Energy Focus (EFOI) Price to Book (2010 - 2026)
Energy Focus' Price to Book came in at 6.29 for Q2 2026, up 31.8% from 4.77 a year earlier and up 106.3% from the prior quarter.
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Analysis
Energy Focus (EFOI) Price to Book (2010 - 2026) Analysis & Trends
For FY2025, Energy Focus' Price to Book was 3.55, up 65.1% from FY2024.
- Going back by year, Price to Book was 2.15 in FY2024 (+33.9%), 1.60 in FY2023 and 3.14 in FY2021 (-6.1%).
- The Q2 2026 figure represents the highest quarterly Price to Book since Q3 2020.
- Year-over-year, Price to Book increased in seven of the last eight quarters, with growth averaging 58.2%.
- The fastest year-over-year change in Price to Book over five years came in Q3 2025 (growth of 160.3%), and the weakest in Q3 2021 (a decline of 68.2%).
- Business Quant data shows EFOI's Price to Book at 3.05 (Q1 2026), 3.55 (Q4 2025) and 5.08 (Q3 2025) in the three quarters before Q2 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Caterpillar | 315.73 Bn | 287.43 Bn | 7.76 Bn |
| 2 | Amphenol | 182.70 Bn | 177.41 Bn | 3.55 Bn |
| 3 | Deere | 174.18 Bn | 182.94 Bn | 4.66 Bn |
| 4 | Eaton | 142.17 Bn | 139.40 Bn | 2.86 Bn |
| 5 | Parker-Hannifin | 110.97 Bn | 109.10 Bn | 2.25 Bn |
| 6 | Emerson Electric | 90.14 Bn | 82.89 Bn | 2.66 Bn |
| 7 | 3M | 89.64 Bn | 72.05 Bn | 2.78 Bn |
| 8 | Illinois Tool Works | 78.53 Bn | 75.09 Bn | 1.90 Bn |
| 9 | Vertiv Holdings | 74.79 Bn | 65.41 Bn | 1.23 Bn |
| 10 | Energy Focus | 18.34 Mn | 14.16 Mn | -255,000.00 |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 6.29 |
| Mar 31, 2026 | 3.05 |
| Dec 31, 2025 | 3.55 |
| Sep 30, 2025 | 5.08 |
| Jun 30, 2025 | 4.77 |
| Mar 31, 2025 | 3.47 |
| Dec 31, 2024 | 2.15 |
| Sep 30, 2024 | 1.95 |
| Jun 30, 2024 | 2.08 |
| Mar 31, 2024 | 2.33 |
| Dec 31, 2023 | 1.60 |
| Sep 30, 2023 | 1.81 |
| Jun 30, 2023 | 1.62 |
| Mar 31, 2023 | 3.65 |
| Sep 30, 2022 | 3.19 |
| Jun 30, 2022 | 2.43 |
| Mar 31, 2022 | 2.56 |
| Dec 31, 2021 | 3.14 |
| Sep 30, 2021 | 3.50 |
| Jun 30, 2021 | 2.99 |
API Access
Energy Focus Price to Book API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=price-to-book&ticker=EFOI&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "price-to-book", "ticker": "EFOI", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=price-to-book&ticker=EFOI&period=max&api_key=YOUR_API_KEY");
const data = await res.json();