Targa Resources (STU:TAR) Cyclically Adjusted PB Ratio: 12.46 (As of Aug. 04, 2026) — 254% Above Median

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STU:TAR Targa Resources Corp STU:TAR
65 GF Score
Price €230.70
GF Value €150.45
Valuation Significantly Overvalued
! 8 Warning Signs
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What is Targa Resources Cyclically Adjusted PB Ratio?

Targa Resources STU:TAR -1.49% 65 Cyclically Adjusted PB Ratio is 12.46 as of Aug. 04, 2026, which is 254% above its 10-year median of 3.52. GuruFocus rates STU:TAR with a GF Score™ of 65/100 and a GF Value™ of €150.45 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 765 Oil & Gas companies, Targa Resources ranks worse than 97.65% on this metric.

As of today (2026-08-04), Targa Resources's current share price is €230.70. Targa Resources's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was €18.51. Targa Resources's Cyclically Adjusted PB Ratio for today is 12.46.

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

STU:TAR' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.38   Med: 3.52   Max: 13.17
Current: 12.32

During the past years, Targa Resources's highest Cyclically Adjusted PB Ratio was 13.17. The lowest was 0.38. And the median was 3.52.

STU:TAR's Cyclically Adjusted PB Ratio is ranked worse than
97.65% of 765 companies
in the Oil & Gas industry
Industry Median: 1.21 vs STU:TAR: 12.32

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.

Targa Resources's adjusted book value per share data for the three months ended in Mar. 2026 was €12.635. 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 €18.51 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Targa Resources  (STU:TAR) 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.


Targa Resources Cyclically Adjusted PB Ratio Related Terms


Targa Resources Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Targa Resources'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.

Targa Resources Cyclically Adjusted PB Ratio Chart

Targa Resources 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 2.74 3.53 3.90 7.56 8.45

Targa Resources Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 8.61 7.61 7.47 8.45 11.68

STU:TAR vs MPLX, OKE, LNG: Cyclically Adjusted PB Ratio Comparison

For the Oil & Gas Midstream subindustry, Targa Resources'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.


Targa Resources Cyclically Adjusted PB Ratio vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Targa Resources's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


STU:TAR
65GF Score
Targa Resources Corp STU:TAR
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Targa Resources 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.

Targa Resources's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=230.70/18.51
=12.46

* 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.

Targa Resources's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

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

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=12.635/330.2130*330.2130
=12.635

Current CPI (Mar. 2026) = 330.2130.

Targa Resources Quarterly Data

Book Value per Share CPI Adj_Book
201606 28.311 241.018 38.788
201609 27.301 241.428 37.341
201612 26.936 241.432 36.841
201703 27.055 243.801 36.644
201706 26.674 244.955 35.958
201709 23.329 246.819 31.211
201712 23.926 246.524 32.048
201803 22.572 249.554 29.868
201806 23.604 251.989 30.931
201809 22.731 252.439 29.734
201812 23.054 251.233 30.301
201903 21.913 254.202 28.465
201906 21.099 256.143 27.200
201909 20.745 256.759 26.680
201912 19.020 256.974 24.441
202003 11.749 258.115 15.031
202006 11.111 257.797 14.232
202009 10.307 260.280 13.076
202012 9.565 260.474 12.126
202103 8.437 264.877 10.518
202106 7.936 271.696 9.645
202109 8.112 274.310 9.765
202112 7.801 278.802 9.240
202203 6.753 287.504 7.756
202206 8.624 296.311 9.611
202209 10.644 296.808 11.842
202212 11.133 296.797 12.386
202303 10.535 301.836 11.525
202306 11.021 305.109 11.928
202309 10.526 307.789 11.293
202312 11.286 306.746 12.149
202403 11.198 312.332 11.839
202406 10.459 314.175 10.993
202409 10.622 315.301 11.124
202412 11.369 315.605 11.895
202503 10.427 319.799 10.767
202506 10.412 322.561 10.659
202509 10.734 324.800 10.913
202512 12.205 324.054 12.437
202603 12.635 330.213 12.635

