BYLINE BANCORP, INC. (BY): what the price assumes

In the published model solve dated 2026-Q2, anchored at $38.85, BYLINE BANCORP, INC. (BY) is priced for 11.2% return on equity. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. Narrative composed 2026-07-25.

Generated: 2026-09-07 · Exported: 2026-09-09 · Source: https://boothcheck.com/report/BY

Headline

FieldValue
TickerBY
CompanyBYLINE BANCORP, INC.
Sector / IndustryFinancial Services
Current price$38.85/sh

What The Price Assumes (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

FieldValue
Inversion basisfinancials
Return on equity needed11.2%
Return on equity now10.3%
ROE gap+0.9pp
Price-to-book1.35x

Solve inputs: computed at a 9.3% cost of equity with 4% terminal growth over a 10-year stage, on common book equity (FY2026).

How unusual the bet is: within-range

ReferenceValue
vs own history+0.87σ
cohort percentile (of 121 peers)50
sustained it ~10 years at this level72%
implied end-window share0%

Valuation X-Ray

The price is supported by asset-based and earnings-power value. A value/asset-supported name, not a pure growth bet.

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

FamilyMedian price/FVModelsReads
Asset0.98x3justifies
Earnings1.08x1expensive
Relative0
Growth0

Families that justify the price: Asset, Earnings

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 5.1%); the inversion above states its own rate.

Per-Model Detail (n=4)

ModelFamilyFVPrice/FVApplicableMethodology
DCF Perpetual GrowthGrowthno
Bank Fair Value (P/TBV)$37.221.04xyesTBVPS $24.48 × 1.52x (ROE (TTM) 11.5% / CoE 9.3%, g=5.0% (sustainable: 65% retention × ROE, 5% cap; not the terminal-growth assumption))
Relative ValuationRelativenoP/E 10x (static sector reference · 2026-04), scenarios: 8.3x / 10.0x / 11.7x (bear / base = reference held flat / bull), EV/EBITDA N/Ax
Simple DDMGrowthno
Two-Stage DDMGrowthno
Simple Excess ReturnAsset$35.761.09xyesBV/sh $28.86, ROE (TTM) 11.5%, ke 9.3%
Two-Stage Excess ReturnAsset$39.630.98xyes5yr excess ROE then converge to ke=9.3%
Discounted Future Market CapGrowthnoRev $0.4B, growth 12% (input: historical growth; tapered), Terminal P/S: 3.6x / 4.4x / 5.1x (bear / base = today's held flat / bull, cap 8x)
Peter Lynch Fair ValueRelativenoEPS $3.32, growth 25% (input: historical EPS growth), PEG=0.48 (Undervalued)
Margin TrajectoryGrowthno
Earnings Power ValueEarningsno
Residual IncomeAssetno
Graham NumberAsset$46.430.84xyes√(22.5 × EPS $3.32 × BVPS $28.86) — Graham's conservative floor
EV/EBITDA RelativeRelativeno
FCF YieldEarningsno
SBC-Adj FCF YieldEarningsno
Ben Graham FormulaEarningsnoEPS $3.32 × (8.5 + 2×15.0%) × (4.4 / 5.3%)
ROIC-Justified P/BAssetno
P/Sales SectorRelativeno
PEG Fair ValueRelativenoEPS $3.32 × (PEG 1.5 × growth 24.5% (input: historical EPS growth)) → PE 36.8x
Earnings YieldEarnings$35.891.08xyesEPS $3.32 / required return 9.3% (Rf 4.3% + ERP 5.0%)
Funds From Operations MultipleRelativeno
Clinical Phase NPVGrowthno
MertonAssetno
V5 Mechanicalno

Solvency

FieldValue
Share count CAGR (dilution)4.5%

Deposit/float-funded balance sheet: debt is funding, not corporate leverage, and GAAP operating cash flow follows loan flows. Net-debt, interest-coverage, and cash-burn lenses do not apply. The solvency frame for a financial is regulatory capital and payout capacity (CET1, stress buffer, dividends plus buybacks against earnings).

Bullet Takeaways

Bull Case

Start with where the money goes. Byline keeps roughly two thirds of what it earns, returning about 32% of last fiscal year's profit to shareholders through dividends and repurchases combined. The dividend has been moving in the right direction and the 10-K states it plainly: We paid cash dividends on our common stock for each quarter of 2025 and 2024. Total dividends paid per share of common stock were $0.40 in 2025 and $0.36 in 2024. A repurchase authorization was announced on December 5, 2024. The retained majority went into the balance sheet and into buying a bank in its own back yard, with the First Security transaction bringing roughly 322 million dollars of assets including about 150 million dollars of loans, consolidated from April 1, 2025. That is a management team behaving as though the best use of a dollar is another loan or another branch network rather than a share certificate, which is a defensible position for a bank whose returns exceed its cost of capital.

