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Contract OI history

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Jan 21, 2028 EXPIRATION

TSM $420.00 Call

TSM280121C00420000

Latest saved OI688Oct 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 $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. 6883440 2026-10-02: 565 OI2026-10-05: 564 OI2026-10-06: 570 OI2026-10-07: 570 OI2026-10-08: 570 OI2026-10-09: 572 OI2026-10-14: 587 OI2026-10-15: 586 OI2026-10-16: 656 OI2026-10-21: 672 OI2026-10-23: 688 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, 2026Viewing688+16
Oct 21, 2026672+16
Oct 16, 2026656+70
Oct 15, 2026586-1
Oct 14, 2026587+15
Oct 09, 2026572+2
Oct 08, 20265700
Oct 07, 20265700
Oct 06, 2026570+6
Oct 05, 2026564-1
Oct 02, 2026565No prior observation