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Contract OI history

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Feb 19, 2027 EXPIRATION

TSM $230.00 Put

TSM270219P00230000

Latest saved OI569Oct 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 $230.00 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. 5692840 2026-10-02: 568 OI2026-10-05: 568 OI2026-10-06: 568 OI2026-10-07: 568 OI2026-10-08: 568 OI2026-10-09: 569 OI2026-10-14: 569 OI2026-10-15: 569 OI2026-10-16: 569 OI2026-10-21: 569 OI2026-10-23: 569 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, 2026Viewing5690
Oct 21, 20265690
Oct 16, 20265690
Oct 15, 20265690
Oct 14, 20265690
Oct 09, 2026569+1
Oct 08, 20265680
Oct 07, 20265680
Oct 06, 20265680
Oct 05, 20265680
Oct 02, 2026568No prior observation