What makes those retained dollars work harder here than at a plain community lender is the government-guaranteed desk. Byline originates loans under the Small Business Administration and USDA programs, sells the guaranteed portion into the secondary market, and holds on to the unguaranteed remainder along with the servicing rights. The 10-K describes the result as one time gain on sale income along with a recurring servicing and interest revenue stream. Read that carefully. A conventional bank that writes a loan must fund the whole thing and carry it for years. Byline funds a fraction, books a gain on the sale of the rest, and still collects a fee for administering the loan it no longer owns. Loan production converts into fee income and servicing annuity rather than into balance-sheet consumption, which is why a bank with under 10 billion dollars of assets can generate the fee lines it does. In the first quarter of 2026 net gains on sales of loans ran $5.5 million against $4.9 million a year earlier, with wealth management and trust income and deposit service charges layered on top.

The funding side is the quieter advantage. Deposits totaled 7.6 billion dollars at the end of 2025, up 2.5% on the year, and at March 31, 2026 non-interest-bearing accounts made up 23.3% of the total while core deposits accounted for 86.6%. A quarter of the funding base costing nothing is what allowed lending spread to widen 26 basis points year over year while loan yields were falling. Deposits per branch have been rising, which is the arithmetic of a franchise densifying rather than sprawling.

Growth is real without being frantic. Among the comparable mid-sized commercial lenders in the cohort, UCB grew revenue 13.6% over the trailing year and EFSC 11.7%, while STEL managed 0.8%; Byline sits in the working part of that range rather than at either edge. The return on equity has recently been running near 10.3%, comfortably above the roughly 9.5% cost of equity the market applies to a bank with this risk profile. That spread is the whole engine. As long as it holds, retained earnings compound at a premium to what a shareholder could earn taking the cash out, and the decision to retain two thirds of profits stops being a preference and becomes the correct answer.

The bear will say the spread widened because deposit costs fell, not because the bank got better at lending, and that is fair. But the fee engine, the servicing book, and a funding base a quarter of which pays nothing are structural rather than cyclical, and none of them requires the rate environment to cooperate.

Bear Case

The most important number in the recent results was set in Washington, not in Chicago. Lending spread widened 26 basis points year over year in the first quarter of 2026, and the 10-Q says why: the gain was primarily attributable to lower rates paid on deposits, offset by lower yields on loans. That is a description of a bank benefiting from the lag between what it pays savers and what it charges borrowers as the rate cycle turns. The problem with that source of profit is that it runs out. Deposit costs cannot fall below zero, and a quarter of the deposit base already pays nothing. Loan yields, on the other hand, keep repricing downward for as long as the cycle lasts. The tailwind reverses into a headwind without anything changing about how well the bank is run.

That matters because of what the price already assumes. At about 1.4 times book value, today's price requires the bank to sustain a return on equity around 11.5%. It has recently been earning about 10.3%, and the arithmetic is unforgiving in a specific way: roughly a percentage point separates what is being paid for from what is being delivered, and a single percentage point of movement in the cost of equity shifts the required return by about 1.4 points. Roughly seven in ten firms earning this kind of return have held it for a decade, so the assumption is ordinary rather than heroic. The bear case is not that it is impossible. It is that the price has already paid for it, so the outcomes run from unremarkable to poor. If the return settles back toward the high single digits as spread compression arrives, the multiple compresses toward book value, and the shareholder absorbs the whole difference.

The credit that fills the gap is concentrated in one metropolitan property market. The 10-K lists among its risks commercial real estate market conditions in the Chicago metropolitan area and southern Wisconsin, and it recites the supervisory framework that governs how much of it a bank may hold, noting that a lender is potentially exposed to significant concentration risk where total commercial real estate loans represent 300% or more of its total capital. Commercial property in the Chicago area has its own well-documented difficulties, and a lender whose loan book leans that way does not get to choose which cycle it is in.

The guaranteed-lending business carries a subtler version of the same exposure. The gain on sale that makes the model work depends on secondary-market appetite, and the 10-K warns that the premiums may decline due to economic and competitive factors. It also notes that When we originate SBA loans, we incur credit risk on the non-guaranteed portion of the loans, which is the piece Byline keeps. Small-business borrowers are the first to feel a slowdown and the last to recover from one. A recession would compress the premium on the loans sold and raise losses on the slices retained at the same time, which is an unhelpful correlation to own.

