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Contract OI history

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Dec 18, 2026 EXPIRATION

TMO $450.00 Put

TMO261218P00450000

Latest saved OI150Oct 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 $450.00 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. 150750 2026-10-02: 127 OI2026-10-05: 127 OI2026-10-06: 127 OI2026-10-07: 127 OI2026-10-08: 127 OI2026-10-09: 128 OI2026-10-13: 128 OI2026-10-14: 128 OI2026-10-15: 128 OI2026-10-16: 128 OI2026-10-21: 150 OI2026-10-23: 150 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, 20261500
Oct 21, 2026Viewing150+22
Oct 16, 20261280
Oct 15, 20261280
Oct 14, 20261280
Oct 13, 20261280
Oct 09, 2026128+1
Oct 08, 20261270
Oct 07, 20261270
Oct 06, 20261270
Oct 05, 20261270
Oct 02, 2026127No prior observation