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Contract OI history

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Oct 30, 2026 EXPIRATION

TDOC $5.50 Put

TDOC261030P00005500

Latest saved OI398Oct 23, 2026
Last change+149vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TDOC $5.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3981990 2026-10-02: 37 OI2026-10-05: 37 OI2026-10-06: 37 OI2026-10-07: 37 OI2026-10-08: 37 OI2026-10-09: 37 OI2026-10-13: 41 OI2026-10-15: 41 OI2026-10-16: 41 OI2026-10-21: 249 OI2026-10-23: 398 OI Oct 02, 2026Oct 23, 2026

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

TDOC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026398+149
Oct 21, 2026Viewing249+208
Oct 16, 2026410
Oct 15, 2026410
Oct 13, 202641+4
Oct 09, 2026370
Oct 08, 2026370
Oct 07, 2026370
Oct 06, 2026370
Oct 05, 2026370
Oct 02, 202637No prior observation