OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

OR $30.00 Put

OR270115P00030000

Latest saved OI478Oct 23, 2026
Last change-6vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OR $30.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5152570 2026-10-02: 500 OI2026-10-05: 503 OI2026-10-07: 504 OI2026-10-08: 504 OI2026-10-09: 504 OI2026-10-13: 515 OI2026-10-14: 515 OI2026-10-16: 505 OI2026-10-20: 484 OI2026-10-23: 478 OI Oct 02, 2026Oct 23, 2026

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

OR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing478-6
Oct 20, 2026484-21
Oct 16, 2026505-10
Oct 14, 20265150
Oct 13, 2026515+11
Oct 09, 20265040
Oct 08, 20265040
Oct 07, 2026504+1
Oct 05, 2026503+3
Oct 02, 2026500No prior observation