OTTR (Otter Tail) Altman Z-Score: 2.17 (As of Jun. 28, 2026) — 26% Above Median


OTTR Otter Tail Corp OTTR
83 GF Score
Price $90.62
GF Value $79.82
Valuation Modestly Overvalued
! 7 Warning Signs
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What is Otter Tail Altman Z-Score?

Otter Tail OTTR +0.58% 83 Altman Z-Score is 2.17 as of Jun. 28, 2026, which is 26% above its 10-year median of 1.72. GuruFocus rates OTTR with a GF Score™ of 83/100 and a GF Value™ of $79.82 (Modestly Overvalued). The stock has 7 warning signs investors should review. Among 544 Conglomerates companies, Otter Tail ranks better than 52.57% on this metric.

The Altman Z-Score is a model designed to predict the likelihood of a company going bankrupt within the next two years. Created by American finance professor Edward Altman in 1968, the model is specifically designed for publicly traded manufacturing companies with assets greater than $1 million.

Warning Sign:

Altman Z-score of 2.17 is in the grey area. This implies that the company is under some kind of financial stress. If it is below 1.8, the company may face bankruptcy risk.

Otter Tail has a Altman Z-Score of 2.17, indicating it is in Grey Zones. This implies that Otter Tail is in some kind of financial stress. If it is below 1.81, the company may face bankrupcy risk.

The zones of discrimination were as such:

When Altman Z-Score <= 1.8, it is in Distress Zones.
When Altman Z-Score >= 3, it is in Safe Zones.
When Altman Z-Score is between 1.8 and 3, it is in Grey Zones.

The historical rank and industry rank for Otter Tail's Altman Z-Score or its related term are showing as below:

OTTR' s Altman Z-Score Range Over the Past 10 Years
Min: 1.2   Med: 1.72   Max: 2.51
Current: 2.17

During the past 13 years, Otter Tail's highest Altman Z-Score was 2.51. The lowest was 1.20. And the median was 1.72.


Otter Tail  (NAS:OTTR) Altman Z-Score Explanation

X1: The Working Capital/Total Assets (WC/TA) ratio is a measure of the net liquid assets of the firm relative to the total capitalization. Working capital is defined as the difference between current assets and current liabilities. Ordinarily, a firm experiencing consistent operating losses will have shrinking current assets in relation to total assets. Altman found this one proved to be the most valuable liquidity ratio comparing with the current ratio and the quick ratio. This is however the least significant of the five factors.

X2: Retained Earnings/Total Assets: the RE/TA ratio measures the leverage of a firm. Retained earnings is the account which reports the total amount of reinvested earnings and/or losses of a firm over its entire life. Those firms with high RE, relative to TA, have financed their assets through retention of profits and have not utilized as much debt.

X3, Earnings Before Interest and Taxes/Total Assets (EBIT/TA): This ratio is a measure of the true productivity of the firm's assets, independent of any tax or leverage factors. Since a firm's ultimate existence is based on the earning power of its assets, this ratio appears to be particularly appropriate for studies dealing with corporate failure. This ratio continually outperforms other profitability measures, including cash flow.

X4, Market Value of Equity/Book Value of Total Liabilities (MVE/TL): The measure shows how much the firm's assets can decline in value (measured by market value of equity plus debt) before the liabilities exceed the assets and the firm becomes insolvent.

X5, Revenue/Total Assets (S/TA): The capital-turnover ratio is a standard financial ratio illustrating the sales generating ability of the firm's assets.

Read more about Altman Z-Score and the original research.


Be Aware

Altman Z-Score does not apply to financial companies.


Otter Tail Altman Z-Score Related Terms


Otter Tail Altman Z-Score Historical Data

* Premium members only.

The historical data trend for Otter Tail's Altman Z-Score can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Otter Tail Altman Z-Score Chart

Otter Tail Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Altman Z-Score
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.92 2.19 2.45 2.17 2.17

Otter Tail Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Altman Z-Score Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 2.27 2.23 2.28 2.17 2.14

OTTR vs SEB, TTI, DLX: Altman Z-Score Comparison

For the Conglomerates subindustry, Otter Tail's Altman Z-Score, along with its competitors' market caps and Altman Z-Score data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Otter Tail Altman Z-Score vs Conglomerates Industry

For the Conglomerates industry and Industrials sector, Otter Tail's Altman Z-Score distribution charts can be found below:

* The bar in red indicates where Otter Tail's Altman Z-Score falls into.


OTTR
83GF Score
Otter Tail Corp OTTR
Altman Z-Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Otter Tail Altman Z-Score Calculation

Altman Z-Score model is an accurate forecaster of failure up to two years prior to distress. It can be considered the assessment of the distress of industrial corporations.

Otter Tail's Altman Z-Score for today is calculated with this formula:

Z=1.2*X1+1.4*X2+3.3*X3+0.6*X4+1.0*X5
=1.2*0.098+1.4*0.3048+3.3*0.0891+0.6*1.6947+1.0*0.3163
=2.17

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency. GuruFocus does not calculate Altman Z-Score when X4 or X5 value is 0.

Trailing Twelve Months (TTM) ended in Mar. 2026:
Total Assets was $4,153 Mil.
Total Current Assets was $799 Mil.
Total Current Liabilities was $392 Mil.
Retained Earnings was $1,266 Mil.
Pre-Tax Income was 77.486 + 61.605 + 91.109 + 91.38 = $322 Mil.
Interest Expense was -12.636 + -12.163 + -11.79 + -11.72 = $-48 Mil.
Revenue was 347.026 + 308.099 + 325.563 + 333.043 = $1,314 Mil.
Market Cap (Today) was $3,805 Mil.
Total Liabilities was $2,245 Mil.

