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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $490.00 Put

TSM270319P00490000

Latest saved OI64Oct 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 $490.00 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. 64320 2026-10-02: 37 OI2026-10-05: 37 OI2026-10-06: 39 OI2026-10-07: 39 OI2026-10-08: 39 OI2026-10-09: 34 OI2026-10-14: 34 OI2026-10-15: 51 OI2026-10-16: 51 OI2026-10-21: 64 OI2026-10-23: 64 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, 2026Viewing640
Oct 21, 202664+13
Oct 16, 2026510
Oct 15, 202651+17
Oct 14, 2026340
Oct 09, 202634-5
Oct 08, 2026390
Oct 07, 2026390
Oct 06, 202639+2
Oct 05, 2026370
Oct 02, 202637No prior observation