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Contract OI history

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Oct 23, 2026 EXPIRATION

T $27.50 Call

T261023C00027500

Latest saved OI7,619Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $27.50 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. 7,7643,8820 2026-10-02: 7,712 OI2026-10-05: 7,708 OI2026-10-06: 7,705 OI2026-10-07: 7,705 OI2026-10-08: 7,758 OI2026-10-09: 7,764 OI2026-10-14: 7,710 OI2026-10-15: 7,710 OI2026-10-16: 7,708 OI2026-10-21: 7,618 OI2026-10-23: 7,619 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, 2026Viewing7,619+1
Oct 21, 20267,618-90
Oct 16, 20267,708-2
Oct 15, 20267,7100
Oct 14, 20267,710-54
Oct 09, 20267,764+6
Oct 08, 20267,758+53
Oct 07, 20267,7050
Oct 06, 20267,705-3
Oct 05, 20267,708-4
Oct 02, 20267,712No prior observation