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Contract OI history

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Nov 20, 2026 EXPIRATION

TSLA $400.00 Put

TSLA261120P00400000

Latest saved OI5,007Oct 23, 2026
Last change+270vs 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. 5,0072,5030 2026-10-07: 4,361 OI2026-10-09: 4,448 OI2026-10-14: 4,481 OI2026-10-15: 4,457 OI2026-10-16: 4,657 OI2026-10-21: 4,737 OI2026-10-23: 5,007 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, 2026Viewing5,007+270
Oct 21, 20264,737+80
Oct 16, 20264,657+200
Oct 15, 20264,457-24
Oct 14, 20264,481+33
Oct 09, 20264,448+87
Oct 07, 20264,361No prior observation