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Contract OI history

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Dec 18, 2026 EXPIRATION

T $31.00 Call

T261218C00031000

Latest saved OI513Oct 23, 2026
Last change-16vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $31.00 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. 5752870 2026-10-02: 575 OI2026-10-05: 575 OI2026-10-06: 521 OI2026-10-07: 521 OI2026-10-08: 530 OI2026-10-09: 518 OI2026-10-14: 529 OI2026-10-15: 529 OI2026-10-16: 529 OI2026-10-21: 529 OI2026-10-23: 513 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, 2026Viewing513-16
Oct 21, 20265290
Oct 16, 20265290
Oct 15, 20265290
Oct 14, 2026529+11
Oct 09, 2026518-12
Oct 08, 2026530+9
Oct 07, 20265210
Oct 06, 2026521-54
Oct 05, 20265750
Oct 02, 2026575No prior observation