Prices as of 2026/10/30 close
Company comparison · Glass & Electronic Ceramics
AGC is the bigger company, with revenue of ¥2.1T — 3.3x NGK Insulators's ¥619.5B.
NGK Insulators earns more on each yen of sales, with an operating margin of 13.1% — 6.9 points above AGC (6.2%).
Revenue growth in the latest results: NGK Insulators +7.0%, AGC −0.4%. For next year, AGC guides for the fastest operating profit growth (+17.7%).
AGC pays more on average — ¥8.88M against ¥8.45M at NGK Insulators.
Over the past year the shares moved NGK Insulators +80.7%, AGC +13.2%.
Head-to-head wins17 metrics
One win per metric for the company with the best value. Metrics with no better or worse (P/E, average age, employees) are excluded.
ScaleInvestors
AGC aheadAGC 3 : NGK Insulators 0
Revenue: AGC ¥2.1T / NGK Insulators ¥619.5B
ProfitabilityInvestors
NGK Insulators aheadAGC 1 : NGK Insulators 2
Operating margin: AGC 6.2% / NGK Insulators 13.1%
GrowthInvestors
NGK Insulators aheadAGC 2 : NGK Insulators 3
Revenue growth (YoY): AGC −0.4% / NGK Insulators +7.0%
Stock & balance sheetInvestors
NGK Insulators aheadAGC 1 : NGK Insulators 2
Share price, 1 year: AGC +13.2% / NGK Insulators +80.7%
Pay & workforceJob seekers
AGC aheadAGC 3 : NGK Insulators 0
Average salary: AGC ¥8.88M / NGK Insulators ¥8.45M
| Metric | AGC | NGK Insulators | Gap |
|---|---|---|---|
| Revenue | ◎¥2.1T | ¥619.5B | 3.3x |
| Operating profit | ◎¥127.5B | ¥81.2B | 1.6x |
| Net income | ◎¥69.2B | ¥54.9B | 1.3x |
| Metric | AGC | NGK Insulators | Gap |
|---|---|---|---|
| Operating margin | 6.2% | ◎13.1% | 6.9pt |
| Net margin | 3.4% | ◎8.9% | 5.5pt |
| ROE | 4.3% | — | |
| Revenue per employee | ◎¥257M | ¥127M | 2.0x |
| Metric | AGC | NGK Insulators | Gap |
|---|---|---|---|
| Revenue growth (YoY) | −0.4% | ◎+7.0% | 7.4pt |
| Operating profit growth (YoY) | +1.3% | ◎+22.4% | 21.1pt |
| Revenue CAGRlast 4 years | +4.9% | ◎+8.2% | 3.3pt |
| Guidance: revenue growthnext FY plan | ◎+6.9% | +1.7% | 5.2pt |
| Guidance: op. profit growthnext FY plan | ◎+17.7% | −7.7% | 25.4pt |
| Metric | AGC | NGK Insulators | Gap |
|---|---|---|---|
| Share price, 1 year | +13.2% | ◎+80.7% | 67.5pt |
| Share price, 3 months | ◎−9.3% | −12.0% | 2.8pt |
| P/E (trailing)lower = cheaper | 16.6x | 24.8x | |
| Equity ratio | 58.7% | ◎63.6% | 4.9pt |
| Share price (close) | ¥5,420 | ¥4,613 |
◎ marks the best value for each metric. Revenue and profit are from the latest full-year earnings release; share prices are closing-price references; P/E = latest close ÷ trailing EPS. For banks and some other financials, revenue means ordinary income.
| Metric | AGC | NGK Insulators | Gap |
|---|---|---|---|
| Average salary | ◎¥8.88M | ¥8.45M | ¥0.43M |
| Starting salary (monthly) | ◎¥293,012 | ¥285,000 | ¥8,012 |
| Average tenure | ◎16.9 yrs | 15.2 yrs | 1.7 |
| Average age | 43.2 | 40.5 | 2.7 |
| Employees | 8,014 | 4,876 | 1.6x |
Average salary is for the reporting (parent) company and is affected by average age and job mix. Holding companies with few employees are left out of the salary comparison.
Close (Oct 30, 2026)
¥5,420+13.2% (1Y)
AGC +13.2% over 1Y. Compared: NGK Insulators +80.7%.
Reference chart of daily closing prices, not real-time quotes (split-adjusted; weekly closes before the last year). Each line shows the % change from the start of the period. Updated Oct 30, 2026.
AGC6 segments
NGK Insulators3 segments
AAverage annual salary from the securities filings: AGC ¥8.88M, NGK Insulators ¥8.45M. AGC pays the most. Averages also depend on staff age and job mix, so check the average age too (AGC 43.2, NGK Insulators 40.5).
ARevenue in the latest results: AGC ¥2.1T, NGK Insulators ¥619.5B. AGC is the bigger company, with revenue of ¥2.1T — 3.3x NGK Insulators's ¥619.5B.
AOperating margins: NGK Insulators 13.1%, AGC 6.2%. NGK Insulators turns the highest share of sales into operating profit.
AShare price change over the past year (closing prices, for reference): NGK Insulators +80.7%, AGC +13.2%. NGK Insulators has risen the most.
Comparing 2 companies (up to 4)
Sources: earnings releases (kessan tanshin), annual securities reports and other public information. Share prices are closing-price references, not real-time. Our data may contain errors; investment decisions are your own responsibility.
