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Contract OI history

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Nov 20, 2026 EXPIRATION

HST $25.00 Call

HST261120C00025000

Latest saved OI152Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
HST $25.00 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. 152760 2026-10-09: 4 OI2026-10-13: 4 OI2026-10-14: 4 OI2026-10-15: 4 OI2026-10-16: 4 OI2026-10-21: 152 OI2026-10-23: 152 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, 20261520
Oct 21, 2026Viewing152+148
Oct 16, 202640
Oct 15, 202640
Oct 14, 202640
Oct 13, 202640
Oct 09, 20264No prior observation