Why DCF Does Not Work for Banks, Insurers, and REITs (and What to Use Instead)

Last updated October 29, 2026·6 min read

A discounted cash flow model values a business by projecting the cash its owners can take out. For three kinds of companies, that cash figure is either undefined, misleading, or printed in a different line of the statements entirely. Banks borrow their raw material. Insurers hold money that belongs to policyholders. Real estate trusts report earnings that depreciation has already gutted. This guide explains each failure plainly and names the tool that replaces the DCF in each case.

The Short Reason

Free cash flow is operating cash flow minus capital spending. The formula presumes a business that buys inputs, sells outputs, and treats debt as financing chosen on top of the operation. In a bank, debt is the operation: deposits are raw material, loans are inventory, and interest is closer to a cost of goods sold than a financing charge. In an insurer, the cash on hand includes premiums held against future claims, which is other people's money passing through. In a real estate investment trust, the earnings figure subtracts depreciation on buildings that may be holding or gaining value, so earnings understate the cash the properties produce. One formula, three different ways to lie.

An honest valuation tool does not force the number. In Stock Valuation Studio, the discounted cash flow reports a state instead of a value for these companies, and the headline moves to the models that fit the sector. What follows is the reasoning an investor can apply with any tool.

Banks: The Cash Flow Statement Cannot Answer

Look at the record of the largest American bank. JPMorgan Chase reported operating cash flow of negative $147,782 million for fiscal 2025, after negative $42,012 million the year before, while earning net income of $57,048 million. A profitable, dividend-paying bank printed deeply negative operating cash flow in consecutive years, because lending more money than came back is what growth looks like on a bank's cash flow statement. The Maineblock feed carries no free cash flow figure for JPMorgan at all, because the standard construction does not survive contact with a balance sheet of $4,424,900 million in assets funded largely by other people's deposits.

What to use instead, for a bank:

• The dividend discount model. Dividends are the one cash stream a bank unambiguously pays its owners, and capital rules gate them, which makes them comparatively honest. JPMorgan paid a trailing dividend of $6.00 a share against a price of $343.58 in late October 2026, a yield of about 1.7 percent.
• Earnings and book value, read together. JPMorgan earned $20.02 a share in fiscal 2025, so the price was 17.2 times earnings. Book value was $135.26 a share, so the price was 2.54 times book, against a return on equity of about 15.4 percent. A bank earning 15 percent on its equity is worth more than its book value; a bank earning 6 percent is not. The pair of multiples, with the return on equity between them, is the working bank appraisal.

Insurers: Float Is Not Profit

An insurer collects premiums now and pays claims later. The cash in between, the float, sits on the balance sheet invested, and it looks like wealth. It is a liability with good public relations. Earnings also swing with investment gains and losses, which are market weather rather than underwriting skill. A free cash flow projection built on either figure imports the confusion.

What to use instead, for an insurer:

• Price to book value, read against return on equity, the same pairing as banks, with attention to whether underwriting itself makes money before investment results.
• The dividend discount model for the mature, steady payers, since dividends remain cash that has genuinely left the building.
• For conglomerates built around insurance, such as Berkshire Hathaway, look-through earnings and book value growth carry more information than any cash flow line. The monthly data study in this series leaves Berkshire out of its implied growth table for exactly this reason.

REITs: Earnings Are the Wrong Denominator

Realty Income, the monthly dividend landlord, reported fiscal 2025 net income of $1,058,590 thousand and depreciation and amortization of $2,524,200 thousand. Rents arrive in cash; the depreciation charge against the buildings is an accounting schedule, not a bill. Earnings per share of $1.17 against a price of $57.20 gives a price-to-earnings ratio of 48.9, which reads as absurd for a landlord until you rebuild the denominator the way the industry does.

Funds from operations starts with net income and adds back real estate depreciation, amortization, and impairment charges, and subtracts gains on property sales, of which the record shows none. For Realty Income: $1,058,590 thousand plus $2,524,200 thousand plus $471,335 thousand of impairments is $4,054,125 thousand, or $4.46 for each of its roughly 908 million diluted shares. The price against that figure is a price-to-FFO multiple of 12.8, a sane number for a net-lease landlord. The dividend of $3.23 a share trailing is a payout of about 72 percent of funds from operations, which is the sustainability check that replaces the earnings payout ratio. In the Studio, a REIT's headline routes to the multiples model on the price-to-FFO basis whenever funds from operations can be stated.

The General Rule

Before running any model, ask what the model's cash figure means for this company. If debt is the product, if the cash belongs to customers, or if the earnings line subtracts costs that were never paid, the discounted cash flow is the wrong instrument no matter how carefully it is tuned. The models hub in this series shows which of the 31 models the Studio runs for each sector and which ones report a state instead, and the Studio itself is free to open on any of these companies to see the routing happen on live figures.

Sources

• JPMorgan Chase and Co. and Realty Income Corporation filings for fiscal 2025, as carried in the Maineblock feed record on October 29, 2026: JPMorgan operating cash flow, net income, earnings per share of $20.02, equity of $362,438 million, price $343.58; Realty Income net income, depreciation and amortization, impairment charges, earnings per share of $1.17, price $57.20. Filings are public at SEC EDGAR
• Funds from operations follows the industry definition published by Nareit: net income, plus real estate depreciation and amortization and impairments of depreciable real estate, less gains on sales of depreciable real estate.