OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

TSLA $510.00 Put

TSLA261218P00510000

Latest saved OI4Oct 23, 2026
Last change-379vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
TSLA $510.00 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. 4382190 2026-10-07: 438 OI2026-10-09: 438 OI2026-10-14: 438 OI2026-10-15: 436 OI2026-10-16: 383 OI2026-10-21: 383 OI2026-10-23: 4 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, 2026Viewing4-379
Oct 21, 20263830
Oct 16, 2026383-53
Oct 15, 2026436-2
Oct 14, 20264380
Oct 09, 20264380
Oct 07, 2026438No prior observation