OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

TSLA $425.00 Put

TSLA261218P00425000

Latest saved OI545Oct 23, 2026
Last change-8vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
TSLA $425.00 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. 5532760 2026-10-07: 535 OI2026-10-09: 533 OI2026-10-14: 535 OI2026-10-15: 538 OI2026-10-16: 536 OI2026-10-21: 553 OI2026-10-23: 545 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, 2026Viewing545-8
Oct 21, 2026553+17
Oct 16, 2026536-2
Oct 15, 2026538+3
Oct 14, 2026535+2
Oct 09, 2026533-2
Oct 07, 2026535No prior observation