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IST
PB (Price/Book ) Ratio

The Current P/B Ratio of IST is 0.45.

Share Price ₹649.6Aug 14,2026
Market Cap ₹760.0 Cr
Book Value₹1,692.2 CrMar2026 - Consolidated Results
Price/Book 0.45xCalculated as MarketCap/Book Value
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Definition & Calculation of PB (Price/Book ) ratio of IST

Price-to-Book ratio, P/B Multiple, or P/B Ratio is an important valuation multiple that is defined as:

P/B = Market Capitalization / Book Value

or, using per-share numbers:

P/B = Stock Price / Book Value Per Share

Applying the above formula, P/B ratio of IST is calculated as :

Current Market Cap [ ₹760.0 Cr] as on Aug 14,2026

(/) Book Value [ ₹1,692.2 Cr] based on Mar2026 - Consolidated Results

(=) P/B Ratio [ 0.45x ]

P/B Ratio indicates 'the multiple of book value' investors are willing to pay to own one share of the company.

Thus, for IST , the investors are currently willing to pay '0.45 times book value' to own 1 share of the company.

PB Multiples are one of the most widely used valuation multiple in industry.

Since P/B ratio uses Book Value in the calculation, P/B multiples are not always reliable for valuing companies with negative book value.

In such cases, you may consider using Price to Earnings ratio or Price to Sales ratio of IST !

The chart below summarizes the trend in P/B Ratio of IST over the last five years.

Historical PB (Price/Book ) ratio chart of IST


PB Ratio Performance Analysis for IST

- IST 's latest p/b ratio is 0.45x.

- IST 's p/b ratio for fiscal years ending Mar2025 to Mar2021 averaged 0.58x.

- IST 's operated at median p/b ratio of 0.53x from fiscal years ending March 2018 to 2022.

- Looking back at the last 5 fiscal years, IST 's p/b ratio peaked in Mar2024 at 0.82x.

- IST 's p/b ratio hit its five-year low in Mar2023 of 0.44x.


How does IST 's P/B Ratio benchmark against top 10 peers in Auto Ancillary Industry?

Peer Comparison (Auto Ancillary Industry)Book ValuePB RatioMarket Cap
IST 1,692.220.45760.0
SAMVARDHANA MOTHERSON INTERNATIONAL LTD40,979.604.33177,631.0
BOSCH LTD14,845.209.35138,812.0
UNO MINDA LTD6,823.5710.4971,605.9
TUBE INVESTMENTS OF INDIA LTD7,722.946.8753,077.5
ENDURANCE TECHNOLOGIES LTD6,840.825.9640,757.1
SONA BLW PRECISION FORGINGS LTD5,922.418.3449,412.1
ZF COMMERCIAL VEHICLE CONTROL SYSTEMS INDIA LTD3,690.588.1129,942.8
MOTHERSON SUMI WIRING INDIA LTD2,161.7012.3826,758.8
TENNECO CLEAN AIR INDIA LTD1,197.4018.1621,748.2
CRAFTSMAN AUTOMATION LTD3,264.068.2126,803.5

Auto Ancillary Industry Benchmark (Top 10) PB Analysis vs IST 's P/B Ratio

Top 10 Industry PeersPB Ratio
Min industry PB 0.45x
Max industry PB 18.16x
Median industry PB 8.21x
Average industry PB 8.42x



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