In evaluating which sector has the highest percentage of corporate profits at risk from state intervention, it is crucial to consider the exposure of various industries to regulatory changes, government policies, and state interventions. The banking sector, in particular, is highly sensitive to such interventions due to the following reasons:

Regulatory Environment: Banks operate under strict regulatory frameworks established by governments to ensure financial stability, consumer protection, and market integrity. These regulations can significantly affect banking operations and profitability. Changes in capital requirements, lending limits, and other regulatory policies can have immediate and substantial impacts on banks' profit margins.

Government Policies: Governments often implement policies aimed at influencing economic activity, such as monetary policy changes, interest rate adjustments, and fiscal policies. Banks are directly impacted by these policies as they influence lending rates, deposit rates, and overall financial market conditions.

State Intervention: During financial crises or economic downturns, governments may intervene in the banking sector to stabilize the economy. This can include measures like bailouts, nationalization, or imposing stricter controls on banking activities. Such interventions can disrupt normal business operations and affect profitability.

Systemic Importance: Banks are considered systemically important to the economy. Their failure can lead to widespread economic repercussions. As a result, governments closely monitor and regulate the sector, often intervening to prevent instability, which can affect banks' financial performance.