Spark New ZealandASX:SPK +1.32%67 PEG Ratio is 40.29 as of Jun. 28, 2026, which is 273% above its 10-year median of 10.80. GuruFocus rates ASX:SPK with a GF Score™ of 67/100 and a GF Value™ of A$2.83 (Significantly Undervalued). The stock has 8 warning signs investors should review. Among 163 Telecommunication Services companies, Spark New Zealand ranks worse than 98.77% on this metric.
* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
The historical rank and industry rank for Spark New Zealand's PEG Ratio or its related term are showing as below:
ASX:SPK'
s PEG Ratio Range Over the Past 10 Years
Min: 0.9 Med: 10.8 Max: 71.33
Current: 44.6
During the past 13 years, Spark New Zealand's highest PEG Ratio was 71.33. The lowest was 0.90. And the median was 10.80.
ASX:SPK's PEG Ratio is ranked worse than 98.77% of 163
companies
in the Telecommunication Services industry
Industry Median: 2.18
vs ASX:SPK: 44.60
Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.
Spark New Zealand (ASX:SPK) PEG Ratio Explanation
To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.
Spark New Zealand PEG Ratio Related Terms
Spark New Zealand PEG Ratio Historical Data
* Premium members only.
The historical data trend for Spark New Zealand's PEG 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.
For the Telecom Services subindustry, Spark New Zealand's PEG Ratio, along with its competitors' market caps and PEG 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.
Spark New Zealand PEG Ratio vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, Spark New Zealand's PEG Ratio distribution charts can be found below:
* The bar in red indicates where Spark New Zealand's PEG Ratio falls into.
* 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.
* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
Spark New Zealand (ASX:SPK) has a PEG Ratio of 40.29 as of Jun. 28, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Spark New Zealand and its competitors. This is 273% above median its historical median of 10.80. Over the past decade, Spark New Zealand's PEG Ratio has ranged from 0.90 to 71.33. According to the industry distribution chart, Spark New Zealand ranks #161 out of 163 companies in the Telecommunication Services industry, placing it in the top 98.8%.
Is Spark New Zealand's PEG Ratio too high?
Spark New Zealand's current PEG Ratio of 40.29 is 273% above median its 10-year median of 10.80. Over the past 10 years, this metric has ranged from a low of 0.90 to a high of 71.33. The Telecommunication Services industry median PEG Ratio is 2.18. Spark New Zealand's value of 40.29 is 1748.2% above this industry median. Based on the distribution chart, Spark New Zealand ranks #161 out of 163 companies in the Telecommunication Services industry, which is in the bottom quartile relative to peers. Overall, Spark New Zealand has a GF Score™ of 67/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Spark New Zealand's PEG Ratio compare to TMUS and VZ?
According to the Telecommunication Services industry distribution chart, Spark New Zealand ranks #161 out of 163 companies for PEG Ratio. This places Spark New Zealand in the lower half of its industry. The industry median PEG Ratio is 2.18. Spark New Zealand's value of 40.29 is 1748.2% above this benchmark. Historically, Spark New Zealand's own PEG Ratio has ranged from 0.90 to 71.33 over the past decade. While the company's 10-year median is 10.80 vs. the industry median of 2.18, Spark New Zealand 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 PEG Ratio for a Telecommunication Services company?
The median PEG Ratio among Telecommunication Services companies is 2.18, based on 163 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Spark New Zealand's current PEG Ratio of 40.29 is 1748.2% 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 PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Spark New Zealand and its competitors. For the Telecommunication Services industry, the median PEG Ratio is 2.18 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Spark New Zealand's current PEG Ratio is 40.29, which is 273% above median its own 10-year median of 10.80. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Spark New Zealand stock overvalued right now?
Based on GuruFocus' analysis, Spark New Zealand (ASX:SPK) is currently considered Significantly Undervalued. The stock's GF Value™ is A$2.83, compared to a current price of A$1.54 — trading 45.8% below its estimated fair value. The current PEG Ratio is 40.29, which is 273% above median its 10-year median of 10.80 and 1748.2% above the Telecommunication Services industry median of 2.18. Spark New Zealand's overall GF Score™ is 67/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For Spark New Zealand (ASX:SPK), the current PEG Ratio is 40.29 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 Spark New Zealand (ASX:SPK) Overvalued in 2026?
Based on GuruFocus' analysis, Spark New Zealand stock appears to be undervalued.
The current stock price of A$1.54 is trading 45.8% below its estimated GF Value™ of A$2.83.
GuruFocus considers Spark New Zealand to be Significantly Undervalued.
Key valuation signals for ASX:SPK:
PEG Ratio: 40.29 (273% above median its 10-year median of 10.80)
GF Value™: A$2.83 vs. price of A$1.54 (45.8% below fair value)
Industry Position: 1748.2% above the Telecommunication Services median (#161 of 163)
No single metric tells the full story. See the ASX:SPK stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Spark is one of only three integrated telecommunications companies in New Zealand. It is the leading mobile network operator with low- to mid-40% subscriber and revenue share, and the dominant provider of fixed-line broadband services with a mid-30% subscriber share. It has a big position in the New Zealand corporate and wholesale telecommunications services provision space. Spark supplements its core telecommunications operations and related infrastructure with IT products and services across cloud, managed data and networks, procurement, data centers, and Internet of Things. Its operations are all based in New Zealand, except for its 41% interest in Southern Cross Submarine Cables, which has zero book value and to which Spark has no funding obligations.
67GF Score
Get the complete analysis for ASX:SPK
PEG Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ASX:SPK has been successfully added to your 
