Lion Group Holding is a small online derivative trading platform targeting affluent Chinese retail investors outside mainland China, primarily in Greater China and Southeast Asia. The company operates through Lion Brokers Limited, a Cayman Islands subsidiary licensed by CIMA, and serves roughly 2,200 active accounts via its Lion Brokers Pro app. Lion's core products are OTC call options on China A-shares, total return swaps (TRS) providing leveraged exposure to Hong Kong-listed and Stock Connect-eligible A-shares, and CFD trading on indices, commodities, and forex. In the OTC options business, Lion acts as the counterparty to client trades and hedges by purchasing offsetting options from third-party issuers, earning profits from fair value movements. In TRS, Lion borrows from Chinese swap dealers and charges clients a higher interest rate, earning the spread without taking positions in the underlying stocks. CFD activity has effectively ceased. Lion has exited futures brokerage, securities brokerage, insurance brokerage, and asset management between 2024 and 2025, and all three remaining trading businesses have seen sharply declining volumes. In mid-2025, Lion launched a cryptocurrency treasury reserve strategy, acquiring Bitcoin, Hyperliquid (HYPE), Solana, and Sui using proceeds from a $24.4M convertible debenture facility, with plans to consolidate holdings into HYPE as an anchor asset over time. Revenue is concentrated among a small number of clients and is volatile, driven by trading volumes and mark-to-market movements on derivative positions where Lion acts as principal.