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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $490.00 Call

TSM261218C00490000

Latest saved OI4,000Oct 23, 2026
Last change+35vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $490.00 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. 4,0002,0000 2026-10-02: 2,040 OI2026-10-05: 2,130 OI2026-10-06: 3,830 OI2026-10-07: 3,845 OI2026-10-08: 3,845 OI2026-10-09: 3,843 OI2026-10-14: 3,874 OI2026-10-15: 3,871 OI2026-10-16: 3,893 OI2026-10-21: 3,965 OI2026-10-23: 4,000 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,000+35
Oct 21, 20263,965+72
Oct 16, 20263,893+22
Oct 15, 20263,871-3
Oct 14, 20263,874+31
Oct 09, 20263,843-2
Oct 08, 20263,8450
Oct 07, 20263,845+15
Oct 06, 20263,830+1,700
Oct 05, 20262,130+90
Oct 02, 20262,040No prior observation