Institution-focused over-the-counter desk Paradigm saw 18,500 contracts of the $4,400 call option and 14,000 contracts of the $4,200 call option change hands during Asian hours. These trades due for expiry on Dec. 31 were executed on Paradigm and booked on Deribit, the leading exchange for cryptocurrency options by volume and open interest. Source link … [Read more...] about Ether Call Demand Signals Anticipation of Year-End Rally