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Contract OI history

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Nov 20, 2026 EXPIRATION

PSIX $35.00 Put

PSIX261120P00035000

Latest saved OI113Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PSIX $35.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 121600 2026-10-09: 121 OI2026-10-13: 120 OI2026-10-14: 110 OI2026-10-16: 110 OI2026-10-21: 113 OI2026-10-23: 113 OI Oct 09, 2026Oct 23, 2026

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

PSIX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1130
Oct 21, 2026113+3
Oct 16, 20261100
Oct 14, 2026110-10
Oct 13, 2026120-1
Oct 09, 2026121No prior observation