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Contract OI history

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Dec 18, 2026 EXPIRATION

TTEK $35.00 Call

TTEK261218C00035000

Latest saved OI831Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TTEK $35.00 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. 8314150 2026-10-09: 830 OI2026-10-13: 830 OI2026-10-14: 830 OI2026-10-15: 830 OI2026-10-16: 831 OI2026-10-21: 831 OI2026-10-23: 831 OI Oct 09, 2026Oct 23, 2026

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

TTEK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20268310
Oct 21, 2026Viewing8310
Oct 16, 2026831+1
Oct 15, 20268300
Oct 14, 20268300
Oct 13, 20268300
Oct 09, 2026830No prior observation