OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

STLA $4.00 Put

STLA261030P00004000

Latest saved OI1,078Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STLA $4.00 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. 1,1765880 2026-10-02: 508 OI2026-10-05: 558 OI2026-10-06: 558 OI2026-10-07: 558 OI2026-10-08: 558 OI2026-10-09: 1,019 OI2026-10-13: 1,020 OI2026-10-14: 1,019 OI2026-10-15: 1,176 OI2026-10-16: 1,054 OI2026-10-21: 1,070 OI2026-10-23: 1,078 OI Oct 02, 2026Oct 23, 2026

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

STLA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,078+8
Oct 21, 20261,070+16
Oct 16, 20261,054-122
Oct 15, 20261,176+157
Oct 14, 20261,019-1
Oct 13, 20261,020+1
Oct 09, 20261,019+461
Oct 08, 20265580
Oct 07, 20265580
Oct 06, 20265580
Oct 05, 2026558+50
Oct 02, 2026508No prior observation