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Contract OI history

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Jun 17, 2027 EXPIRATION

TSM $500.00 Put

TSM270617P00500000

Latest saved OI289Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $500.00 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: 74 OI2026-10-05: 75 OI2026-10-06: 75 OI2026-10-07: 75 OI2026-10-08: 75 OI2026-10-09: 75 OI2026-10-14: 201 OI2026-10-15: 287 OI2026-10-16: 288 OI2026-10-21: 288 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+1
Oct 21, 20262880
Oct 16, 2026288+1
Oct 15, 2026287+86
Oct 14, 2026201+126
Oct 09, 2026750
Oct 08, 2026750
Oct 07, 2026750
Oct 06, 2026750
Oct 05, 202675+1
Oct 02, 202674No prior observation