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Contract OI history

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Mar 19, 2027 EXPIRATION

CLS $320.00 Call

CLS270319C00320000

Latest saved OI498Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CLS $320.00 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. 4982490 2026-10-02: 493 OI2026-10-05: 493 OI2026-10-06: 493 OI2026-10-07: 493 OI2026-10-08: 493 OI2026-10-09: 493 OI2026-10-13: 494 OI2026-10-14: 494 OI2026-10-15: 494 OI2026-10-16: 495 OI2026-10-21: 498 OI2026-10-23: 498 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, 2026Viewing4980
Oct 21, 2026498+3
Oct 16, 2026495+1
Oct 15, 20264940
Oct 14, 20264940
Oct 13, 2026494+1
Oct 09, 20264930
Oct 08, 20264930
Oct 07, 20264930
Oct 06, 20264930
Oct 05, 20264930
Oct 02, 2026493No prior observation