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Contract OI history

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Jan 21, 2028 EXPIRATION

TSM $320.00 Call

TSM280121C00320000

Latest saved OI508Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $320.00 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. 5082540 2026-10-02: 450 OI2026-10-05: 450 OI2026-10-06: 450 OI2026-10-07: 450 OI2026-10-08: 450 OI2026-10-09: 450 OI2026-10-14: 449 OI2026-10-15: 449 OI2026-10-16: 507 OI2026-10-21: 508 OI2026-10-23: 508 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, 2026Viewing5080
Oct 21, 2026508+1
Oct 16, 2026507+58
Oct 15, 20264490
Oct 14, 2026449-1
Oct 09, 20264500
Oct 08, 20264500
Oct 07, 20264500
Oct 06, 20264500
Oct 05, 20264500
Oct 02, 2026450No prior observation