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Contract OI history

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Nov 20, 2026 EXPIRATION

ARHS $12.50 Call

ARHS261120C00012500

Latest saved OI277Oct 23, 2026
Last change+82vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ARHS $12.50 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. 2771380 2026-10-09: 116 OI2026-10-13: 116 OI2026-10-14: 116 OI2026-10-15: 116 OI2026-10-16: 116 OI2026-10-20: 195 OI2026-10-23: 277 OI Oct 09, 2026Oct 23, 2026

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

ARHS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing277+82
Oct 20, 2026195+79
Oct 16, 20261160
Oct 15, 20261160
Oct 14, 20261160
Oct 13, 20261160
Oct 09, 2026116No prior observation