NiSource (BSP:N1IS34) Cyclically Adjusted PB Ratio: 2.40 (As of Aug. 24, 2026) — 55% Above Median

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BSP:N1IS34 NiSource Inc BSP:N1IS34
64 GF Score
Price R$208.79
GF Value R$221.59
Valuation Fairly Valued
! 6 Warning Signs
View Full Analysis

What is NiSource Cyclically Adjusted PB Ratio?

NiSource BSP:N1IS34 -3.56% 64 Cyclically Adjusted PB Ratio is 2.40 as of Aug. 24, 2026, which is 55% above its 10-year median of 1.55. GuruFocus rates BSP:N1IS34 with a GF Score™ of 64/100 and a GF Value™ of R$221.59 (Fairly Valued). The stock has 6 warning signs investors should review. Among 426 Utilities - Regulated companies, NiSource ranks worse than 73.47% on this metric.

As of today (2026-08-24), NiSource's current share price is R$208.79. NiSource's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was R$87.11. NiSource's Cyclically Adjusted PB Ratio for today is 2.40.

The historical rank and industry rank for NiSource's Cyclically Adjusted PB Ratio or its related term are showing as below:

BSP:N1IS34' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.14   Med: 1.55   Max: 2.86
Current: 2.33

During the past years, NiSource's highest Cyclically Adjusted PB Ratio was 2.86. The lowest was 1.14. And the median was 1.55.

BSP:N1IS34's Cyclically Adjusted PB Ratio is ranked worse than
73.47% of 426 companies
in the Utilities - Regulated industry
Industry Median: 1.55 vs BSP:N1IS34: 2.33

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

NiSource's adjusted book value per share data for the three months ended in Jun. 2026 was R$102.318. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is R$87.11 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


NiSource  (BSP:N1IS34) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


NiSource Cyclically Adjusted PB Ratio Related Terms


NiSource Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for NiSource's Cyclically Adjusted PB Ratio 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.

NiSource Cyclically Adjusted PB Ratio Chart

NiSource Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.63 1.60 1.57 2.22 2.49

NiSource Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Cyclically Adjusted PB Ratio 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 2.44 2.59 2.49 2.72 2.73

BSP:N1IS34 vs ATO, UGI, SWX: Cyclically Adjusted PB Ratio Comparison

For the Utilities - Regulated Gas subindustry, NiSource's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio 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.


NiSource Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, NiSource's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where NiSource's Cyclically Adjusted PB Ratio falls into.


BSP:N1IS34
64GF Score
NiSource Inc BSP:N1IS34
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

NiSource Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

NiSource's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=208.79/87.11
=2.40

* 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.

NiSource's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, NiSource's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=102.318/333.9520*333.9520
=102.318

Current CPI (Jun. 2026) = 333.9520.

NiSource Quarterly Data

Book Value per Share CPI Adj_Book
201609 38.442 241.428 53.174
201612 42.254 241.432 58.446
201703 40.397 243.801 55.335
201706 41.707 244.955 56.860
201709 40.592 246.819 54.922
201712 42.238 246.524 57.217
201803 43.768 249.554 58.570
201806 52.667 251.989 69.798
201809 52.945 252.439 70.041
201812 50.799 251.233 67.525
201903 50.450 254.202 66.278
201906 52.644 256.143 68.636
201909 54.808 256.759 71.286
201912 54.851 256.974 71.282
202003 62.070 258.115 80.307
202006 64.792 257.797 83.932
202009 64.060 260.280 82.192
202012 63.983 260.474 82.032
202103 72.594 264.877 91.525
202106 61.577 271.696 75.687
202109 64.202 274.310 78.161
202112 75.353 278.802 90.259
202203 69.364 287.504 80.570
202206 70.616 296.311 79.586
202209 72.929 296.808 82.056
202212 76.731 296.797 86.337
202303 77.283 301.836 85.506
202306 71.402 305.109 78.152
202309 72.614 307.789 78.786
202312 85.246 306.746 92.807
202403 87.729 312.332 93.802
202406 94.521 314.175 100.471
202409 99.019 315.301 104.876
202412 113.730 315.605 120.341
202503 108.854 319.799 113.671
202506 104.635 322.561 108.330
202509 102.488 324.800 105.376
202512 107.762 324.054 111.054
202603 105.365 330.213 106.558
202606 102.318 333.952 102.318

