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Contract OI history

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Nov 20, 2026 EXPIRATION

PSIX $55.00 Call

PSIX261120C00055000

Latest saved OI275Oct 23, 2026
Last change+20vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PSIX $55.00 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. 2751370 2026-10-09: 224 OI2026-10-13: 224 OI2026-10-14: 228 OI2026-10-16: 216 OI2026-10-21: 255 OI2026-10-23: 275 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, 2026275+20
Oct 21, 2026Viewing255+39
Oct 16, 2026216-12
Oct 14, 2026228+4
Oct 13, 20262240
Oct 09, 2026224No prior observation