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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $340.00 Call

TSM261120C00340000

Latest saved OI345Oct 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 $340.00 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. 3491740 2026-10-02: 349 OI2026-10-05: 349 OI2026-10-06: 346 OI2026-10-07: 347 OI2026-10-08: 347 OI2026-10-09: 347 OI2026-10-14: 348 OI2026-10-15: 347 OI2026-10-16: 347 OI2026-10-21: 345 OI2026-10-23: 345 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, 2026Viewing3450
Oct 21, 2026345-2
Oct 16, 20263470
Oct 15, 2026347-1
Oct 14, 2026348+1
Oct 09, 20263470
Oct 08, 20263470
Oct 07, 2026347+1
Oct 06, 2026346-3
Oct 05, 20263490
Oct 02, 2026349No prior observation