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Contract OI history

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Jan 15, 2027 EXPIRATION

CTOS $10.00 Call

CTOS270115C00010000

Latest saved OI376Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CTOS $10.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4682340 2026-10-02: 468 OI2026-10-05: 467 OI2026-10-06: 467 OI2026-10-07: 467 OI2026-10-08: 467 OI2026-10-09: 467 OI2026-10-13: 467 OI2026-10-15: 467 OI2026-10-16: 467 OI2026-10-20: 376 OI2026-10-23: 376 OI Oct 02, 2026Oct 23, 2026

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

CTOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3760
Oct 20, 2026376-91
Oct 16, 20264670
Oct 15, 20264670
Oct 13, 20264670
Oct 09, 20264670
Oct 08, 20264670
Oct 07, 20264670
Oct 06, 20264670
Oct 05, 2026467-1
Oct 02, 2026468No prior observation