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Contract OI history

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Oct 23, 2026 EXPIRATION

STX $520.00 Put

STX261023P00520000

Latest saved OI174Oct 23, 2026
Last change+12vs 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. 174870 2026-10-09: 108 OI2026-10-13: 108 OI2026-10-14: 108 OI2026-10-15: 108 OI2026-10-16: 159 OI2026-10-21: 162 OI2026-10-23: 174 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, 2026Viewing174+12
Oct 21, 2026162+3
Oct 16, 2026159+51
Oct 15, 20261080
Oct 14, 20261080
Oct 13, 20261080
Oct 09, 2026108No prior observation