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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $390.00 Call

TSM261218C00390000

Latest saved OI1,058Oct 23, 2026
Last change+17vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $390.00 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. 1,0585290 2026-10-02: 1,028 OI2026-10-05: 1,026 OI2026-10-06: 1,024 OI2026-10-07: 1,024 OI2026-10-08: 1,024 OI2026-10-09: 1,023 OI2026-10-14: 1,021 OI2026-10-15: 1,020 OI2026-10-16: 1,028 OI2026-10-21: 1,041 OI2026-10-23: 1,058 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, 2026Viewing1,058+17
Oct 21, 20261,041+13
Oct 16, 20261,028+8
Oct 15, 20261,020-1
Oct 14, 20261,021-2
Oct 09, 20261,023-1
Oct 08, 20261,0240
Oct 07, 20261,0240
Oct 06, 20261,024-2
Oct 05, 20261,026-2
Oct 02, 20261,028No prior observation