OITracker Cboe delayed data

Contract OI history

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Nov 13, 2026 EXPIRATION

OPEN $2.50 Put

OPEN261113P00002500

Latest saved OI606Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $2.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6063030 2026-10-09: 574 OI2026-10-13: 575 OI2026-10-14: 575 OI2026-10-15: 592 OI2026-10-16: 593 OI2026-10-21: 598 OI2026-10-23: 606 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OPEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing606+8
Oct 21, 2026598+5
Oct 16, 2026593+1
Oct 15, 2026592+17
Oct 14, 20265750
Oct 13, 2026575+1
Oct 09, 2026574No prior observation