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Contract OI history

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Nov 20, 2026 EXPIRATION

HST $26.00 Call

HST261120C00026000

Latest saved OI136Oct 23, 2026
Last change+31vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
HST $26.00 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. 136680 2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 29 OI2026-10-15: 29 OI2026-10-16: 29 OI2026-10-21: 105 OI2026-10-23: 136 OI Oct 09, 2026Oct 23, 2026

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

HST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026136+31
Oct 21, 2026Viewing105+76
Oct 16, 2026290
Oct 15, 2026290
Oct 14, 202629+29
Oct 13, 202600
Oct 09, 20260No prior observation