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 12.46 mean?
Targa Resources (STU:TAR) has a Cyclically Adjusted PB Ratio of 12.46 as of Aug. 04, 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 Targa Resources and its competitors. This is 254% above median its historical median of 3.52. Over the past decade, Targa Resources' Cyclically Adjusted PB Ratio has ranged from 0.38 to 13.17. According to the industry distribution chart, Targa Resources ranks #747 out of 765 companies in the Oil & Gas industry, placing it in the top 97.6%.
Is Targa Resources' Cyclically Adjusted PB Ratio too high?
Targa Resources' current Cyclically Adjusted PB Ratio of 12.46 is 254% above median its 10-year median of 3.52. Over the past 10 years, this metric has ranged from a low of 0.38 to a high of 13.17. The Oil & Gas industry median Cyclically Adjusted PB Ratio is 1.21. Targa Resources' value of 12.46 is 929.8% above this industry median. Based on the distribution chart, Targa Resources ranks #747 out of 765 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Targa Resources has a GF Score™ of 65/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Targa Resources' Cyclically Adjusted PB Ratio compare to MPLX and OKE?
According to the Oil & Gas industry distribution chart, Targa Resources ranks #747 out of 765 companies for Cyclically Adjusted PB Ratio. This places Targa Resources in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.21. Targa Resources' value of 12.46 is 929.8% above this benchmark. Historically, Targa Resources' own Cyclically Adjusted PB Ratio has ranged from 0.38 to 13.17 over the past decade. While the company's 10-year median is 3.52 vs. the industry median of 1.21, Targa Resources 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 Oil & Gas company?
The median Cyclically Adjusted PB Ratio among Oil & Gas companies is 1.21, based on 765 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. Targa Resources's current Cyclically Adjusted PB Ratio of 12.46 is 929.8% 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 Targa Resources and its competitors. For the Oil & Gas industry, the median Cyclically Adjusted PB Ratio is 1.21 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Targa Resources's current Cyclically Adjusted PB Ratio is 12.46, which is 254% above median its own 10-year median of 3.52. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Targa Resources stock overvalued right now?
Based on GuruFocus' analysis, Targa Resources (STU:TAR) is currently considered Significantly Overvalued. The stock's GF Value™ is €150.45, compared to a current price of €230.70 — trading 53.3% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 12.46, which is 254% above median its 10-year median of 3.52 and 929.8% above the Oil & Gas industry median of 1.21. Targa Resources' overall GF Score™ is 65/100 with 8 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 Targa Resources (STU:TAR), the current Cyclically Adjusted PB Ratio is 12.46 as of Aug. 04, 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 Targa Resources (STU:TAR) Overvalued in 2026?

Based on GuruFocus' analysis, Targa Resources stock appears to be overvalued. The current stock price of €230.70 is trading 53.3% above its estimated GF Value™ of €150.45. GuruFocus considers Targa Resources to be Significantly Overvalued.

Key valuation signals for STU:TAR:

  • Cyclically Adjusted PB Ratio: 12.46 (254% above median its 10-year median of 3.52)
  • GF Value™: €150.45 vs. price of €230.70 (53.3% above fair value)
  • GF Score™: 65/100 with 8 warning signs
  • Industry Position: 929.8% above the Oil & Gas median (#747 of 765)

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


Targa Resources Business Description

Industry EnergyOil & Gas
Other Exchanges TRGP:USA1TRGP:Italy0LD9:UK
Address 811 Louisiana Street, Suite 2100, Houston, TX, USA, 77002
Targa Resources Corp is a midstream firm that mainly operates gathering and processing assets with substantial positions in the Permian, Stack, Scoop, and Bakken plays. It has fractionation capacity at Mont Belvieu and operates a liquefied petroleum gas export terminal. The Grand Prix natural gas liquids pipeline is another important asset. It has two operating segments: Gathering and Processing, and, Logistics and Transportation (also referred to as the Downstream Business).
65GF Score

Get the complete analysis for STU:TAR

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

€230.70
Price
€150.45
GF Value