* Note that for stock reported semi-annually or annually, GuruFocus uses latest annual data as the TTM data.

X1=Working Capital/Total Assets
=(Total Current Assets - Total Current Liabilities)/Total Assets
=(798.96 - 391.881)/4152.809
=0.098

X2=Retained Earnings/Total Assets
=1265.926/4152.809
=0.3048

X3=Earnings Before Interest and Taxes/Total Assets
=(Pre-Tax Income - Interest Expense)/Total Assets
=(321.58 - -48.309)/4152.809
=0.0891

X4=Market Value Equity/Book Value of Total Liabilities
=Market Cap/Total Liabilities
=3804.604/2245.017
=1.6947

X5=Revenue/Total Assets
=1313.731/4152.809
=0.3163

The zones of discrimination were as such:

Distress Zones - 1.81 < Grey Zones < 2.99 - Safe Zones

Otter Tail has a Altman Z-Score of 2.17 indicating it is in Grey Zones.

Study by Altman found that companies that are in Distress Zone have more than 80% of chances of bankruptcy in two years.

Frequently Asked Questions Learn more about Altman Z-Score →
What does a Altman Z-Score of 2.17 mean?
Otter Tail (OTTR) has a Altman Z-Score of 2.17 as of Jun. 28, 2026. The Altman Z-score measures a company's bankruptcy risk. View historical data on Otter Tail and its competitors. This is 26% above median its historical median of 1.72. Over the past decade, Otter Tail's Altman Z-Score has ranged from 1.20 to 2.51. According to the industry distribution chart, Otter Tail ranks #258 out of 544 companies in the Conglomerates industry, placing it in the top 47.4%.
Is Otter Tail's Altman Z-Score too high?
Otter Tail's current Altman Z-Score of 2.17 is 26% above median its 10-year median of 1.72. Over the past 10 years, this metric has ranged from a low of 1.20 to a high of 2.51. The Conglomerates industry median Altman Z-Score is 2.06. Otter Tail's value of 2.17 is 5.3% above this industry median. Based on the distribution chart, Otter Tail ranks #258 out of 544 companies in the Conglomerates industry, which is above the industry midpoint. Overall, Otter Tail has a GF Score™ of 83/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Otter Tail's Altman Z-Score compare to SEB and TTI?
According to the Conglomerates industry distribution chart, Otter Tail ranks #258 out of 544 companies for Altman Z-Score. This puts Otter Tail in the upper half of its industry. The industry median Altman Z-Score is 2.06. Otter Tail's value of 2.17 is 5.3% above this benchmark. Historically, Otter Tail's own Altman Z-Score has ranged from 1.20 to 2.51 over the past decade. While the company's 10-year median is 1.72 vs. the industry median of 2.06, Otter Tail has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Altman Z-Score for a Conglomerates company?
The median Altman Z-Score among Conglomerates companies is 2.06, based on 544 companies in the industry. Companies in the top quartile (top 25%) have a Altman Z-Score significantly above this median, while those in the bottom quartile fall well below. However, Altman Z-Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Otter Tail's current Altman Z-Score of 2.17 is 5.3% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Altman Z-Score mean?
A high Altman Z-Score can signal that a stock is expensive relative to its fundamentals. The Altman Z-score measures a company's bankruptcy risk. View historical data on Otter Tail and its competitors. For the Conglomerates industry, the median Altman Z-Score is 2.06 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Otter Tail's current Altman Z-Score is 2.17, which is 26% above median its own 10-year median of 1.72. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Otter Tail stock overvalued right now?
Based on GuruFocus' analysis, Otter Tail (OTTR) is currently considered Modestly Overvalued. The stock's GF Value™ is $79.82, compared to a current price of $90.62 — trading 13.5% above its estimated fair value. The current Altman Z-Score is 2.17, which is 26% above median its 10-year median of 1.72 and 5.3% above the Conglomerates industry median of 2.06. Otter Tail's overall GF Score™ is 83/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Altman Z-Score calculated?
Altman Z-Score is calculated from a company's financial statements. For Otter Tail (OTTR), the current Altman Z-Score is 2.17 as of Jun. 28, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Otter Tail (OTTR) Overvalued in 2026?

Based on GuruFocus' analysis, Otter Tail stock appears to be overvalued. The current stock price of $90.62 is trading 13.5% above its estimated GF Value™ of $79.82. GuruFocus considers Otter Tail to be Modestly Overvalued.

Key valuation signals for OTTR:

  • Altman Z-Score: 2.17 (26% above median its 10-year median of 1.72)
  • GF Value™: $79.82 vs. price of $90.62 (13.5% above fair value)
  • GF Score™: 83/100 with 7 warning signs
  • Industry Position: 5.3% above the Conglomerates median (#258 of 544)

No single metric tells the full story. See the OTTR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Otter Tail Business Description

Address 215 South Cascade Street, P.O. Box 496, Fergus Falls, MN, USA, 56538-0496
Otter Tail Corp is a U.S. energy company that operates in the electric (produces and sells electricity), manufacturing (fabricates metal components), and plastics segments (pipes for water uses). The company conducts its operations and acquires the majority of its revenue in the U.S. in the states of Minnesota, South Dakota, and North Dakota. The majority of the company's revenue is derived from the Electric segment and commercial customers, although it generates revenue from residential and industrial customers, as well.
83GF Score

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Altman Z-Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$90.62
Price
$79.82
GF Value