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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $640.00 Call

TSM261120C00640000

Latest saved OI113Oct 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 $640.00 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. 113560 2026-10-02: 111 OI2026-10-05: 112 OI2026-10-06: 112 OI2026-10-07: 112 OI2026-10-08: 112 OI2026-10-09: 112 OI2026-10-14: 112 OI2026-10-15: 110 OI2026-10-16: 111 OI2026-10-21: 113 OI2026-10-23: 113 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, 2026Viewing1130
Oct 21, 2026113+2
Oct 16, 2026111+1
Oct 15, 2026110-2
Oct 14, 20261120
Oct 09, 20261120
Oct 08, 20261120
Oct 07, 20261120
Oct 06, 20261120
Oct 05, 2026112+1
Oct 02, 2026111No prior observation