OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

TSLA $440.00 Put

TSLA271217P00440000

Latest saved OI1,802Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
TSLA $440.00 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. 1,8039010 2026-10-07: 1,779 OI2026-10-09: 1,780 OI2026-10-14: 1,803 OI2026-10-15: 1,802 OI2026-10-16: 1,802 OI2026-10-21: 1,802 OI2026-10-23: 1,802 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, 2026Viewing1,8020
Oct 21, 20261,8020
Oct 16, 20261,8020
Oct 15, 20261,802-1
Oct 14, 20261,803+23
Oct 09, 20261,780+1
Oct 07, 20261,779No prior observation