OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

O $52.50 Put

O270115P00052500

Latest saved OI1,501Oct 23, 2026
Last change+60vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $52.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,5017500 2026-10-02: 1,363 OI2026-10-05: 1,372 OI2026-10-06: 1,346 OI2026-10-07: 1,346 OI2026-10-08: 1,352 OI2026-10-09: 1,350 OI2026-10-13: 1,359 OI2026-10-14: 1,417 OI2026-10-15: 1,420 OI2026-10-16: 1,424 OI2026-10-21: 1,441 OI2026-10-23: 1,501 OI Oct 02, 2026Oct 23, 2026

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

O contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,501+60
Oct 21, 20261,441+17
Oct 16, 20261,424+4
Oct 15, 20261,420+3
Oct 14, 20261,417+58
Oct 13, 20261,359+9
Oct 09, 20261,350-2
Oct 08, 20261,352+6
Oct 07, 20261,3460
Oct 06, 20261,346-26
Oct 05, 20261,372+9
Oct 02, 20261,363No prior observation