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Contract OI history

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Jan 21, 2028 EXPIRATION

TSM $340.00 Call

TSM280121C00340000

Latest saved OI269Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $340.00 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. 2691340 2026-10-02: 263 OI2026-10-05: 263 OI2026-10-06: 263 OI2026-10-07: 263 OI2026-10-08: 263 OI2026-10-09: 264 OI2026-10-14: 264 OI2026-10-15: 264 OI2026-10-16: 265 OI2026-10-21: 267 OI2026-10-23: 269 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, 2026Viewing269+2
Oct 21, 2026267+2
Oct 16, 2026265+1
Oct 15, 20262640
Oct 14, 20262640
Oct 09, 2026264+1
Oct 08, 20262630
Oct 07, 20262630
Oct 06, 20262630
Oct 05, 20262630
Oct 02, 2026263No prior observation