OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

TSLA $420.00 Put

TSLA261218P00420000

Latest saved OI2,309Oct 23, 2026
Last change-57vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
TSLA $420.00 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. 2,3921,1960 2026-10-07: 2,392 OI2026-10-09: 2,378 OI2026-10-14: 2,383 OI2026-10-15: 2,381 OI2026-10-16: 2,388 OI2026-10-21: 2,366 OI2026-10-23: 2,309 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, 2026Viewing2,309-57
Oct 21, 20262,366-22
Oct 16, 20262,388+7
Oct 15, 20262,381-2
Oct 14, 20262,383+5
Oct 09, 20262,378-14
Oct 07, 20262,392No prior observation