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BY reported Q3 2026 results. The stock moved +1.1% on the print.
BYearnings

Byline Bancorp, Inc. (BY) Q3 FY2026 earnings

October 23, 2026 · SharpeIQ Research Desk

Reported results

  • Net income of $41.8 million (GAAP) for Q3 2026, compared to $40.2 million for Q2 2026 and $37.2 million for Q3 2025
  • Diluted earnings per share of $0.94 (GAAP) for Q3 2026, up from $0.90 in Q2 2026 and $0.82 in Q3 2025
  • Record net interest income of $103.7 million (GAAP) for Q3 2026, up 2.8% from $100.8 million in Q2 2026
  • Net interest margin of 4.33% for Q3 2026, up 5 basis points from 4.28% in Q2 2026
  • Return on average tangible common equity (ROTCE) (non-GAAP) of 14.78% for Q3 2026, compared to 14.47% in Q2 2026
  • Efficiency ratio (non-GAAP) of 48.40% for Q3 2026, compared to 46.93% in Q2 2026

Notes

The release includes multiple non-GAAP financial measures (ROTCE, efficiency ratio, pre-tax pre-provision net income, tangible book value per share, and others) with reconciliations to GAAP measures provided in the document. No significant accounting changes are noted.

Price and volatility reaction

The stock moved +1.1% on the print. No front-expiry chain was on file, so there is no straddle expected move. 30-day ATM implied volatility moved -65.7 vol points across the event (constant-maturity series — not the front-week crush).

MeasureValueBasis
Close before release37.992026-10-22
Close after release38.42026-10-23
Realised move+1.1%close to close
30d ATM IV change-65.7 vol ptsconstant-maturity series, not the front expiry
Price and volatility reaction. Closes either side of the release. No front-expiry chain on file for a straddle expected move. SharpeIQ — listed option chain and price_history

Source

The figures above come from the earnings release the company filed with the SEC on 2026-10-22 (8-K, Item 2.02). Read the original filing on sec.gov.

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