High And Improving MarginsNGK's sustained high gross (~39% TTM) and operating (~22% TTM) margins reflect durable pricing power and tight cost control across products. Strong margin structure supports free cash generation, stable returns, and resilience through automotive cycles, underpinning multi‑period profitability.

Global OEM Footprint And BrandA long-standing global OEM customer base and recognized brand give NGK durable demand channels across new-vehicle production and aftermarket replacement. This diversified revenue mix reduces single-market exposure and enables premium pricing and recurring sales from vehicle lifecycles.

Healthy Capital Base And ReturnsNGK's sizeable equity and solid ROE (~14% TTM) signal efficient capital use and a strong capital base. Historically conservative leverage provides financial flexibility for R&D, capex, or cyclical shocks, supporting sustained investment in product development and long-term competitiveness.

Bears Say

Decelerating Revenue GrowthRevenue momentum has slowed from prior years, with the latest annual sales near flat and only modest TTM growth. Prolonged top-line stagnation can limit operating leverage benefits, constrain reinvestment capacity, and make margin gains harder to sustain over a 2–6 month horizon.

Weakened Free Cash Flow ConversionA roughly 15% drop in FCF and a fall in coverage to ~0.38 (from ~0.87) indicate weaker cash conversion. Reduced cash cushion limits flexibility to fund dividends, R&D, or capex internally and increases vulnerability to earnings volatility or rising financing costs.

Recent Uptick In LeverageAn increase in TTM leverage toward ~0.41 from a prior ~0.23 reduces the firm's financial headroom. Higher leverage raises interest and refinancing risk, narrows strategic options for M&A or capital spending, and merits monitoring if cash generation remains softened.

NGKSY FAQ

What was NGK Spark Plug Co Ltd’s price range in the past 12 months?

NGK Spark Plug Co Ltd lowest stock price was $13.14 and its highest was $25.93 in the past 12 months.

What is NGK Spark Plug Co Ltd’s market cap?

NGK Spark Plug Co Ltd’s market cap is $9.90B.

When is NGK Spark Plug Co Ltd’s upcoming earnings report date?

NGK Spark Plug Co Ltd’s upcoming earnings report date is Apr 30, 2026 which is in 66 days.

How were NGK Spark Plug Co Ltd’s earnings last quarter?

NGK Spark Plug Co Ltd released its earnings results on Jan 30, 2026. The company reported $0.488 earnings per share for the quarter, beating the consensus estimate of N/A by $0.488.

Is NGK Spark Plug Co Ltd overvalued?

According to Wall Street analysts NGK Spark Plug Co Ltd’s price is currently Overvalued. Get more investment ideas with TipRanks Premium

Does NGK Spark Plug Co Ltd pay dividends?

NGK Spark Plug Co Ltd pays a Annually dividend of $0.244 which represents an annual dividend yield of 2.71%. See more information on NGK Spark Plug Co Ltd dividends here

What is NGK Spark Plug Co Ltd’s EPS estimate?

NGK Spark Plug Co Ltd’s EPS estimate for its next earnings report is not yet available.

How many shares outstanding does NGK Spark Plug Co Ltd have?

NGK Spark Plug Co Ltd has 398,495,450 shares outstanding.

What happened to NGK Spark Plug Co Ltd’s price movement after its last earnings report?

NGK Spark Plug Co Ltd reported an EPS of $0.488 in its last earnings report, beating expectations of N/A. Following the earnings report the stock price went down -0.807%.

Which hedge fund is a major shareholder of NGK Spark Plug Co Ltd?

Currently, no hedge funds are holding shares in NGKSY

What is the TipRanks Smart Score and how is it calculated?

Smart Score combines eight research factors - such as analyst recommendations, hedge fund trends, and technical indicators - to measure a stock’s outlook. These signals are unified into a single score that reflects bullish or bearish momentum. See detailed methodology

NGK Spark Plug Co Stock Smart Score

Neutral

Technicals

Fundamentals

Return on Equity

13.54%

Trailing 12-Months

Asset Growth

32.80%

Trailing 12-Months

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Company Description

NGK Spark Plug Co Ltd

NGK Spark Plug Co., Ltd., together with its subsidiaries, manufactures and sells spark plugs and related products for internal-combustion engines; and technical ceramics and applicable products in Japan. The company offers spark plugs, including plugs for aftermarket and original equipment, igniter plugs, and resister cables and covers; glow plugs comprising ceramic and metal type glow plugs, and glow controllers; and oxygen, NOx, temperature, and knock sensors. It also provides semiconductor packages and substrates, such as IC packages for electronics and smart devices, as well as manufacturing parts for semiconductors; and medical products. In addition, the company offers fine ceramics, including wear-resistant parts, ultrasonic transducers and sensors, products for semiconductor manufacturing equipment, electric equipment products, and other ceramic products. Further, it provides cutting tools comprising ceramic, cermet, micro grain carbide, coated carbide, and cubic boron nitride grades, as well as SS and rotational tools. The company sells its spark and glow plugs under NGK brand; and sensors, semiconductor packages/substrates, cutting tools, and fine ceramics under NTK brand. NGK Spark Plug Co., Ltd. was founded in 1936 and is headquartered in Nagoya, Japan.