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Contract OI history

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Dec 15, 2028 EXPIRATION

TSM $390.00 Call

TSM281215C00390000

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 $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. 3451720 2026-10-02: 342 OI2026-10-05: 342 OI2026-10-06: 345 OI2026-10-07: 345 OI2026-10-08: 345 OI2026-10-09: 345 OI2026-10-14: 345 OI2026-10-15: 345 OI2026-10-16: 345 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, 20263450
Oct 16, 20263450
Oct 15, 20263450
Oct 14, 20263450
Oct 09, 20263450
Oct 08, 20263450
Oct 07, 20263450
Oct 06, 2026345+3
Oct 05, 20263420
Oct 02, 2026342No prior observation