OLD NATIONAL BANCORP /IN/ (ONB): what the price assumes

In the published model solve dated 2026-Q2, anchored at $26.99, OLD NATIONAL BANCORP /IN/ (ONB) is priced for 11.8% 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 2026-06-27.

Generated: 2026-08-10 · Exported: 2026-08-12 · Source: https://boothcheck.com/report/ONB

Headline

FieldValue
TickerONB
CompanyOLD NATIONAL BANCORP /IN/
Current price$26.99/sh

What The Price Assumes (Inversion)

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

FieldValue
Inversion basisfinancials
Elite ROE must persist for24.9y before normalizing (held at the 11.7% elite tier)
Perpetuity-equivalent ROE11.8%
Return on equity now7.9%
ROE gap+3.9pp
Price-to-book1.26x

Solve inputs: computed at a 10.2% cost of equity; ROE searched up to the 11.7% ROE ceiling.

How unusual the bet is: elevated

ReferenceValue
vs own history+3.06σ
cohort percentile (of 166 peers)43
sustained it ~10 years at this level70%
implied end-window share0%

Valuation X-Ray

Every valuation family lands below the price. The price therefore sits beyond what those standard frames encode.

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
Asset1.28x3expensive
Earnings1.29x1expensive
Relative0
Growth0

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)$12.182.22xyesTBVPS $14.49 × 0.84x (ROE (TTM) 8.9% / CoE 9.3%, g=5.0% (sustainable: 65% retention × ROE, 5% cap; not the terminal-growth assumption), credit 1.17% allowance/loans → ×0.93, NPL 1.04% → ×0.98)
Relative ValuationRelativenoP/E 10x (static sector reference · 2026-04), scenarios: 8.0x / 10.0x / 12.0x (bear / base = reference held flat / bull), EV/EBITDA N/Ax
Simple DDMGrowthno
Two-Stage DDMGrowthno
Simple Excess ReturnAsset$21.121.28xyesBV/sh $21.93, ROE (TTM) 8.9%, ke 9.3%
Two-Stage Excess ReturnAsset$20.741.30xyes5yr excess ROE then converge to ke=9.3%
Discounted Future Market CapGrowthnoRev $2.2B, growth 30% (input: historical growth; tapered), Terminal P/S: 3.7x / 4.7x / 5.6x (bear / base = today's held flat / bull, cap 12x)
Peter Lynch Fair ValueRelativenoEPS $1.94, growth 12% (input: historical EPS growth), PEG=1.16 (Fair)
Margin TrajectoryGrowthno
Earnings Power ValueEarningsno
Residual IncomeAssetno
Graham NumberAsset$30.940.87xyes√(22.5 × EPS $1.94 × BVPS $21.93) — Graham's conservative floor
EV/EBITDA RelativeRelativeno
FCF YieldEarningsno
SBC-Adj FCF YieldEarningsno
Ben Graham FormulaEarningsnoEPS $1.94 × (8.5 + 2×11.9%) × (4.4 / 5.3%)
ROIC-Justified P/BAssetno
P/Sales SectorRelativeno
PEG Fair ValueRelativenoEPS $1.94 × (PEG 1.5 × growth 11.9% (input: historical EPS growth)) → PE 17.8x
Earnings YieldEarnings$20.971.29xyesEPS $1.94 / required return 9.3% (Rf 4.3% + ERP 5.0%)
Funds From Operations MultipleRelativeno
Clinical Phase NPVGrowthno
MertonAssetno
V5 Mechanicalno

Economic-Unit Decomposition (Sum Of The Parts)

The issuer is a funded financial business. Debt, interest, and cash flows are operating inputs, so industrial EV, net-debt, WACC, and free-cash-flow lenses do not apply; value the common-equity claim with book, earnings, capital, and payout economics.

UnitRoleValuation basisRevenueReported profitValue evidenceStatus
Old National Bancorp (banking, one reportable segment)financialequity2.5B reported-currencywithheldunresolved standalone equity facts required

No unit-level total common-equity value is stated. Each financial unit requires supported standalone common equity, normalized earnings, capital adequacy, and payout capacity. Consolidated debt, interest, and cash are operating balances, not an enterprise-to-equity bridge; company-level book, earnings, capital, and payout lenses remain the coherent cross-checks.

Solvency

FieldValue
Share count CAGR (dilution)14.3%

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

At $24.76 Old National trades above the methods, not below them. The supported range runs from about $10 to $15 with a base near $13, and the price sits above the top of that band. The market is paying a premium for the post-Bremer earnings power the bank just demonstrated.

The demonstrated quarter is genuinely strong. Q1 2026 brought $0.59 diluted EPS ($0.61 adjusted), a return on average tangible common equity of 18.4%, an efficiency ratio of 45.7%, and 8% annualized loan growth. Management is targeting more than 15% EPS growth in 2026.

The tension is durability. The implied return on equity embedded in the price sits far above the bank's own multi-year history, which is why the rarity check flags it. The price assumes the elevated post-merger profitability persists; a regional bank's returns tend to revert toward the cost of equity as deposit competition and the rate cycle do their work.

Bull Case

Start with where the price sits against the methods, because for a bank trading above its valuation range, that premium has to be explained. At $24.76 (June 27, 2026) Old National sits above a supported range of roughly $10 to $15, and the implied-expectations read for a financial backs out a return on equity well above the bank's historical average. The market is not mispricing a sleepy regional; it is paying up for a specific thesis, that the bank's profitability has stepped to a structurally higher level after integrating Bremer. The bull case is that the recent results justify that premium.

