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Contract OI history

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Oct 30, 2026 EXPIRATION

TSM $420.00 Call

TSM261030C00420000

Latest saved OI766Oct 23, 2026
Last change+262vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $420.00 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. 7663830 2026-10-02: 84 OI2026-10-05: 112 OI2026-10-06: 111 OI2026-10-07: 111 OI2026-10-08: 111 OI2026-10-09: 112 OI2026-10-14: 147 OI2026-10-15: 159 OI2026-10-16: 307 OI2026-10-21: 504 OI2026-10-23: 766 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, 2026Viewing766+262
Oct 21, 2026504+197
Oct 16, 2026307+148
Oct 15, 2026159+12
Oct 14, 2026147+35
Oct 09, 2026112+1
Oct 08, 20261110
Oct 07, 20261110
Oct 06, 2026111-1
Oct 05, 2026112+28
Oct 02, 202684No prior observation