OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

S $23.00 Put

S270319P00023000

Latest saved OI1,277Oct 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 $23.00 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. 1,2816400 2026-10-02: 1,234 OI2026-10-05: 1,235 OI2026-10-06: 1,240 OI2026-10-07: 1,240 OI2026-10-08: 1,240 OI2026-10-09: 1,256 OI2026-10-13: 1,257 OI2026-10-14: 1,257 OI2026-10-15: 1,281 OI2026-10-16: 1,277 OI2026-10-21: 1,277 OI2026-10-23: 1,277 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, 2026Viewing1,2770
Oct 21, 20261,2770
Oct 16, 20261,277-4
Oct 15, 20261,281+24
Oct 14, 20261,2570
Oct 13, 20261,257+1
Oct 09, 20261,256+16
Oct 08, 20261,2400
Oct 07, 20261,2400
Oct 06, 20261,240+5
Oct 05, 20261,235+1
Oct 02, 20261,234No prior observation