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Contract OI history

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May 21, 2027 EXPIRATION

CLS $310.00 Call

CLS270521C00310000

Latest saved OI46Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $310.00 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. 46230 2026-10-02: 39 OI2026-10-05: 39 OI2026-10-06: 39 OI2026-10-07: 39 OI2026-10-08: 39 OI2026-10-09: 39 OI2026-10-13: 40 OI2026-10-14: 40 OI2026-10-15: 39 OI2026-10-16: 39 OI2026-10-21: 43 OI2026-10-23: 46 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, 2026Viewing46+3
Oct 21, 202643+4
Oct 16, 2026390
Oct 15, 202639-1
Oct 14, 2026400
Oct 13, 202640+1
Oct 09, 2026390
Oct 08, 2026390
Oct 07, 2026390
Oct 06, 2026390
Oct 05, 2026390
Oct 02, 202639No prior observation