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Contract OI history

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Feb 19, 2027 EXPIRATION

SSTK $2.50 Put

SSTK270219P00002500

Latest saved OI102Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SSTK $2.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 102510 2026-10-02: 2 OI2026-10-06: 2 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 102 OI2026-10-12: 102 OI2026-10-15: 102 OI2026-10-16: 102 OI2026-10-20: 102 OI2026-10-23: 102 OI Oct 02, 2026Oct 23, 2026

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

SSTK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1020
Oct 20, 20261020
Oct 16, 20261020
Oct 15, 20261020
Oct 12, 20261020
Oct 09, 2026102+100
Oct 08, 202620
Oct 07, 202620
Oct 06, 202620
Oct 02, 20262No prior observation