OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

STLA $4.00 Put

STLA280121P00004000

Latest saved OI2,807Oct 23, 2026
Last change-1vs 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. 2,8081,4040 2026-10-02: 2,744 OI2026-10-05: 2,754 OI2026-10-06: 2,754 OI2026-10-07: 2,754 OI2026-10-08: 2,754 OI2026-10-09: 2,754 OI2026-10-13: 2,754 OI2026-10-14: 2,754 OI2026-10-15: 2,754 OI2026-10-16: 2,754 OI2026-10-21: 2,808 OI2026-10-23: 2,807 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, 2026Viewing2,807-1
Oct 21, 20262,808+54
Oct 16, 20262,7540
Oct 15, 20262,7540
Oct 14, 20262,7540
Oct 13, 20262,7540
Oct 09, 20262,7540
Oct 08, 20262,7540
Oct 07, 20262,7540
Oct 06, 20262,7540
Oct 05, 20262,754+10
Oct 02, 20262,744No prior observation