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Contract OI history

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May 21, 2027 EXPIRATION

CLS $340.00 Call

CLS270521C00340000

Latest saved OI298Oct 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 $340.00 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. 3001500 2026-10-02: 300 OI2026-10-05: 298 OI2026-10-06: 298 OI2026-10-07: 298 OI2026-10-08: 298 OI2026-10-09: 298 OI2026-10-13: 298 OI2026-10-14: 298 OI2026-10-15: 298 OI2026-10-16: 298 OI2026-10-21: 298 OI2026-10-23: 298 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, 2026Viewing2980
Oct 21, 20262980
Oct 16, 20262980
Oct 15, 20262980
Oct 14, 20262980
Oct 13, 20262980
Oct 09, 20262980
Oct 08, 20262980
Oct 07, 20262980
Oct 06, 20262980
Oct 05, 2026298-2
Oct 02, 2026300No prior observation