The results are hard to argue with. Q1 2026 produced $0.59 diluted EPS and $0.61 adjusted, a return on average tangible common equity of 18.4%, an efficiency ratio of 45.7% that the company called a record, and annualized loan and deposit growth of 8.0% and 4.2%. Net interest income on a taxable-equivalent basis was $580.4 million at a 3.55% margin. The bank's own disclosures show return on common equity in the mid-teens and net charge-offs of only 0.25% of average loans, the profile of a disciplined lender (FY2025 10-K, accession 0000707179-26-000010). A mid-40s efficiency ratio means the bank converts a large share of revenue to profit, which is the engine behind the high ROTCE.

The Bremer acquisition is the value-creation story. Completed May 1, 2025, it expanded Old National's Midwest footprint, and management projects cost savings of roughly 30% of Bremer's expense base, about $111 million pre-tax, with full realization in 2026 and beyond. That cost-out is the bridge from the deal's dilution to accretive earnings, and the Q1 efficiency ratio suggests it is landing. With management guiding to positive operating leverage and more than 15% EPS growth in 2026, and the share count having absorbed the stock consideration, the bull case is that a well-run, low-cost, growing regional bank deserves to trade at a premium to a generic bank valuation, and that the post-merger ROTCE is the proof.

Bear Case

The bear case starts with the competitors at the door, because a regional bank's profitability is contested from several directions at once. Old National's own filing lists the field plainly: it competes with banks, "money market mutual funds, and other financial services companies," and warns that "our competitors may have substantially greater resources and lending limits than Old National does" (FY2025 10-K, accession 0000707179-26-000010). The largest national banks bring scale, technology budgets and brand that a Midwest regional cannot match. On the deposit side the pressure is sharper still: the same filing notes the Company "competes with banks and other financial services companies for deposits" and that rate moves have driven "higher funding costs." Fintech and money-market alternatives have made deposits more rate-sensitive than they used to be, which threatens the cheap funding that powers the net interest margin.

That competition is already visible in the numbers. The Q1 2026 net interest margin slipped 10 basis points to 3.55% as asset yields softened and the loan mix tilted toward lower-spread, near-investment-grade floating-rate commercial credit. Growing the loan book at 8% while the margin compresses is the classic regional-bank squeeze: volume offsets price, until it does not. If deposit competition forces funding costs higher or the rate cycle turns against the asset side, the margin and the ROTCE that justify the premium both come under pressure.

The valuation is where these risks concentrate. The price sits above the supported range, and the implied return on equity is more than two standard deviations above the bank's own history, which is why the rarity check trips. Old National's disclosed return on common equity has run in the mid-teens, not the 18%-plus the recent quarter showed, and bank returns mean-revert toward the cost of equity as competition and credit costs normalize. The price assumes the post-Bremer profitability is the new baseline; the methods, and the bank's own history, suggest it is more likely a peak. A regional bank priced for permanently elevated returns has limited margin for a deposit war, a credit downturn, or simple reversion.

Valuation

Old National is valued on the bank framework, which inverts price-to-book through the return on equity rather than running an operating-margin DCF. On that basis the supported range is roughly $10 to $15 with a base near $13, and the price of $24.76 sits above the top of the band. The bank-specific fair value, anchored on tangible book value and a normalized ROE, lands near $12, while the more generous earnings-and-growth reads stretch higher. The blended picture is a price that the asset, earnings-power and relative families partly support but that the central estimate does not reach.

The key diagnostic is the implied return on equity. The price embeds an ROE more than two standard deviations above Old National's own multi-year history, which is what the elevated rarity flag with the ownZ trip is signaling. The recent quarter delivered an 18.4% return on average tangible common equity, but the bank's disclosed return on common equity has historically run in the mid-teens (FY2025 10-K, accession 0000707179-26-000010). The valuation, in other words, is extrapolating the post-merger peak rather than the through-cycle average. For a bank, that distinction is everything, because returns above the cost of equity attract competition and tend to fade.

The credit and capital picture supports the business without resolving the price. Net charge-offs of 0.25% of average loans and a Tier 1 leverage ratio near 9% indicate a soundly capitalized, well-underwritten bank (same 10-K). That quality is real and is part of why the market pays a premium. But it does not change the arithmetic: the price requires the elevated ROE to persist, and the methods say a more normal ROE produces a value below where the stock trades. Paid at this level, an investor is underwriting that the Bremer integration permanently raised Old National's return profile, against a base rate in which bank returns revert.

Catalysts

Old National reported Q1 2026 with net income to common of $229.6 million, diluted EPS of $0.59 and adjusted EPS of $0.61, a return on average tangible common equity of 18.4%, an efficiency ratio of 45.7%, and 8% annualized loan growth (StockTitan). Net interest margin was 3.55%, down 10 basis points as asset yields softened (Yahoo Finance).

The catalysts ahead center on the Bremer integration and the rate cycle. The acquisition closed May 1, 2025, and Old National projects about $111 million of pre-tax cost savings, roughly 30% of Bremer's expense base, fully realized in 2026 and beyond, with 2026 guidance targeting positive operating leverage and more than 15% EPS growth on about $2,415 million of taxable-equivalent net interest income (StockTitan results). Watch three things over the next two quarters: whether the net interest margin stabilizes or keeps slipping as deposit competition and the rate path play out, whether the efficiency ratio holds in the mid-40s as the cost synergies fully land, and whether credit costs stay near the current low charge-off rate. Sustained synergy realization with a stable margin would support the premium the price assumes; margin erosion or rising credit costs would pull the stock back toward the valuation range, which sits below the current price.

Peer Cohorts (Per Segment, With Filing Citations)

Old National Bancorp (banking, one reportable segment) (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.

View the full interactive ONB report on boothcheck