Interest Debt per Share

Calculate the interest debt per share, a valuation ratio that measures a company’s total debt plus one year of interest expense per outstanding share.

The interest debt per share ratio shows how much debt, with its interest, ranks ahead of each share, and is often compared with the share price. Because the total debt is added to the interest expense, the value is mostly debt per share.

The formula is as follows:

\[\text{Interest Debt per Share} = (\text{Interest Expense} + \text{Total Debt}) / \text{Weighted Average} (\text{Diluted}) \text{Shares}\]

Install the Finance Toolkit with:

pip install financetoolkit -U

Then call get_interest_debt_per_share as shown below.

from financetoolkit import Toolkit

toolkit = Toolkit(
    ["T", "VZ", "CMCSA"],
    api_key="FINANCIAL_MODELING_PREP_KEY",
    start_date="2021-01-01",
    end_date="2025-12-31",
)

toolkit.ratios.get_interest_debt_per_share()

Or, after setting up the Finance Toolkit MCP, ask:

How much debt and interest expense per share did AT&T, Verizon and Comcast carry from 2021 to 2025?

Which returns:

	2021	2022	2023	2024	2025
CMCSA	22.411	23.449	27.3869	26.4143	31.5875
T	26.9929	21.1965	22.2638	20.4981	25.1832
VZ	43.7176	42.7957	42.8154	41.4912	48.9927

Parameters

get_interest_debt_per_share accepts the following parameters.

Parameter	Type	Description	Example
`diluted`	`bool`	Whether to use diluted shares in the calculation. Defaults to True.	`False`
`rounding`	`int \| None`	The number of decimals to round the results to. Defaults to None, which uses the rounding of the Toolkit (4 unless set otherwise).	`2`
`growth`	`bool`	Whether to calculate the growth of the ratios. Defaults to False.	`True`
`lag`	`int \| list[int]`	The lag to use for the growth calculation. Defaults to 1.	`4`
`compound`	`bool`	Whether the growth is the compound annual growth rate over the lag (e.g. lag=5 for the five-year CAGR) instead of the total change. Defaults to False.	`False`
`standardize`	`bool`	Whether to standardize (Z-Score) the result. When combined with growth=True, standardizes the growth values instead of the raw values. Defaults to False.	`True`
`trailing`	`int`	The number of periods to sum flows (income and cash flow statement items) over, with balance sheet items averaged over the same number of period ends. E.g. 4 with quarterly data gives the trailing twelve months (TTM) and 3 with annual data a three-year cumulative figure. Defaults to None, which uses single-period flows (per quarter and not annualized with quarterly data).	`4`

Interest Debt per Share in Python or via the MCP

Parameters

Related Valuation Ratios