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Contract OI history

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Mar 19, 2027 EXPIRATION

STX $500.00 Put

STX270319P00500000

Latest saved OI754Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STX $500.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7543770 2026-10-09: 171 OI2026-10-13: 675 OI2026-10-14: 675 OI2026-10-15: 705 OI2026-10-16: 698 OI2026-10-21: 750 OI2026-10-23: 754 OI Oct 09, 2026Oct 23, 2026

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

STX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing754+4
Oct 21, 2026750+52
Oct 16, 2026698-7
Oct 15, 2026705+30
Oct 14, 20266750
Oct 13, 2026675+504
Oct 09, 2026171No prior observation