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Contract OI history

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Jan 15, 2027 EXPIRATION

TMO $520.00 Call

TMO270115C00520000

Latest saved OI146Oct 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 $520.00 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. 150750 2026-10-02: 150 OI2026-10-05: 150 OI2026-10-06: 150 OI2026-10-07: 150 OI2026-10-08: 150 OI2026-10-09: 149 OI2026-10-13: 149 OI2026-10-14: 149 OI2026-10-15: 146 OI2026-10-16: 146 OI2026-10-21: 146 OI2026-10-23: 146 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, 20261460
Oct 21, 2026Viewing1460
Oct 16, 20261460
Oct 15, 2026146-3
Oct 14, 20261490
Oct 13, 20261490
Oct 09, 2026149-1
Oct 08, 20261500
Oct 07, 20261500
Oct 06, 20261500
Oct 05, 20261500
Oct 02, 2026150No prior observation