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Contract OI history

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Jan 15, 2027 EXPIRATION

TMO $590.00 Put

TMO270115P00590000

Latest saved OI348Oct 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 $590.00 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. 3481740 2026-10-02: 345 OI2026-10-05: 345 OI2026-10-06: 345 OI2026-10-07: 345 OI2026-10-08: 345 OI2026-10-09: 345 OI2026-10-13: 346 OI2026-10-14: 346 OI2026-10-15: 348 OI2026-10-16: 348 OI2026-10-21: 348 OI2026-10-23: 348 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, 20263480
Oct 21, 2026Viewing3480
Oct 16, 20263480
Oct 15, 2026348+2
Oct 14, 20263460
Oct 13, 2026346+1
Oct 09, 20263450
Oct 08, 20263450
Oct 07, 20263450
Oct 06, 20263450
Oct 05, 20263450
Oct 02, 2026345No prior observation