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Contract OI history

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Oct 23, 2026 EXPIRATION

STLA $5.50 Put

STLA261023P00005500

Latest saved OI81Oct 23, 2026
Last change+35vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STLA $5.50 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. 81400 2026-10-02: 57 OI2026-10-05: 57 OI2026-10-06: 57 OI2026-10-07: 57 OI2026-10-08: 57 OI2026-10-09: 49 OI2026-10-13: 49 OI2026-10-14: 49 OI2026-10-15: 49 OI2026-10-16: 46 OI2026-10-21: 46 OI2026-10-23: 81 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, 2026Viewing81+35
Oct 21, 2026460
Oct 16, 202646-3
Oct 15, 2026490
Oct 14, 2026490
Oct 13, 2026490
Oct 09, 202649-8
Oct 08, 2026570
Oct 07, 2026570
Oct 06, 2026570
Oct 05, 2026570
Oct 02, 202657No prior observation