BY

AI MemoPost-earnings T+1

Byline Bancorp

As of 2026-10-23/Post-earnings T+1/Confidence medium

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Data freshness

AI Memo

As of 2026-10-23 • Model: RankAlpha Sentiment Codex

Decision Panel

Action, confidence, horizon, and decision blockers at a glance.

Action

—

Confidence

medium

Horizon

—

Key catalyst

Illinois State Bancorp merger approvals and closing • 2027-03-31

Base target: $40 / p=50% prob

Biggest risk

Loan balances fell quarter over quarter, charge-offs rose, the efficiency ratio worsened to 48.40% from 46.93%, and merger benefits depend on approvals and execution. The earnings release does not establish that the Q3 margin or credit outcome will persist. [#SEC-8K-2026-10-22]

Invalidation

Break below $32 or thesis failure.

What would change my mind?

The $0.94 Q3 EPS exceeded the $0.82 pre-release consensus estimate, alongside higher net interest income, deposit growth and margin expansion. Completion of the Illinois State transaction could add the EPS accretion projected by management. [#SEC-8K-2026-10-22] [#SEC-8K-2026-10-06]

Research note

Recommendation

—

Confidence

medium

As of

2026-10-23

Base target

$40

p=50%

Bull target

$46

p=30%

Bear target

$32

p=20%

Key bullets

Fast scan of bull, bear, and watch items

BullKey bullets

Q3 earnings beat and initial digestion
Deposit-funded earnings versus credit costs
The $0.94 Q3 EPS exceeded the $0.82 pre-release consensus estimate, alongside higher net interest income, deposit growth and margin expansion.

BearKey bullets

Post-earnings analyst revisions and a full earnings-call transcript were not available for this early T+1 assessment.
Q3 net charge-offs increased to $5.8 million from $4.4 million in Q2, and the allowance ratio rose to 1.51% from 1.48%.
[#SEC-8K-2026-10-22]

WatchKey bullets

Illinois State Bancorp merger approvals and closing

Summary

High-level snapshot

Recommendation

Model confidence

medium

Timeframe

Asset

Equity

Trigger

Post-earnings T+1

Base case: $40 (p=50%)

Target spread vs base: +15% / -20%

Scenario probabilities

Bull Target: $46 (p=30%)Base Target: $40 (p=50%)Bear Target: $32 (p=20%)

Commentary

The earnings headline is constructive, but BY traded near the $37.99 prior close at approximately $37.95 as of 14:15 UTC on October 23, so the early market reaction was muted rather than confirming a rerating. No reliable post-print analyst target or estimate revisions were found. The Q3 company release supports the reported drivers; call digestion and a full-session price reaction remain open checks. [#SEC-8K-2026-10-22]

As of 2026-10-23 • Updated bi-weekly / post-earningsSource: Internal modelMethodology

Analyst Summary

Thesis highlights from the latest analysis

Bull Case

Bear Case

Drivers

Scannable catalysts and supporting factors

Q3 earnings beat and initial digestion
Deposit-funded earnings versus credit costs

Scenarios

Bull Target (Scenario probability)

$46 / p=30% prob

Base Target (Scenario probability)

$40 / p=50% prob

Bear Target (Scenario probability)

$32 / p=20% prob

Analysis 2026-10-23 · RankAlpha Sentiment Codex

Analysis reference price unavailable. Targets are shown without scenario returns.

Sentiment & Exposure

News Sentiment (30d)

0.35

Social Sentiment (7d)

0.00

Events

Other notable items detected

EVENT2027-03-31
Illinois State Bancorp merger approvals and closing
The proposed approximately $87.9 million cash-and-stock acquisition is expected to close in Q1 2027, subject to shareholder and regulatory approvals. Byline's transaction presentation projects mid-single-digit EPS accretion and 1.2% tangible-book-value dilution, with earnback in less than 1.5 years; these remain projections, not realized benefits. [#SEC-8K-2026-10-06] https://www.sec.gov/Archives/edgar/data/1702750/000119312526415585/by-ex99_2.htm
Prob 70.00% • Move 4.00% • Priced-in 45.00%

Short-term Catalysts

Next few weeks

Q3 earnings beat and initial digestion
2026-10-23
Byline reported Q3 EPS of $0.94 and revenue of $121.0 million, versus pre-release consensus estimates of $0.82 and $116.95 million. Net interest income reached $103.7 million, deposits rose $168.3 million, and net interest margin expanded five basis points to 4.33%. The October 23 earnings call may clarify whether those gains are sustainable. [#SEC-8K-2026-10-22]
Prob 65% • Move 3% • Priced-in 55%

Long-term Catalysts

Months to a year

Deposit-funded earnings versus credit costs
2027-03-31
Q3 deposits increased while wholesale funding fell $268.7 million, but loans declined from Q2 and net charge-offs rose to $5.8 million from $4.4 million. Sustained funding improvement without further credit deterioration would support earnings; reversal would weaken the post-print case. [#SEC-8K-2026-10-22]
Prob 55% • Move 5% • Priced-in 35%

Risks

Post-earnings analyst revisions and a full earnings-call transcript were not available for this early T+1 assessment.
Q3 net charge-offs increased to $5.8 million from $4.4 million in Q2, and the allowance ratio rose to 1.51% from 1.48%. [#SEC-8K-2026-10-22]
The Illinois State acquisition remains subject to shareholder and regulatory approvals; projected accretion and tangible-book earnback may not be realized. [#SEC-8K-2026-10-06]
Total loans and leases declined to $7.49 billion from $7.56 billion in Q2, limiting evidence of near-term loan growth. [#SEC-8K-2026-10-22]

Peers

Symbol	Summary
FSUN	Similar-sized bank candidate, though business mix may differ; use cautiously rather than treating market capitalization alone as proof of comparability.
NBHC	Similar-sized bank candidate for comparing deposit funding, credit costs and tangible-book valuation; no current peer operating metrics were verified.
QCRH	Similar-sized bank candidate for comparing profitability and credit performance; no current peer operating metrics were verified.

Sources

Internal and external references used in this analysis

Model source: RankAlpha Sentiment Codex
Analysis date: 2026-10-23

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Symbol

Summary

FSUN

Similar-sized bank candidate, though business mix may differ; use cautiously rather than treating market capitalization alone as proof of comparability.

NBHC

Similar-sized bank candidate for comparing deposit funding, credit costs and tangible-book valuation; no current peer operating metrics were verified.

QCRH

Similar-sized bank candidate for comparing profitability and credit performance; no current peer operating metrics were verified.