Medearis and his two cofounders of Silicon Valley Bank wished to tackle the antiquated banking practices that led to a massive reduction in the number of banks, the disappearance of community banks, and the mergers of Big Banks. Bank regulations and culture prevent banks from embracing tech startups and entrepreneurs as lending clients. The SVB founders knew about Bank of America’s abandonment of its early tech lending, missed opportunities, and bank failures to capture tech startups and entrepreneurs. The old, conservative banking environment during the early days of the tech sector presented the founders with an opportunity.

Banks can become illiquid when wholesale funding markets to not function for extended periods of time. Illiquidity quickly transforms into insolvency if liquid assets or cash flows cannot cover banks’ maturing liabilities. Since the 2008–9 global financial crisis, a new financial stability consensus has emerged whereby central banks began implementing unconventional liquidity tools. This chapter comparatively analyzes Hong Kong’s sectoral supervision with the integrated, functional, and Twin Peaks models when implementing unconventional liquidity tools. The macro- and micro-prudential characteristics of unconventional liquidity tools necessitate systemic supervision by central banks and banking supervisors. Effective systemic supervision of unconventional liquidity tools cannot be presumed merely by the presence of a systemic supervisory agency. Underlap can weaken systemic risk objectives and mandates when implementing unconventional liquidity tools because supervisory roles can become uncertain. In this context, Hong Kong’s composite systemic supervisor, the Financial Stability Committee, may not be able to properly coordinate member financial supervisors. Uncertainty can lead to tensions between Financial Stability Committee members, impeding systemic supervisory effectiveness. Tensions coupled with uncertainty can produce macro-prudential and systemic supervisory flaws when managing funding and market liquidity, heightening banking system instability.

Banks fail when an illiquidity event depletes capital reserves. Liquidity is sourced from assets that can readily be transformed into cash or from wholesale funding markets and central banks. Basel III strengthens bank balance sheets by allowing supervisors to release capital and liquidity reserves during times of market liquidity stress. This chapter analyzes the implementation of the Basel III capital and liquidity reforms in Hong Kong, banking sector stability during the 2008–9 global financial crisis and the Covid-19 pandemic, and systemic supervision. Hong Kong is a unique international financial centre because it is overwhelmingly populated by domestic systemically important banks. Universal banking and Basel III compel banking sector supervision of Hong Kong’s securities and insurance sectors, despite falling outside the supervisory design of the Hong Kong Monetary Authority. This chapter argues that different supervisory structures and models affect the regulation and supervision of financial stability in Hong Kong’s banking sector. Insurance and wealth management products in the banking industry can produce systemic risks that might be overlooked by the Hong Kong Monetary Authority. Supervisory bias towards the banking sector in conjunction with cross-sectoral underlap could cause financial instability and a systemic banking crisis in Hong Kong.