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Contract OI history

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Nov 20, 2026 EXPIRATION

PSIX $30.00 Put

PSIX261120P00030000

Latest saved OI263Oct 23, 2026
Last change+6vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PSIX $30.00 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. 2681340 2026-10-09: 268 OI2026-10-13: 268 OI2026-10-14: 263 OI2026-10-16: 261 OI2026-10-21: 257 OI2026-10-23: 263 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, 2026263+6
Oct 21, 2026Viewing257-4
Oct 16, 2026261-2
Oct 14, 2026263-5
Oct 13, 20262680
Oct 09, 2026268No prior observation