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Contract OI history

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Dec 18, 2026 EXPIRATION

T $20.00 Call

T261218C00020000

Latest saved OI851Oct 23, 2026
Last change+80vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $20.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8514250 2026-10-02: 641 OI2026-10-05: 641 OI2026-10-06: 640 OI2026-10-07: 640 OI2026-10-08: 645 OI2026-10-09: 768 OI2026-10-14: 741 OI2026-10-15: 741 OI2026-10-16: 737 OI2026-10-21: 771 OI2026-10-23: 851 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, 2026Viewing851+80
Oct 21, 2026771+34
Oct 16, 2026737-4
Oct 15, 20267410
Oct 14, 2026741-27
Oct 09, 2026768+123
Oct 08, 2026645+5
Oct 07, 20266400
Oct 06, 2026640-1
Oct 05, 20266410
Oct 02, 2026641No prior observation