The world’s largest options exchange, the CBOE, has sparked several reactions with its recent action. The exchange withdrew its previous application to refile a more detailed one for spot Bitcoin ETF options trading, reflecting some regulatory changes. 
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 The CBOE (Chicago Board Options Exchange) is the world's largest options exchange, founded in 1973. It offers trading in various asset classes, including options, futures, equities, exchange-traded products (ETPs), and global foreign exchange (FX)