, 20266800
Oct 06, 20266800
Oct 05, 20266800
Oct 02, 2026680No prior observation