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Contract OI history

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Jun 17, 2027 EXPIRATION

STX $520.00 Put

STX270617P00520000

Latest saved OI285Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STX $520.00 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. 2851420 2026-10-09: 131 OI2026-10-13: 279 OI2026-10-14: 279 OI2026-10-15: 279 OI2026-10-16: 279 OI2026-10-21: 279 OI2026-10-23: 285 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, 2026Viewing285+6
Oct 21, 20262790
Oct 16, 20262790
Oct 15, 20262790
Oct 14, 20262790
Oct 13, 2026279+148
Oct 09, 2026131No prior observation