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Contract OI history

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Mar 19, 2027 EXPIRATION

TSM $540.00 Put

TSM270319P00540000

Latest saved OI138Oct 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 $540.00 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. 138690 2026-10-02: 115 OI2026-10-05: 115 OI2026-10-06: 115 OI2026-10-07: 115 OI2026-10-08: 115 OI2026-10-09: 115 OI2026-10-14: 119 OI2026-10-15: 138 OI2026-10-16: 138 OI2026-10-21: 138 OI2026-10-23: 138 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, 2026Viewing1380
Oct 21, 20261380
Oct 16, 20261380
Oct 15, 2026138+19
Oct 14, 2026119+4
Oct 09, 20261150
Oct 08, 20261150
Oct 07, 20261150
Oct 06, 20261150
Oct 05, 20261150
Oct 02, 2026115No prior observation