OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

S $15.00 Put

S270115P00015000

Latest saved OI2,513Oct 23, 2026
Last change-10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $15.00 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. 2,5231,2610 2026-10-02: 2,498 OI2026-10-05: 2,486 OI2026-10-06: 2,483 OI2026-10-07: 2,483 OI2026-10-08: 2,483 OI2026-10-09: 2,481 OI2026-10-13: 2,479 OI2026-10-14: 2,479 OI2026-10-15: 2,478 OI2026-10-16: 2,478 OI2026-10-21: 2,523 OI2026-10-23: 2,513 OI Oct 02, 2026Oct 23, 2026

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

S contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,513-10
Oct 21, 20262,523+45
Oct 16, 20262,4780
Oct 15, 20262,478-1
Oct 14, 20262,4790
Oct 13, 20262,479-2
Oct 09, 20262,481-2
Oct 08, 20262,4830
Oct 07, 20262,4830
Oct 06, 20262,483-3
Oct 05, 20262,486-12
Oct 02, 20262,498No prior observation