[Hyperliquid Upgrades Portfolio Margin to Alpha Phase and Adjusts Asset Limits] According to an announcement on the Hyperliquid Telegram channel, Hyperliquid will transition portfolio margin from the pre-alpha phase to the alpha phase during the next network upgrade, expanding eligibility from test accounts to portfolios under approximately $500,000. The new rules require a main account weighted trading volume exceeding $5 million to enable portfolio margin and set supply and borrowing limits for each asset: USDH and USDC both have a global supply cap of 500 million tokens, a global borrowing cap of 100 million tokens, a per-user supply cap of 5 million tokens, and a per-user borrowing cap of 1 million tokens; HYPE is set at a global supply cap of 1 million tokens and a per-user supply cap of 50,000 tokens; BTC has a global supply cap of 400 tokens and a per-user supply cap of 20 tokens.