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Contract OI history

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Feb 19, 2027 EXPIRATION

TSM $400.00 Call

TSM270219C00400000

Latest saved OI207Oct 23, 2026
Last change-16vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $400.00 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. 2231110 2026-10-02: 192 OI2026-10-05: 197 OI2026-10-06: 204 OI2026-10-07: 204 OI2026-10-08: 204 OI2026-10-09: 204 OI2026-10-14: 204 OI2026-10-15: 206 OI2026-10-16: 214 OI2026-10-21: 223 OI2026-10-23: 207 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, 2026Viewing207-16
Oct 21, 2026223+9
Oct 16, 2026214+8
Oct 15, 2026206+2
Oct 14, 20262040
Oct 09, 20262040
Oct 08, 20262040
Oct 07, 20262040
Oct 06, 2026204+7
Oct 05, 2026197+5
Oct 02, 2026192No prior observation