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Contract OI history

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Mar 19, 2027 EXPIRATION

T $20.00 Call

T270319C00020000

Latest saved OI596Oct 23, 2026
Last change+88vs 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. 5962980 2026-10-02: 518 OI2026-10-05: 518 OI2026-10-06: 516 OI2026-10-07: 516 OI2026-10-08: 515 OI2026-10-09: 508 OI2026-10-14: 507 OI2026-10-15: 507 OI2026-10-16: 507 OI2026-10-21: 508 OI2026-10-23: 596 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, 2026Viewing596+88
Oct 21, 2026508+1
Oct 16, 20265070
Oct 15, 20265070
Oct 14, 2026507-1
Oct 09, 2026508-7
Oct 08, 2026515-1
Oct 07, 20265160
Oct 06, 2026516-2
Oct 05, 20265180
Oct 02, 2026518No prior observation