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Contract OI history

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Oct 23, 2026 EXPIRATION

T $21.50 Call

T261023C00021500

Latest saved OI426Oct 23, 2026
Last change+53vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $21.50 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. 4262130 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 16 OI2026-10-14: 85 OI2026-10-15: 211 OI2026-10-16: 210 OI2026-10-21: 373 OI2026-10-23: 426 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, 2026Viewing426+53
Oct 21, 2026373+163
Oct 16, 2026210-1
Oct 15, 2026211+126
Oct 14, 202685+69
Oct 09, 202616+15
Oct 08, 202610
Oct 07, 202610
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation