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Contract OI history

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Jan 21, 2028 EXPIRATION

T $25.00 Put

T280121P00025000

Latest saved OI9,951Oct 23, 2026
Last change-8vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $25.00 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. 9,9594,9790 2026-10-02: 9,947 OI2026-10-05: 9,947 OI2026-10-06: 9,954 OI2026-10-07: 9,954 OI2026-10-08: 9,954 OI2026-10-09: 9,957 OI2026-10-14: 9,956 OI2026-10-15: 9,956 OI2026-10-16: 9,956 OI2026-10-21: 9,959 OI2026-10-23: 9,951 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, 2026Viewing9,951-8
Oct 21, 20269,959+3
Oct 16, 20269,9560
Oct 15, 20269,9560
Oct 14, 20269,956-1
Oct 09, 20269,957+3
Oct 08, 20269,9540
Oct 07, 20269,9540
Oct 06, 20269,954+7
Oct 05, 20269,9470
Oct 02, 20269,947No prior observation