Derivatives Strategist
Rafael Costa
Options & futures
Rafael lives in the derivatives stack: basis, funding, skew and open interest. He explains what positioning is telling us about the next move.
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Recent publications
markets
What a Fed rate cut means for crypto markets
Lower policy rates ease financial conditions and tend to lift risk assets — but the transmission to crypto is noisier than the headlines suggest.
Rafael Costa·July 2, 2026· 7m
markets
Bitcoin options open interest hits new high
Open interest in Bitcoin options has set a record, reflecting a maturing derivatives market and more sophisticated positioning.
Rafael Costa·June 4, 2026· 5m