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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $185.00 Put

TSM270617P00185000

Latest saved OI216Oct 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 $185.00 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. 2161080 2026-10-02: 207 OI2026-10-05: 207 OI2026-10-06: 207 OI2026-10-07: 207 OI2026-10-08: 207 OI2026-10-09: 207 OI2026-10-14: 216 OI2026-10-15: 216 OI2026-10-16: 216 OI2026-10-21: 216 OI2026-10-23: 216 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, 2026Viewing2160
Oct 21, 20262160
Oct 16, 20262160
Oct 15, 20262160
Oct 14, 2026216+9
Oct 09, 20262070
Oct 08, 20262070
Oct 07, 20262070
Oct 06, 20262070
Oct 05, 20262070
Oct 02, 2026207No prior observation