Isabella Bank Corporation (ISBA) P/E Ratio History
Historical price-to-earnings valuation from 2004 to 2025
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ISBA Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 7, 2026, Isabella Bank Corporation (ISBA) trades at a price-to-earnings ratio of 15.9x, with a stock price of $40.83 and trailing twelve-month earnings per share of $2.56.
The current P/E is 42% above its 5-year average of 11.2x. Over the past five years, ISBA's P/E has ranged from a low of 7.0x to a high of 19.5x, placing the current valuation at the 95th percentile of its historical range.
Compared to the Financial Services sector median P/E of 13.4x, ISBA trades at a 19% premium to its sector peers. The sector includes 774 companies with P/E ratios ranging from 0.0x to 195.8x.
The PEG ratio of 1.15 (P/E divided by 38% EPS growth) suggests a fair valuation relative to its earnings growth. Peter Lynch popularized the rule that a PEG below 1.0 indicates an attractive entry point.
Relative to the broader market, ISBA trades at a notable discount to the S&P 500 median P/E of 25.2x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our ISBA DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
ISBA P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $901M | 9.6 | 0.64 | +11% | |
| $241M | 8.9 | 1.38 | +38% | |
| $203M | 14.4 | 2.84 | +9% | |
| $417M | 11.8 | 0.28 | +262%Best | |
| $2B | 15.5 | 3.91 | +10% | |
| $696M | 10.3 | 1.96 | +3% | |
| $1B | 12.3 | 0.84 | +22% | |
| $2B | 13.8 | 1.37 | +13% | |
| $24B | 61.3 | 2.51 | -47% | |
| $30B | 8.9Lowest | 0.25Best | +18% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
ISBA Historical P/E Data (2004–2025)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2025 Q4 | Wed Dec 31 2025 00:00:00 GM | $50.00 | $2.56 | 19.5x | +13% |
| FY2025 Q3 | $35.25 | $2.46 | 14.3x | -17% | |
| FY2025 Q2 | Mon Jun 30 2025 00:00:00 GM | $30.15 | $2.19 | 13.8x | -20% |
| FY2025 Q1 | Mon Mar 31 2025 00:00:00 GM | $23.59 | $1.97 | 12.0x | -31% |
| FY2024 Q4 | $25.99 | $1.86 | 14.0x | -19% | |
| FY2024 Q3 | Mon Sep 30 2024 00:00:00 GM | $21.21 | $1.83 | 11.6x | -33% |
| FY2024 Q2 | Sun Jun 30 2024 00:00:00 GM | $18.20 | $1.97 | 9.2x | -47% |
| FY2024 Q1 | Sun Mar 31 2024 00:00:00 GM | $19.40 | $2.12 | 9.2x | -47% |
| FY2023 Q4 | Sun Dec 31 2023 00:00:00 GM | $21.50 | $2.40 | 9.0x | -48% |
| FY2023 Q3 | Sat Sep 30 2023 00:00:00 GM | $21.05 | $2.72 | 7.7x | -55% |
| FY2023 Q2 | Fri Jun 30 2023 00:00:00 GM | $20.50 | $2.91 | 7.0x | -59% |
| FY2023 Q1 | Fri Mar 31 2023 00:00:00 GM | $24.80 | $2.99 | 8.3x | -52% |
Average P/E for displayed period: 17.3x
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Start ComparisonISBA — Frequently Asked Questions
Quick answers to the most common questions about buying ISBA stock.
Is ISBA stock overvalued or undervalued?
ISBA trades at 15.9x P/E, above its 5-year average of 11.2x. The 95th percentile ranking indicates a premium to historical valuation.
How does ISBA's valuation compare to peers?
Isabella Bank Corporation P/E of 15.9x compares to sector median of 13.4x. The premium reflects expected growth above peers.
What is ISBA's PEG ratio?
ISBA PEG ratio is 1.15. Between 1-2 suggests valuation aligns with growth. Historical P/E data spans 2004-2025.