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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $230.00 Put

TSM270617P00230000

Latest saved OI427Oct 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. 4282140 2026-10-02: 424 OI2026-10-05: 424 OI2026-10-06: 424 OI2026-10-07: 428 OI2026-10-08: 428 OI2026-10-09: 428 OI2026-10-14: 428 OI2026-10-15: 428 OI2026-10-16: 428 OI2026-10-21: 427 OI2026-10-23: 427 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, 2026Viewing4270
Oct 21, 2026427-1
Oct 16, 20264280
Oct 15, 20264280
Oct 14, 20264280
Oct 09, 20264280
Oct 08, 20264280
Oct 07, 2026428+4
Oct 06, 20264240
Oct 05, 20264240
Oct 02, 2026424No prior observation