Bitcoin and Ethereum options open interest chart showing $27 billion Boxing Day expiry on Deribit. Photo by BeInCrypto Crypto markets are bracing for a historic year-end event today, December 26, with more than$27 billion in Bitcoin and Ethereum options expiring on Deribit. This represents over half of the derivatives exchange’s total open interest. The colossal “Boxing Day” expiry could mark one of the largest structural resets in crypto history. Bitcoin and Ethereum Brace for Record $27 Billion Optio ...