OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

S $15.00 Put

S280121P00015000

Latest saved OI568Oct 23, 2026
Last change+1vs 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. 5682840 2026-10-02: 404 OI2026-10-05: 404 OI2026-10-06: 402 OI2026-10-07: 402 OI2026-10-08: 402 OI2026-10-09: 402 OI2026-10-13: 402 OI2026-10-14: 402 OI2026-10-15: 402 OI2026-10-16: 402 OI2026-10-21: 567 OI2026-10-23: 568 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, 2026Viewing568+1
Oct 21, 2026567+165
Oct 16, 20264020
Oct 15, 20264020
Oct 14, 20264020
Oct 13, 20264020
Oct 09, 20264020
Oct 08, 20264020
Oct 07, 20264020
Oct 06, 2026402-2
Oct 05, 20264040
Oct 02, 2026404No prior observation