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Contract OI history

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Jan 21, 2028 EXPIRATION

TMO $500.00 Call

TMO280121C00500000

Latest saved OI203Oct 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 $500.00 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. 2041020 2026-10-02: 204 OI2026-10-05: 204 OI2026-10-06: 204 OI2026-10-07: 204 OI2026-10-08: 204 OI2026-10-09: 204 OI2026-10-13: 204 OI2026-10-14: 204 OI2026-10-15: 204 OI2026-10-16: 204 OI2026-10-21: 203 OI2026-10-23: 203 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, 20262030
Oct 21, 2026Viewing203-1
Oct 16, 20262040
Oct 15, 20262040
Oct 14, 20262040
Oct 13, 20262040
Oct 09, 20262040
Oct 08, 20262040
Oct 07, 20262040
Oct 06, 20262040
Oct 05, 20262040
Oct 02, 2026204No prior observation