OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

TECX $30.00 Call

TECX261218C00030000

Latest saved OI1,327Oct 23, 2026
Last change+3vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TECX $30.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,3276630 2026-10-09: 1,324 OI2026-10-13: 1,324 OI2026-10-14: 1,324 OI2026-10-16: 1,324 OI2026-10-20: 1,324 OI2026-10-23: 1,327 OI Oct 09, 2026Oct 23, 2026

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

TECX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,327+3
Oct 20, 2026Viewing1,3240
Oct 16, 20261,3240
Oct 14, 20261,3240
Oct 13, 20261,3240
Oct 09, 20261,324No prior observation