Contract OI history

Back to HST

Jan 15, 2027 EXPIRATION

HST $26.13 Call

HST270115C00026130

Latest saved OI328Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
HST $26.13 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. 3281640 2026-10-09: 298 OI2026-10-13: 298 OI2026-10-14: 298 OI2026-10-15: 298 OI2026-10-16: 298 OI2026-10-21: 322 OI2026-10-23: 328 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, 2026328+6
Oct 21, 2026Viewing322+24
Oct 16, 20262980
Oct 15, 20262980
Oct 14, 20262980
Oct 13, 20262980
Oct 09, 2026298No prior observation