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Contract OI history

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Dec 18, 2026 EXPIRATION

HTGC $13.00 Put

HTGC261218P00013000

Latest saved OI1,396Oct 20, 2026
Last change-2vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HTGC $13.00 put open interest history 9 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 1,4087040 2026-10-02: 1,408 OI2026-10-05: 1,408 OI2026-10-06: 1,408 OI2026-10-07: 1,408 OI2026-10-09: 1,408 OI2026-10-13: 1,398 OI2026-10-14: 1,398 OI2026-10-16: 1,398 OI2026-10-20: 1,396 OI Oct 02, 2026Oct 20, 2026

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

HTGC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing1,396-2
Oct 16, 20261,3980
Oct 14, 20261,3980
Oct 13, 20261,398-10
Oct 09, 20261,4080
Oct 07, 20261,4080
Oct 06, 20261,4080
Oct 05, 20261,4080
Oct 02, 20261,408No prior observation