Castellum, Inc. (CTM) P/E Ratio History
Historical price-to-earnings valuation from 2025 to 2025
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CTM Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 8, 2026, Castellum, Inc. (CTM) trades at a price-to-earnings ratio of 24.9x, with a stock price of $0.66 and trailing twelve-month earnings per share of $0.03.
The current P/E is 37% below its 5-year average of 39.4x. Over the past five years, CTM's P/E has ranged from a low of 39.4x to a high of 39.4x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Technology sector median P/E of 27.7x, CTM is roughly in line with its sector peers. The sector includes 359 companies with P/E ratios ranging from 0.0x to 184.2x.
Relative to the broader market, CTM trades roughly in line with the S&P 500 median P/E of 25.1x. 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 CTM 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.
CTM P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $11B | 22.0 | 1.81 | +20% | |
| $1B | 14.9 | 0.28Best | +53% | |
| $4B | 12.2 | 0.73 | +7% | |
| $13B | 10.6Lowest | 0.65 | +58%Best | |
| $17B | 11.8 | 0.57 | +21% | |
| $15B | 2107.2 | - | -95% | |
| $11B | 438.5 | - | +18% | |
| $118B | 23.8 | - | -4% | |
| $238B | 35.6 | - | +40% | |
| $78B | 19.0 | 2.15 | +3% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
CTM Historical P/E Data (2025–2025)
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 | $0.90 | $0.02 | 39.4x | +0% |
Average P/E for displayed period: 39.4x
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Start ComparisonCTM — Frequently Asked Questions
Quick answers to the most common questions about buying CTM stock.
Is CTM stock overvalued or undervalued?
CTM trades at 24.9x P/E, below its 5-year average of 39.4x. At the N/A percentile of historical range, the stock is priced at a discount to its own history.
How does CTM's valuation compare to peers?
Castellum, Inc. P/E of 24.9x compares to sector median of 27.7x. The discount suggests lower growth expectations or higher risk.
What is CTM's PEG ratio?
CTM PEG ratio is N/A. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 2025-2025.