Tidal Financial Group has filed with the U.S. SEC to launch a hedged ETF pairing Bitcoin and gold as opposing assets. Issued under the Battleshares brand, the ETF will use a long-short strategy involving short selling, swaps, and options. https://www.bloomberg.com/news/articles/2025-05-09/bitcoin-maxis-and-gold-bugs-set-for-collision-course-in-new-etf?srnd=phx-crypto&embedded-checkout=true