OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SO $70.00 Put

SO270115P00070000

Latest saved OI2,066Oct 23, 2026
Last change+28vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SO $70.00 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. 2,0661,0330 2026-10-02: 2,038 OI2026-10-05: 2,038 OI2026-10-06: 2,038 OI2026-10-07: 2,038 OI2026-10-08: 2,038 OI2026-10-09: 2,038 OI2026-10-13: 2,038 OI2026-10-14: 2,038 OI2026-10-15: 2,038 OI2026-10-16: 2,037 OI2026-10-21: 2,038 OI2026-10-23: 2,066 OI Oct 02, 2026Oct 23, 2026

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

SO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262,066+28
Oct 21, 2026Viewing2,038+1
Oct 16, 20262,037-1
Oct 15, 20262,0380
Oct 14, 20262,0380
Oct 13, 20262,0380
Oct 09, 20262,0380
Oct 08, 20262,0380
Oct 07, 20262,0380
Oct 06, 20262,0380
Oct 05, 20262,0380
Oct 02, 20262,038No prior observation