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Contract OI history

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Jan 15, 2027 EXPIRATION

TNDM $15.00 Call

TNDM270115C00015000

Latest saved OI698Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TNDM $15.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7093540 2026-10-09: 709 OI2026-10-13: 709 OI2026-10-14: 708 OI2026-10-16: 708 OI2026-10-21: 698 OI2026-10-23: 698 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TNDM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20266980
Oct 21, 2026Viewing698-10
Oct 16, 20267080
Oct 14, 2026708-1
Oct 13, 20267090
Oct 09, 2026709No prior observation