Macroeconomics stability of an economy can be measured by the volatility of key indicators, and some of them are the following:

1. Inflation: Inflation is the main indicator; hyperinflation and deflation imply an unstable economy.

2. GDP growth: An increase in GDP in the indicator of a stable economy.

3. Unemployment rate: Higher unemployment rate indicate instability in the economy.

4. Exchange rate: A strong exchange rate implies a more stable and powerful economy.

5. Income distribution: Income distribution is also a good indicator of a stable economy. Uniform income distributions in an economy imply more stability in an economy.