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Contract OI history

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Jan 21, 2028 EXPIRATION

TSM $600.00 Put

TSM280121P00600000

Latest saved OI289Oct 23, 2026
Last change+12vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $600.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2891440 2026-10-02: 282 OI2026-10-05: 282 OI2026-10-06: 282 OI2026-10-07: 282 OI2026-10-08: 282 OI2026-10-09: 282 OI2026-10-14: 282 OI2026-10-15: 282 OI2026-10-16: 282 OI2026-10-21: 277 OI2026-10-23: 289 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, 2026Viewing289+12
Oct 21, 2026277-5
Oct 16, 20262820
Oct 15, 20262820
Oct 14, 20262820
Oct 09, 20262820
Oct 08, 20262820
Oct 07, 20262820
Oct 06, 20262820
Oct 05, 20262820
Oct 02, 2026282No prior observation