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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $320.00 Call

TSM261218C00320000

Latest saved OI551Oct 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. 5702850 2026-10-02: 568 OI2026-10-05: 568 OI2026-10-06: 570 OI2026-10-07: 560 OI2026-10-08: 560 OI2026-10-09: 560 OI2026-10-14: 560 OI2026-10-15: 560 OI2026-10-16: 555 OI2026-10-21: 551 OI2026-10-23: 551 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, 2026Viewing5510
Oct 21, 2026551-4
Oct 16, 2026555-5
Oct 15, 20265600
Oct 14, 20265600
Oct 09, 20265600
Oct 08, 20265600
Oct 07, 2026560-10
Oct 06, 2026570+2
Oct 05, 20265680
Oct 02, 2026568No prior observation