OITracker Cboe delayed data

Contract OI history

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Jun 16, 2028 EXPIRATION

TSLA $440.00 Put

TSLA280616P00440000

Latest saved OI521Oct 23, 2026
Last change+35vs 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. 5212600 2026-10-07: 461 OI2026-10-09: 458 OI2026-10-14: 460 OI2026-10-15: 477 OI2026-10-16: 477 OI2026-10-21: 486 OI2026-10-23: 521 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, 2026Viewing521+35
Oct 21, 2026486+9
Oct 16, 20264770
Oct 15, 2026477+17
Oct 14, 2026460+2
Oct 09, 2026458-3
Oct 07, 2026461No prior observation