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Contract OI history

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Dec 18, 2026 EXPIRATION

OSPN $22.50 Call

OSPN261218C00022500

Latest saved OI17Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OSPN $22.50 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. 1780 2026-10-09: 5 OI2026-10-13: 17 OI2026-10-14: 17 OI2026-10-16: 17 OI2026-10-20: 17 OI2026-10-23: 17 OI Oct 09, 2026Oct 23, 2026

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

OSPN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026170
Oct 20, 2026Viewing170
Oct 16, 2026170
Oct 14, 2026170
Oct 13, 202617+12
Oct 09, 20265No prior observation