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Contract OI history

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Nov 20, 2026 EXPIRATION

H $135.00 Put

H261120P00135000

Latest saved OI78Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
H $135.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 78390 2026-10-02: 75 OI2026-10-05: 75 OI2026-10-06: 76 OI2026-10-07: 76 OI2026-10-08: 78 OI2026-10-09: 78 OI2026-10-13: 78 OI2026-10-14: 78 OI2026-10-15: 78 OI2026-10-16: 77 OI2026-10-21: 78 OI2026-10-23: 78 OI Oct 02, 2026Oct 23, 2026

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

H contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing780
Oct 21, 202678+1
Oct 16, 202677-1
Oct 15, 2026780
Oct 14, 2026780
Oct 13, 2026780
Oct 09, 2026780
Oct 08, 202678+2
Oct 07, 2026760
Oct 06, 202676+1
Oct 05, 2026750
Oct 02, 202675No prior observation