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SISBOM:540673 -0.39%87 Cyclically Adjusted PS Ratio is 0.52 as of Aug. 03, 2026, which is 21% above its 10-year median of 0.43. GuruFocus rates BOM:540673 with a GF Score™ of 87/100 and a GF Value™ of ₹515.19 (Modestly Undervalued). The stock has 6 warning signs investors should review. Among 718 Business Services companies, SIS ranks better than 62.95% on this metric.
As of today (2026-08-03), SIS's current share price is ₹423.50. SIS's Cyclically Adjusted Revenue per Share for the quarter that ended in Mar. 2026 was ₹807.73. SIS's Cyclically Adjusted PS Ratio for today is 0.52.
The historical rank and industry rank for SIS's Cyclically Adjusted PS Ratio or its related term are showing as below:
BOM:540673'
s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 0.35 Med: 0.43 Max: 0.54
Current: 0.54
During the past years, SIS's highest Cyclically Adjusted PS Ratio was 0.54. The lowest was 0.35. And the median was 0.43.
BOM:540673's Cyclically Adjusted PS Ratio is ranked better than 62.95% of 718
companies
in the Business Services industry
Industry Median: 0.91
vs BOM:540673: 0.54
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 PS Ratio. The Cyclically Adjusted Revenue per Share is the average of the inflation adjusted revenue per share of a company over the past 10 years.
SIS's adjusted revenue per share data for the three months ended in Mar. 2026 was ₹315.783. Add all the adjusted revenue per share for the past 10 years together and divide 10 will get our Cyclically Adjusted Revenue per Share, which is ₹807.73 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
SIS (BOM:540673) Cyclically Adjusted PS Ratio Explanation
Compared with the regular PS Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PS Ratio smoothed out the fluctuations of revenue 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 PS Ratio should give similar results to regular PS Ratio.
SIS Cyclically Adjusted PS Ratio Related Terms
SIS Cyclically Adjusted PS Ratio Historical Data
* Premium members only.
The historical data trend for SIS's Cyclically Adjusted PS 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.
BOM:540673 vs ALLE, MSA, ADT: Cyclically Adjusted PS Ratio Comparison
For the Security & Protection Services subindustry, SIS's Cyclically Adjusted PS Ratio, along with its competitors' market caps and Cyclically Adjusted PS 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.
SIS Cyclically Adjusted PS Ratio vs Business Services Industry
For the Business Services industry and Industrials sector, SIS's Cyclically Adjusted PS Ratio distribution charts can be found below:
* The bar in red indicates where SIS's Cyclically Adjusted PS Ratio falls into.
Like the Shiller PE Ratio, the Cyclically Adjusted PS Ratio takes the Revenue per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/S calculation. Because it considers this 10-year average, it's often referred to as the CAPS 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 PS Ratio.
SIS's Cyclically Adjusted PS Ratio for today is calculated as
* 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.
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 PS Ratio of 0.52 mean?
SIS (BOM:540673) has a Cyclically Adjusted PS Ratio of 0.52 as of Aug. 03, 2026. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on SIS and its competitors. This is 21% above median its historical median of 0.43. Over the past decade, SIS's Cyclically Adjusted PS Ratio has ranged from 0.35 to 0.54. According to the industry distribution chart, SIS ranks #266 out of 718 companies in the Business Services industry, placing it in the top 37%.
Is SIS's Cyclically Adjusted PS Ratio too high?
SIS's current Cyclically Adjusted PS Ratio of 0.52 is 21% above median its 10-year median of 0.43. Over the past 10 years, this metric has ranged from a low of 0.35 to a high of 0.54. The Business Services industry median Cyclically Adjusted PS Ratio is 0.91. SIS's value of 0.52 is 42.9% below this industry median. Based on the distribution chart, SIS ranks #266 out of 718 companies in the Business Services industry, which is above the industry midpoint. Overall, SIS has a GF Score™ of 87/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does SIS's Cyclically Adjusted PS Ratio compare to ALLE and MSA?
According to the Business Services industry distribution chart, SIS ranks #266 out of 718 companies for Cyclically Adjusted PS Ratio. This puts SIS in the upper half of its industry. The industry median Cyclically Adjusted PS Ratio is 0.91. SIS's value of 0.52 is 42.9% below this benchmark. Historically, SIS's own Cyclically Adjusted PS Ratio has ranged from 0.35 to 0.54 over the past decade. While the company's 10-year median is 0.43 vs. the industry median of 0.91, SIS has consistently been below 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 PS Ratio for a Business Services company?
The median Cyclically Adjusted PS Ratio among Business Services companies is 0.91, based on 718 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PS Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PS Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. SIS's current Cyclically Adjusted PS Ratio of 0.52 is 42.9% below 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 PS Ratio mean?
A high Cyclically Adjusted PS Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on SIS and its competitors. For the Business Services industry, the median Cyclically Adjusted PS Ratio is 0.91 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SIS's current Cyclically Adjusted PS Ratio is 0.52, which is 21% above median its own 10-year median of 0.43. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SIS stock overvalued right now?
Based on GuruFocus' analysis, SIS (BOM:540673) is currently considered Modestly Undervalued. The stock's GF Value™ is ₹515.19, compared to a current price of ₹423.50 — trading 17.8% below its estimated fair value. The current Cyclically Adjusted PS Ratio is 0.52, which is 21% above median its 10-year median of 0.43 and 42.9% below the Business Services industry median of 0.91. SIS's overall GF Score™ is 87/100 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 PS Ratio calculated?
Cyclically Adjusted PS Ratio is calculated from a company's financial statements. For SIS (BOM:540673), the current Cyclically Adjusted PS Ratio is 0.52 as of Aug. 03, 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 SIS (BOM:540673) Overvalued in 2026?
Based on GuruFocus' analysis, SIS stock appears to be undervalued.
The current stock price of ₹423.50 is trading 17.8% below its estimated GF Value™ of ₹515.19.
GuruFocus considers SIS to be Modestly Undervalued.
Key valuation signals for BOM:540673:
Cyclically Adjusted PS Ratio: 0.52 (21% above median its 10-year median of 0.43)
GF Value™: ₹515.19 vs. price of ₹423.50 (17.8% below fair value)
Industry Position: 42.9% below the Business Services median (#266 of 718)
No single metric tells the full story. See the BOM:540673 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
SIS Ltd is engaged in rendering security and related services consisting of manned guarding, training, and indirectly engaged in paramedic and emergency response services; loss prevention, asset protection and mobile patrols; facility management services consisting of cleaning, house-keeping and pest control management services in the areas of facility management; cash logistics services consisting of cash-in-transit, ATM cash replenishment activities and secure transportation of precious items and bullion; and alarm monitoring and response services consisting of trading and installation of electronic security devices and systems through its subsidiaries, joint ventures and associates. It segments are Security Services (India), Security Services (International) and Facility Management.
87GF Score
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