OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

IRS $12.50 Put

IRS270115P00012500

Latest saved OI375Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
IRS $12.50 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. 3751870 2026-10-02: 365 OI2026-10-05: 365 OI2026-10-06: 365 OI2026-10-07: 365 OI2026-10-08: 375 OI2026-10-13: 375 OI2026-10-14: 375 OI2026-10-16: 375 OI2026-10-20: 375 OI2026-10-23: 375 OI Oct 02, 2026Oct 23, 2026

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

IRS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20263750
Oct 20, 2026Viewing3750
Oct 16, 20263750
Oct 14, 20263750
Oct 13, 20263750
Oct 08, 2026375+10
Oct 07, 20263650
Oct 06, 20263650
Oct 05, 20263650
Oct 02, 2026365No prior observation