OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

S $19.00 Put

S261120P00019000

Latest saved OI210Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $19.00 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. 2101050 2026-10-02: 159 OI2026-10-05: 160 OI2026-10-06: 160 OI2026-10-07: 160 OI2026-10-08: 160 OI2026-10-09: 172 OI2026-10-13: 171 OI2026-10-14: 171 OI2026-10-15: 171 OI2026-10-16: 171 OI2026-10-21: 210 OI2026-10-23: 210 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, 2026Viewing2100
Oct 21, 2026210+39
Oct 16, 20261710
Oct 15, 20261710
Oct 14, 20261710
Oct 13, 2026171-1
Oct 09, 2026172+12
Oct 08, 20261600
Oct 07, 20261600
Oct 06, 20261600
Oct 05, 2026160+1
Oct 02, 2026159No prior observation