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Contract OI history

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Nov 20, 2026 EXPIRATION

TNDM $16.00 Put

TNDM261120P00016000

Latest saved OI89Oct 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 $16.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 89440 2026-10-09: 86 OI2026-10-13: 86 OI2026-10-14: 86 OI2026-10-16: 89 OI2026-10-21: 89 OI2026-10-23: 89 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, 2026Viewing890
Oct 21, 2026890
Oct 16, 202689+3
Oct 14, 2026860
Oct 13, 2026860
Oct 09, 202686No prior observation