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Contract OI history

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Mar 19, 2027 EXPIRATION

STX $270.00 Put

STX270319P00270000

Latest saved OI166Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STX $270.00 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. 167830 2026-10-09: 167 OI2026-10-13: 167 OI2026-10-14: 167 OI2026-10-15: 167 OI2026-10-16: 164 OI2026-10-21: 164 OI2026-10-23: 166 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, 2026Viewing166+2
Oct 21, 20261640
Oct 16, 2026164-3
Oct 15, 20261670
Oct 14, 20261670
Oct 13, 20261670
Oct 09, 2026167No prior observation