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Contract OI history

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Dec 18, 2026 EXPIRATION

TMO $530.00 Call

TMO261218C00530000

Latest saved OI346Oct 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 $530.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3721860 2026-10-02: 372 OI2026-10-05: 370 OI2026-10-06: 369 OI2026-10-07: 369 OI2026-10-08: 369 OI2026-10-09: 369 OI2026-10-13: 368 OI2026-10-14: 368 OI2026-10-15: 368 OI2026-10-16: 368 OI2026-10-21: 346 OI2026-10-23: 346 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, 20263460
Oct 21, 2026Viewing346-22
Oct 16, 20263680
Oct 15, 20263680
Oct 14, 20263680
Oct 13, 2026368-1
Oct 09, 20263690
Oct 08, 20263690
Oct 07, 20263690
Oct 06, 2026369-1
Oct 05, 2026370-2
Oct 02, 2026372No prior observation