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Contract OI history

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Dec 18, 2026 EXPIRATION

CTSH $42.50 Call

CTSH261218C00042500

Latest saved OI607Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CTSH $42.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6083040 2026-10-09: 608 OI2026-10-13: 608 OI2026-10-14: 608 OI2026-10-15: 608 OI2026-10-16: 608 OI2026-10-21: 607 OI2026-10-23: 607 OI Oct 09, 2026Oct 23, 2026

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

CTSH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6070
Oct 21, 2026607-1
Oct 16, 20266080
Oct 15, 20266080
Oct 14, 20266080
Oct 13, 20266080
Oct 09, 2026608No prior observation