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Contract OI history

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Dec 15, 2028 EXPIRATION

TSLA $400.00 Put

TSLA281215P00400000

Latest saved OI3,346Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
TSLA $400.00 put open interest history 7 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 3,3461,6730 2026-10-07: 3,180 OI2026-10-09: 3,191 OI2026-10-14: 3,192 OI2026-10-15: 3,206 OI2026-10-16: 3,204 OI2026-10-21: 3,336 OI2026-10-23: 3,346 OI Oct 07, 2026Oct 23, 2026

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

TSLA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,346+10
Oct 21, 20263,336+132
Oct 16, 20263,204-2
Oct 15, 20263,206+14
Oct 14, 20263,192+1
Oct 09, 20263,191+11
Oct 07, 20263,180No prior observation