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Contract OI history

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Jan 21, 2028 EXPIRATION

T $20.00 Put

T280121P00020000

Latest saved OI11,201Oct 23, 2026
Last change+40vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $20.00 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. 11,2015,6000 2026-10-02: 10,981 OI2026-10-05: 10,981 OI2026-10-06: 10,982 OI2026-10-07: 10,982 OI2026-10-08: 10,986 OI2026-10-09: 11,104 OI2026-10-14: 11,199 OI2026-10-15: 11,199 OI2026-10-16: 11,201 OI2026-10-21: 11,161 OI2026-10-23: 11,201 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, 2026Viewing11,201+40
Oct 21, 202611,161-40
Oct 16, 202611,201+2
Oct 15, 202611,1990
Oct 14, 202611,199+95
Oct 09, 202611,104+118
Oct 08, 202610,986+4
Oct 07, 202610,9820
Oct 06, 202610,982+1
Oct 05, 202610,9810
Oct 02, 202610,981No prior observation