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Contract OI history

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Jan 21, 2028 EXPIRATION

T $35.00 Put

T280121P00035000

Latest saved OI57Oct 23, 2026
Last change-18vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $35.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 78390 2026-10-02: 76 OI2026-10-05: 76 OI2026-10-06: 76 OI2026-10-07: 76 OI2026-10-08: 76 OI2026-10-09: 78 OI2026-10-14: 75 OI2026-10-15: 75 OI2026-10-16: 75 OI2026-10-21: 75 OI2026-10-23: 57 OI Oct 02, 2026Oct 23, 2026

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

T contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing57-18
Oct 21, 2026750
Oct 16, 2026750
Oct 15, 2026750
Oct 14, 202675-3
Oct 09, 202678+2
Oct 08, 2026760
Oct 07, 2026760
Oct 06, 2026760
Oct 05, 2026760
Oct 02, 202676No prior observation