Bitcoin OI inches towards 2021 ATH [btcmanager] 2023-12-06 07:10 Open interest (OI) in Bitcoin futures on the Chicago Mercantile Exchange (CME) has approached record highs not seen since October 2021. Bitcoin’s (BTC) OI on the CME has risen to $5.2 billion, just $200 million less than the ATH hit… Read more at btcmanager.com