OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

NET $320.00 Put

NET270115P00320000

Latest saved OI1,755Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NET $320.00 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. 1,7558770 2026-10-02: 249 OI2026-10-05: 249 OI2026-10-06: 268 OI2026-10-07: 277 OI2026-10-08: 277 OI2026-10-09: 277 OI2026-10-13: 290 OI2026-10-14: 290 OI2026-10-15: 1,746 OI2026-10-16: 1,745 OI2026-10-21: 1,753 OI2026-10-23: 1,755 OI Oct 02, 2026Oct 23, 2026

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

NET contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,755+2
Oct 21, 20261,753+8
Oct 16, 20261,745-1
Oct 15, 20261,746+1,456
Oct 14, 20262900
Oct 13, 2026290+13
Oct 09, 20262770
Oct 08, 20262770
Oct 07, 2026277+9
Oct 06, 2026268+19
Oct 05, 20262490
Oct 02, 2026249No prior observation