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Contract OI history

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Jan 15, 2027 EXPIRATION

HST $22.28 Put

HST270115P00022280

Latest saved OI2,162Oct 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 $22.28 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,1621,0810 2026-10-09: 2,150 OI2026-10-13: 2,150 OI2026-10-14: 2,150 OI2026-10-15: 2,150 OI2026-10-16: 2,149 OI2026-10-21: 2,162 OI2026-10-23: 2,162 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, 20262,1620
Oct 21, 2026Viewing2,162+13
Oct 16, 20262,149-1
Oct 15, 20262,1500
Oct 14, 20262,1500
Oct 13, 20262,1500
Oct 09, 20262,150No prior observation