Prostarm Info Systems (NSE:PROSTARM) GF Value Rank: 0 (As of Jul. 20, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

NSE:PROSTARM Prostarm Info Systems Ltd NSE:PROSTARM
17 GF Score
Price ₹127.32
! 3 Warning Signs
View Full Analysis

What is Prostarm Info Systems GF Value Rank?

Prostarm Info Systems has the GF Value Rank of 0.

GF Value Rank evaluates the exclusive GuruFocus valuation and performance of a stock, rated on a scale from 1 to 10. It is determined by the price-to-GF-Value (P/GF Value) ratio, a proprietary metric calculated based on historical multiples along with an adjustment factor based on a company's past returns and growth and future estimates of the business' performance.

GuruFocus found that for valuation, we cannot simply give stocks a better GF Value rank simply because they have a lower P/GF Value ratio. Backtesting shows that over the long term, the two worst-performing groups are the most expensive group (with the highest P/GF Value ratio) and the least expensive group (with the lowest P/GF Value ratio).

We can understand why the most expensive group underperforms. We were initially puzzled by the underperformance of the least expensive group, but we realized there is a reason why some stocks are super cheap. If they look too undervalued, it is often because the businesses behind them are poor quality. The market realized this and gave them low valuations. In a way, the market is efficient.

After multiple backtesting analyses, we granted the stocks in third-cheapest percentile the highest GF Value rank, as they have performed the best over a full market cycle. Stock performance is actually not as sensitive to valuation as it is to growth and profitability. On average, the companies in the 20%-50% valuation groups have similar performances. Therefore, we should avoid the most expensive and the least expensive stocks. We can be more tolerant of valuation.

A higher score indicates a stock with a relatively low valuation and substantial potential for outperformance. Conversely, a lower score often reflects stocks that are either highly overvalued or deeply undervalued, both of which tend to underperform.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.


Prostarm Info Systems GF Value Rank Related Terms

NSE:PROSTARM
17GF Score
Prostarm Info Systems Ltd NSE:PROSTARM
GF Value Rank is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Prostarm Info Systems Business Description

Other Exchanges 544410:India
Address Plot No. EL 79, Electronic Zone, TTC, MIDC, Mahape, Navi Mumbai, Thane, MH, IND, 400 710
Prostarm Info Systems Ltd is engaged in the design, manufacturing, assembly, sales, service, and supply of Energy Storage and Power Conditioning Equipment in India. Its product portfolio includes UPS systems, inverters, lift inverters, solar hybrid inverters, lithium-ion battery packs, servo-controlled voltage stabilizers (SCVS), isolation transformers, and other power solutions. The company also executes rooftop solar photovoltaic power plant projects nationwide on an EPC basis. Its value-added services cover installation, rentals, after-sales support (warranty and post-warranty), and Annual Maintenance Contracts (AMC), complementing its Power Solution Products.
17GF Score

Get the complete analysis for NSE:PROSTARM

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

₹127.32
Price