WTBA vs FBIZ vs IROQ vs NBTB

For growth investors, NBT Bancorp Inc.

(NBTB) is the stronger pick with 10. 4% revenue growth year-over-year, versus 0. 3% for West Bancorporation, Inc. (WTBA). First Business Financial Services, Inc. (FBIZ) offers the better valuation at 9. 4x trailing P/E (9. 1x forward), making it the more compelling value choice. Analysts rate First Business Financial Services, Inc. (FBIZ) a "Buy" — based on 10 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, First Business Financial Services, Inc.

(FBIZ) is the cheapest at 9. 4x versus IF Bancorp, Inc. at 19. 4x. On forward P/E, First Business Financial Services, Inc. is actually cheaper at 9. 1x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: First Business Financial Services, Inc. wins at 0. 36x versus NBT Bancorp Inc. 's 1. 53x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, First Business Financial Services, Inc.

(FBIZ) delivered a total return of +130. 9%, compared to +7. 0% for West Bancorporation, Inc. (WTBA). Over 10 years, the gap is even starker: FBIZ returned +161. 7% versus IROQ's +59. 5%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), IF Bancorp, Inc.

(IROQ) is the lower-risk stock at 0. 04β versus West Bancorporation, Inc. 's 0. 93β — meaning WTBA is approximately 2553% more volatile than IROQ relative to the S&P 500. On balance sheet safety, NBT Bancorp Inc. (NBTB) carries a lower debt/equity ratio of 17% versus 89% for IF Bancorp, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), NBT Bancorp Inc.

(NBTB) is pulling ahead at 10. 4% versus 0. 3% for West Bancorporation, Inc. (WTBA). On earnings-per-share growth, the picture is similar: IF Bancorp, Inc. grew EPS 140. 4% year-over-year, compared to 12. 5% for NBT Bancorp Inc.. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

NBT Bancorp Inc.

(NBTB) is the more profitable company, earning 19. 5% net margin versus 8. 9% for IF Bancorp, Inc. — meaning it keeps 19. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: NBTB leads at 25. 3% versus 12. 2% for IROQ. At the gross margin level — before operating expenses — NBTB leads at 72. 1%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, First Business Financial Services, Inc. (FBIZ) is the more undervalued stock at a PEG of 0. 36x versus NBT Bancorp Inc. 's 1. 53x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, First Business Financial Services, Inc. (FBIZ) trades at 9. 1x forward P/E versus 10. 8x for NBT Bancorp Inc. — 1. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for FBIZ: 18. 1% to $67. 00.

All stocks in this comparison pay dividends.

West Bancorporation, Inc. (WTBA) offers the highest yield at 4. 1%, versus 1. 5% for IF Bancorp, Inc. (IROQ).

For long-horizon retirement investors, IF Bancorp, Inc.

(IROQ) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 04), 1. 5% yield). Both have compounded well over 10 years (IROQ: +59. 5%, WTBA: +84. 9%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Financial Services sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: WTBA is a small-cap deep-value stock; FBIZ is a small-cap deep-value stock; IROQ is a small-cap quality compounder stock; NBTB is a small-cap deep-value stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.