Finally, the share count. It has grown about 4.3% a year over the four years to March 2026, because growth here has partly been purchased with stock rather than generated by it. Per-share progress therefore depends on each acquisition earning more than the equity issued to fund it, a test that is easy to state and awkward to verify from outside. The Goodwin estate and an affiliated holder completed a registered sale of 4,282,210 shares on June 12, 2025, removing a long-standing anchor holder from the register. A buyer at today's price is paying a premium to book for a bank whose recent earnings improvement is substantially a rate-cycle gift, whose credit risk is concentrated in one city's property market, and whose share count keeps rising.

Valuation

A bank is worth the return it earns on its capital, which is why the price is read against book value rather than against an operating multiple. At $38.60 the shares change hands at roughly 1.4 times book. Strip that back to what it assumes and the answer is a sustained return on equity of about 11.5%, against roughly 10.3% recently earned. That is not a demand for reinvention. It is a demand for about one more point of return than the bank is currently producing, held indefinitely.

The methods used to triangulate this business are unusually agreed. The price sits about 7% above where the asset-value methods land. The forward-growth methods are closer still, with the price about 5% above them, and the earnings-power and peer-multiple methods land above the price rather than under it. Nothing here calls the shares expensive. The most informative of the group is the excess-return approach, which values the equity by taking book value and adding the present value of returns earned above the cost of equity: run over five years before converging back to that cost, it lands just under today's price. That is the whole thesis expressed as arithmetic. The price is book value plus a modest capitalization of a modest advantage, and the advantage is assumed to fade on schedule.

Against the cohort, the price-to-book sits in the upper half of the comparable commercial lenders, which is consistent with what the underlying growth looks like rather than at odds with it. UCB carried 13.6% trailing revenue growth and EFSC 11.7%, while STEL turned in 0.8%; a lender positioned in the productive part of that spread earning above its cost of capital does not obviously belong at the bottom of the multiple range.

The balance sheet is read the way a bank's balance sheet should be, on funding quality and capital return capacity rather than on coverage ratios. Deposits stood at 7.6 billion dollars at year end 2025 against total assets of 9.7 billion dollars, with core deposits at 86.6% of the total and non-interest-bearing accounts at 23.3% as of March 2026. About 32% of last fiscal year's earnings went out as dividends and repurchases, leaving the balance to fund lending and acquisitions, and the share count has risen about 4.3% a year over four years as a result of the second of those uses.

What is being underwritten here is narrow and legible. The price does not require a new business line, a margin transformation, or a step change in scale. It requires the bank to keep earning slightly more on its capital than it has been earning, in a rate environment that has recently been doing part of the work for it, on a loan book concentrated in one region's commercial property market.

Catalysts

Second-quarter results landed on July 23, 2026, and continued a run in which reported earnings have come in above the consensus estimate in each of the last six quarters, with the two most recent prints producing the widest gaps of the sequence. The next report is scheduled for October 22, 2026, though the date remains tentative.

Two things in the filings set up that print. The first is the composition of lending spread. The first quarter of 2026 delivered a net interest margin of 4.33%, up from 4.07% a year earlier, and the 10-Q attributes the gain to lower deposit rates partially offset by lower loan yields. Whether the second half holds that level depends on how much further deposit repricing has to run before loan yields catch up, and that question resolves in the quarterly disclosure rather than in commentary.

The second is the comparison base. First Security was consolidated from April 1, 2025, so the acquisition sat inside the growth rate for the four quarters that followed. From the June 2026 quarter onward the year-over-year comparison is like for like, which means loan growth, deposit gathering, and gains on guaranteed-loan sales are now visible without the acquisition flattering them. Fee income is the line to watch there: net gains on sales of loans ran $5.5 million in the first quarter of 2026 against $4.9 million a year earlier, and that line moves with secondary-market appetite for guaranteed paper rather than with the bank's own origination effort.

Peer Cohorts (Per Segment, With Filing Citations)

Core business (reported)

Methodology Note

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.

Sources

company earnings calendar, Q3 2026 date tentative · FY2025 10-K, Item 5 issuer purchases disclosure · FY2025 10-K, acquisition note · FY2025 10-K, selling stockholders disclosure · quarterly earnings releases, January 2025 through July 2026 · company earnings calendar

View the full interactive BY report on boothcheck