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Contract OI history

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Jan 15, 2027 EXPIRATION

T $40.00 Call

T270115C00040000

Latest saved OI8,870Oct 23, 2026
Last change+13vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $40.00 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. 8,8704,4350 2026-10-02: 8,859 OI2026-10-05: 8,859 OI2026-10-06: 8,859 OI2026-10-07: 8,859 OI2026-10-08: 8,859 OI2026-10-09: 8,861 OI2026-10-14: 8,869 OI2026-10-15: 8,857 OI2026-10-16: 8,857 OI2026-10-21: 8,857 OI2026-10-23: 8,870 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, 2026Viewing8,870+13
Oct 21, 20268,8570
Oct 16, 20268,8570
Oct 15, 20268,857-12
Oct 14, 20268,869+8
Oct 09, 20268,861+2
Oct 08, 20268,8590
Oct 07, 20268,8590
Oct 06, 20268,8590
Oct 05, 20268,8590
Oct 02, 20268,859No prior observation