Capital B Cboe Listing Sparks Trading Frenzy on European Exchanges

Capital B's listing on Cboe Europe sparked a surge in trading volume within hours of its debut, more than doubling activity and surpassing trading on the company's original Euronext Growth Paris listing.

The company, rebranded from The Blockchain Group in late 2024, aims to accumulate 1% of Bitcoin's total supply, approximately 210,000 BTC, using equity financing tools.

Capital B completed a €15.2 million private placement in May 2026 to fund further Bitcoin purchases, but this method carries a built-in tension: every new share issued to fund Bitcoin buying dilutes existing shareholders' stake unless Bitcoin's price appreciates enough to offset the dilution on a per-share basis.