TOMI Environmental Solutions, Inc. (TOMZ) P/E Ratio History
Deep ValueTrading at -4.2x · 0th percentile of 5-year range · Significant discount to historical valuation · Data 2009–2020
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P/E Ratio Analysis
As of June 29, 2026, TOMI Environmental Solutions, Inc. (TOMZ) trades at a price-to-earnings ratio of -4.2x, with a stock price of $0.79 and trailing twelve-month earnings per share of $-0.21.
The current P/E is 116% below its 5-year average of 26.6x. Over the past five years, TOMZ's P/E has ranged from a low of 5.3x to a high of 89.9x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Industrials sector median P/E of 26.6x, TOMZ trades at a 116% discount to its sector peers. The sector includes 401 companies with P/E ratios ranging from 0.1x to 198.6x.
Relative to the broader market, TOMZ trades at a notable discount to the S&P 500 median P/E of 25.3x. 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 TOMZ 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.
TOMZ Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
TOMZ P/E vs Peers
Air and Water Treatment Systems peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $3B | 67.1 | 1.56Best | +281%Best | |
| $16B | 41.4 | 1.68 | -2% | |
| $6B | 786.3 | - | -48% | |
| $80B | 39.0Lowest | - | -1% | |
| $55B | 51.6 | 4.32 | +23% | |
| $82M | 4772.2 | - | -100% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
TOMZ Historical P/E Data (2009–2020)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2020 Q4 | - | $4.57 | $0.22 | 20.8x | -22% |
| FY2020 Q3 | Sep 30 2020 | $7.14 | $0.36 | 20.1x | -24% |
| FY2020 Q2 | - | $10.24 | $0.29 | 35.3x | +33% |
| FY2020 Q1 | - | $4.72 | $0.05 | 89.9x | +239% |
| FY2014 Q3 | - | $2.40 | $0.46 | 5.3x | -80% |
| FY2014 Q2 | Jun 30 2014 | $2.40 | $0.28 | 8.7x | -67% |
| FY2009 Q4 | - | $18.80 | $3.21 | 5.9x | -78% |
Average P/E for displayed period: 26.6x
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
17+ years return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
TOMZ — Frequently Asked Questions
Quick answers to the most common questions about buying TOMZ stock.
What is TOMZ's P/E ratio?
TOMI Environmental Solutions, Inc. (TOMZ) trailing twelve-month P/E ratio is -4.2x, based on TTM diluted EPS of $-0.21. The 5-year average P/E is 26.6x and the historical range spans 5.3x to 89.9x.
Is TOMZ stock overvalued or undervalued?
TOMZ trades at -4.2x P/E, below its 5-year average of 26.6x. At the 0th percentile of its historical range (5.3x–89.9x), the stock is priced at a discount to its own history.
Is TOMZ stock expensive?
No, TOMZ is not expensive on a historical basis. The current P/E of -4.2x is below the 5-year average of 26.6x and sits at the 0th percentile of its valuation range.
What is TOMZ's historical P/E range?
Over the past 5 years, TOMZ's P/E ratio has ranged from 5.3x to 89.9x, with a median of 20.1x and an average of 26.6x. The current P/E of -4.2x places the stock at the 0th percentile of this range. Full historical data spans 2009–2020.
How does TOMZ's P/E compare to the S&P 500?
TOMZ trades at -4.2x P/E versus the S&P 500 median of 25.3x. The 117% discount to the market suggests lower growth expectations or perceived higher risk.
How does TOMZ's valuation compare to Industrials peers?
TOMI Environmental Solutions, Inc. P/E of -4.2x compares to the Industrials sector median of 26.6x. The discount suggests lower growth expectations, weaker margins, or higher perceived risk relative to peers. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is TOMZ's PEG ratio?
TOMZ PEG ratio is N/A, based on a P/E of -4.2x and EPS growth of 13.6%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is TOMZ's earnings yield?
TOMZ earnings yield is N/A, the inverse of its -4.2x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.