Bitcoin pulled back on Wednesday, sliding toward $84,000 after touching a seven-month high near $87,250 earlier in the week. As the original coin cooled, however, traders rotated into two unlikely winners: Bitcoin Cash and Bitcoin SV, forks that split off Bitcoin's main chain years apart. Both tokens posted some of their sharpest gains in months even as the broader market retreated.

Bitcoin Cash (BCH) jumped as much as 30% this week after CME Group said it will launch BCH and Uniswap futures on Oct. 19. Bitcoin SV (BSV), a fork of Bitcoin Cash born out of 2018's "Hash War," rode the same wave, gaining roughly 20% in sympathy and touching an annual high near $21.

A tale of two forks

Forks like these are offshoots of a blockchain: when part of a network splits off under different rules, a new asset is created that shares the original's code and transaction history up to the break. Bitcoin Cash split from Bitcoin's main chain in August 2017 over a dispute about block size, aiming for cheaper, faster payments rather than pure store-of-value use. Bitcoin SV split from Bitcoin Cash just over a year later in a fight known as the "Hash War," when a faction led by Craig Wright pushed for even bigger blocks and a return to Bitcoin's original design.

Both networks have traded at a fraction of Bitcoin's price and volume ever since, occasionally spiking in tandem when a fresh catalyst hits.

CME's catalyst

This week's catalyst for Bitcoin Cash appears to have been CME Group, which said Monday it will launch Bitcoin Cash futures on Oct. 19, pending regulatory review. The move makes Bitcoin Cash the exchange's tenth single-asset crypto contract, with Uniswap as the eleventh.

Standard contracts will represent 250 BCH, with micro versions covering 25 BCH for smaller traders. Giovanni Vicioso, CME's global head of cryptocurrency products, said the contracts give institutions "broader, regulated tools to navigate evolving digital asset related price risk." For traditional financial firms, listed futures offer a way to gain or hedge exposure to an asset without holding the underlying coins—a familiar structure that helped CME's earlier Bitcoin and Ether contracts find an institutional footing.

Bitcoin Cash jumped as much as 30% in the hours after the news, pushing past $340 and briefly touching $358 before cooling into Wednesday's session. Grayscale added fuel by filing to convert its Bitcoin Cash Trust into a spot ETF for NYSE Arca listing, giving BCH an institutional-adoption story on top of the futures pitch. The rally briefly pushed BCH's weekly gain past 50%. Both the futures launch and the ETF filing remain subject to regulatory sign-off, making the coming review timelines the next checkpoints for BCH's institutional push.

BSV rides the same wave

Bitcoin SV rode the same current, gaining roughly 20% alongside BCH and extending its climb toward $21—an annual high. Open interest in BSV derivatives climbed alongside the price, a sign traders were adding fresh positions rather than just covering shorts.

That said, this is not an unfamiliar pattern: Bitcoin's forks tend to outrun the original coin in short, sharp bursts before giving gains back. The smaller the market capitalization, the easier it is to move prices and increase volatility.

Meanwhile, spot Bitcoin ETFs pulled in $715 million on Tuesday, a solid inflow day even as Bitcoin's own price stalled. Those ETFs, which hold the asset directly and trade on stock exchanges, have become one of the main channels through which traditional money reaches Bitcoin. CME's Bitcoin Cash and Uniswap contracts are set to begin trading Oct. 19, pending the exchange's regulatory review.