Sera Prognostics Inc Cash Flow Coverage Ratio 1 year YoY Change (%) is 213.94% for the Trailing 12 Months (TTM) ending March 31, 2024, a 176.64% change year over year. The cash flow coverage ratio evaluates a company's ability to cover its interest expense with its operating cash flow after deducting capital expenditures. It is calculated by dividing the difference between operating cash flow and capital expenditures by interest expense. This ratio indicates the company's ability to generate enough cash flow to service its interest payments. A higher ratio signifies better coverage and financial stability. The measure "Change (%)" refers to the percentage change in the value of a financial metric between two time points. This measure provides a relative perspective on the magnitude of change.