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 2.40 mean?
NiSource (BSP:N1IS34) has a Cyclically Adjusted PB Ratio of 2.40 as of Aug. 24, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on NiSource and its competitors. This is 55% above median its historical median of 1.55. Over the past decade, NiSource's Cyclically Adjusted PB Ratio has ranged from 1.14 to 2.86. According to the industry distribution chart, NiSource ranks #313 out of 426 companies in the Utilities - Regulated industry, placing it in the top 73.5%.
Is NiSource's Cyclically Adjusted PB Ratio too high?
NiSource's current Cyclically Adjusted PB Ratio of 2.40 is 55% above median its 10-year median of 1.55. Over the past 10 years, this metric has ranged from a low of 1.14 to a high of 2.86. The Utilities - Regulated industry median Cyclically Adjusted PB Ratio is 1.55. NiSource's value of 2.40 is 54.8% above this industry median. Based on the distribution chart, NiSource ranks #313 out of 426 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, NiSource has a GF Score™ of 64/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does NiSource's Cyclically Adjusted PB Ratio compare to ATO and UGI?
According to the Utilities - Regulated industry distribution chart, NiSource ranks #313 out of 426 companies for Cyclically Adjusted PB Ratio. This places NiSource in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.55. NiSource's value of 2.40 is 54.8% above this benchmark. Historically, NiSource's own Cyclically Adjusted PB Ratio has ranged from 1.14 to 2.86 over the past decade. While the company's 10-year median is 1.55 vs. the industry median of 1.55, NiSource 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 Cyclically Adjusted PB Ratio for an Utilities - Regulated company?
The median Cyclically Adjusted PB Ratio among Utilities - Regulated companies is 1.55, based on 426 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. NiSource's current Cyclically Adjusted PB Ratio of 2.40 is 54.8% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on NiSource and its competitors. For the Utilities - Regulated industry, the median Cyclically Adjusted PB Ratio is 1.55 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. NiSource's current Cyclically Adjusted PB Ratio is 2.40, which is 55% above median its own 10-year median of 1.55. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is NiSource stock overvalued right now?
Based on GuruFocus' analysis, NiSource (BSP:N1IS34) is currently considered Fairly Valued. The stock's GF Value™ is R$221.59, compared to a current price of R$208.79 — trading 5.8% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.40, which is 55% above median its 10-year median of 1.55 and 54.8% above the Utilities - Regulated industry median of 1.55. NiSource's overall GF Score™ is 64/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For NiSource (BSP:N1IS34), the current Cyclically Adjusted PB Ratio is 2.40 as of Aug. 24, 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 NiSource (BSP:N1IS34) Overvalued in 2026?

Based on GuruFocus' analysis, NiSource stock appears to be undervalued. The current stock price of R$208.79 is trading 5.8% below its estimated GF Value™ of R$221.59. GuruFocus considers NiSource to be Fairly Valued.

Key valuation signals for BSP:N1IS34:

  • Cyclically Adjusted PB Ratio: 2.40 (55% above median its 10-year median of 1.55)
  • GF Value™: R$221.59 vs. price of R$208.79 (5.8% below fair value)
  • GF Score™: 64/100 with 6 warning signs
  • Industry Position: 54.8% above the Utilities - Regulated median (#313 of 426)

No single metric tells the full story. See the BSP:N1IS34 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


NiSource Business Description

Address 801 East 86th Avenue, Merrillville, IN, USA, 46410
NiSource is one of the nation's largest natural gas distribution companies with 2.4 million customers in Kentucky, Maryland, Ohio, Pennsylvania, and Virginia. NiSource also serves 1.4 million gas and electric customers in Indiana. The regulated electric utility owns 4 gigawatts of generation capacity, including coal, natural gas, and renewable energy.
64GF Score

Get the complete analysis for BSP:N1IS34

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

R$208.79
Price
R$221.59
GF Value