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Contract OI history

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Dec 18, 2026 EXPIRATION

ARCB $120.00 Put

ARCB261218P00120000

Latest saved OI148Oct 23, 2026
Last change-13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ARCB $120.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 161800 2026-10-09: 149 OI2026-10-13: 153 OI2026-10-14: 149 OI2026-10-15: 150 OI2026-10-16: 157 OI2026-10-21: 161 OI2026-10-23: 148 OI Oct 09, 2026Oct 23, 2026

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

ARCB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing148-13
Oct 21, 2026161+4
Oct 16, 2026157+7
Oct 15, 2026150+1
Oct 14, 2026149-4
Oct 13, 2026153+4
Oct 09, 2026149No prior observation