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Contract OI history

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Jan 15, 2027 EXPIRATION

HTGC $18.00 Call

HTGC270115C00018000

Latest saved OI279Oct 20, 2026
Last change-17vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HTGC $18.00 call open interest history 9 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 2961480 2026-10-02: 229 OI2026-10-05: 226 OI2026-10-06: 286 OI2026-10-07: 286 OI2026-10-09: 286 OI2026-10-13: 296 OI2026-10-14: 296 OI2026-10-16: 296 OI2026-10-20: 279 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, 2026Viewing279-17
Oct 16, 20262960
Oct 14, 20262960
Oct 13, 2026296+10
Oct 09, 20262860
Oct 07, 20262860
Oct 06, 2026286+60
Oct 05, 2026226-3
Oct 02, 2026229No prior observation