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Contract OI history

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Sep 17, 2027 EXPIRATION

TSLA $400.00 Put

TSLA270917P00400000

Latest saved OI1,011Oct 23, 2026
Last change+50vs 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. 1,0115050 2026-10-07: 656 OI2026-10-09: 698 OI2026-10-14: 700 OI2026-10-15: 704 OI2026-10-16: 704 OI2026-10-21: 961 OI2026-10-23: 1,011 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, 2026Viewing1,011+50
Oct 21, 2026961+257
Oct 16, 20267040
Oct 15, 2026704+4
Oct 14, 2026700+2
Oct 09, 2026698+42
Oct 07, 2026656No prior observation