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Contract OI history

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May 21, 2027 EXPIRATION

PSIX $65.00 Call

PSIX270521C00065000

Latest saved OI28Oct 23, 2026
Last change+2vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PSIX $65.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 28140 2026-10-09: 28 OI2026-10-13: 28 OI2026-10-14: 28 OI2026-10-16: 26 OI2026-10-21: 26 OI2026-10-23: 28 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, 202628+2
Oct 21, 2026Viewing260
Oct 16, 202626-2
Oct 14, 2026280
Oct 13, 2026280
Oct 09, 202628No prior observation