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Contract OI history

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Apr 16, 2027 EXPIRATION

PRTH $7.50 Call

PRTH270416C00007500

Latest saved OI45Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PRTH $7.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 46230 2026-10-09: 42 OI2026-10-13: 42 OI2026-10-14: 46 OI2026-10-15: 46 OI2026-10-16: 46 OI2026-10-21: 45 OI2026-10-23: 45 OI Oct 09, 2026Oct 23, 2026

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

PRTH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing450
Oct 21, 202645-1
Oct 16, 2026460
Oct 15, 2026460
Oct 14, 202646+4
Oct 13, 2026420
Oct 09, 202642No prior observation