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Contract OI history

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Dec 18, 2026 EXPIRATION

TSLA $320.00 Put

TSLA261218P00320000

Latest saved OI9,408Oct 23, 2026
Last change+204vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
TSLA $320.00 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. 9,4084,7040 2026-10-07: 8,765 OI2026-10-09: 8,781 OI2026-10-14: 8,855 OI2026-10-15: 8,846 OI2026-10-16: 8,907 OI2026-10-21: 9,204 OI2026-10-23: 9,408 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, 2026Viewing9,408+204
Oct 21, 20269,204+297
Oct 16, 20268,907+61
Oct 15, 20268,846-9
Oct 14, 20268,855+74
Oct 09, 20268,781+16
Oct 07, 20268,765No prior observation