ARK Space & Defense Innovation ETF (ARKX)

Last Closing Price: 36.36 (2026-06-04)

Put-Call Ratio (Open Interest) (120-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

ARK Space & Defense Innovation ETF (ARKX) had 120-Day Put-Call Ratio (Open Interest) of 0.4035 for 2026-06-03.