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Contract OI history

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Jan 21, 2028 EXPIRATION

STX $500.00 Put

STX280121P00500000

Latest saved OI923Oct 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. 9274630 2026-10-09: 918 OI2026-10-13: 909 OI2026-10-14: 909 OI2026-10-15: 909 OI2026-10-16: 914 OI2026-10-21: 927 OI2026-10-23: 923 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, 2026Viewing923-4
Oct 21, 2026927+13
Oct 16, 2026914+5
Oct 15, 20269090
Oct 14, 20269090
Oct 13, 2026909-9
Oct 09, 2026918No prior observation