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Contract OI history

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Dec 18, 2026 EXPIRATION

TTEK $22.50 Put

TTEK261218P00022500

Latest saved OI3,249Oct 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 $22.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,2491,6240 2026-10-09: 3,249 OI2026-10-13: 3,249 OI2026-10-14: 3,249 OI2026-10-15: 3,249 OI2026-10-16: 3,249 OI2026-10-21: 3,249 OI2026-10-23: 3,249 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, 20263,2490
Oct 21, 2026Viewing3,2490
Oct 16, 20263,2490
Oct 15, 20263,2490
Oct 14, 20263,2490
Oct 13, 20263,2490
Oct 09, 20263,249No prior observation