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Contract OI history

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Jan 21, 2028 EXPIRATION

TMO $230.00 Put

TMO280121P00230000

Latest saved OI10Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TMO $230.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1050 2026-10-02: 6 OI2026-10-05: 6 OI2026-10-06: 6 OI2026-10-07: 6 OI2026-10-08: 6 OI2026-10-09: 6 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-15: 10 OI2026-10-16: 10 OI2026-10-21: 10 OI2026-10-23: 10 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TMO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026100
Oct 21, 2026Viewing100
Oct 16, 2026100
Oct 15, 202610+4
Oct 14, 202660
Oct 13, 202660
Oct 09, 202660
Oct 08, 202660
Oct 07, 202660
Oct 06, 202660
Oct 05, 202660
Oct 02, 20266No prior observation