High Margins And ProfitabilityNGK reports persistently high TTM margins across gross, EBIT and net lines, reflecting cost control and pricing power in core consumable products. Durable margin levels support cash generation and resilience through cycles, underpinning sustained returns and reinvestment capacity.

Healthy Capital StructureThe company maintains a conservative capital base with sizeable equity and a reasonable leverage profile versus peers. This financial headroom supports strategic investment, dividend continuity and ability to absorb shocks, though the recent uptick in TTM leverage warrants monitoring.

Recurring Aftermarket Demand And Product DiversificationA large portion of sales are recurring aftermarket consumables and parts for industrial applications, producing steady demand and predictable replacement cycles. That recurring revenue plus diversified end markets smooths cash flow and reduces dependence on single-cycle new vehicle sales.

Bears Say

Revenue Growth DecelerationTop-line momentum has slowed from prior multi-year gains to near-flat annual growth and only modest TTM expansion. Persistent revenue deceleration can limit operating leverage benefits, constrain absolute earnings upside, and make sustaining margin improvements harder over the medium term.

Weakened Cash-flow ConversionA roughly 15% decline in FCF and a sharp drop in coverage reduce internal funding capacity for capex, dividends or buybacks. Lower cash conversion increases reliance on external financing if investment needs rise and reduces the margin for operational shocks over the next several quarters.

Exposure To Internal Combustion Engine DemandCore products are tied to ICE vehicle systems (spark plugs, ignition components). As structural EV adoption progresses, the addressable market for ignition products may shrink over time. Even with industrial diversification, meaningful exposure to ICE demand is a long-term strategic risk to revenue and product relevance.

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 $9.64B.

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 45 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.