Regencell Bioscience Holdings Ltd Cash Interest Coverage Ratio is NA for the Trailing 12 Months (TTM) ending September 30, 2023. The cash interest coverage ratio measures a company's ability to cover its interest expenses with its operating cash flow. It is calculated by dividing operating cash flow by interest expense. This ratio indicates the company's capacity to generate sufficient cash flow to meet its interest obligations. A higher ratio signifies better coverage and financial stability.