Prices as of 2026/10/30 close
Company comparison · Oil Refiners & Marketers
Cosmo Energy is the bigger company, with revenue of ¥2.7T — 4.4x San-Ai Obbli's ¥611.6B.
Cosmo Energy earns more on each yen of sales, with an operating margin of 5.4% — 3.4 points above San-Ai Obbli (2.0%).
Revenue growth in the latest results: Cosmo Energy −4.4%, San-Ai Obbli −6.5%. For next year, San-Ai Obbli guides for the fastest operating profit growth (−2.9%).
Cosmo Energy pays more on average — ¥11.5M against ¥8.23M at San-Ai Obbli.
Over the past year the shares moved Cosmo Energy +22.8%, San-Ai Obbli +21.0%.
Head-to-head wins15 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
Cosmo Energy aheadCosmo Energy 3 : San-Ai Obbli 0
Revenue: Cosmo Energy ¥2.7T / San-Ai Obbli ¥611.6B
ProfitabilityInvestors
Cosmo Energy aheadCosmo Energy 3 : San-Ai Obbli 0
Operating margin: Cosmo Energy 5.4% / San-Ai Obbli 2.0%
GrowthInvestors
Cosmo Energy aheadCosmo Energy 3 : San-Ai Obbli 1
Revenue growth (YoY): Cosmo Energy −4.4% / San-Ai Obbli −6.5%
Stock & balance sheetInvestors
Cosmo Energy aheadCosmo Energy 2 : San-Ai Obbli 0
Share price, 1 year: Cosmo Energy +22.8% / San-Ai Obbli +21.0%
Pay & workforceJob seekers
Cosmo Energy aheadCosmo Energy 2 : San-Ai Obbli 1
Average salary: Cosmo Energy ¥11.5M / San-Ai Obbli ¥8.23M
| Metric | Cosmo Energy | San-Ai Obbli | Gap |
|---|---|---|---|
| Revenue | ◎¥2.7T | ¥611.6B | 4.4x |
| Operating profit | ◎¥144.8B | ¥12.4B | 11.7x |
| Net income | ◎¥74.0B | ¥9.2B | 8.0x |
| Metric | Cosmo Energy | San-Ai Obbli | Gap |
|---|---|---|---|
| Operating margin | ◎5.4% | 2.0% | 3.4pt |
| Net margin | ◎2.8% | 1.5% | 1.3pt |
| ROE | — | 8.0% | |
| Revenue per employee | ◎¥10.6B | ¥1.6B | 6.7x |
| Metric | Cosmo Energy | San-Ai Obbli | Gap |
|---|---|---|---|
| Revenue growth (YoY) | ◎−4.4% | −6.5% | 2.1pt |
| Operating profit growth (YoY) | ◎+12.9% | +4.6% | 8.3pt |
| Revenue CAGRlast 5 years | +3.7% | — | |
| Guidance: revenue growthnext FY plan | ◎+7.2% | +1.4% | 5.8pt |
| Guidance: op. profit growthnext FY plan | −29.6% | ◎−2.9% | 26.7pt |
| Metric | Cosmo Energy | San-Ai Obbli | Gap |
|---|---|---|---|
| Share price, 1 year | ◎+22.8% | +21.0% | 1.7pt |
| Share price, 3 months | ◎+7.0% | +3.7% | 3.3pt |
| P/E (trailing)lower = cheaper | — | 16.5x | |
| Equity ratio | — | 57.9% | |
| Share price (close) | ¥4,268 | ¥2,439 |
◎ 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 | Cosmo Energy | San-Ai Obbli | Gap |
|---|---|---|---|
| Average salary | ◎¥11.5M | ¥8.23M | ¥3.27M |
| Starting salary (monthly) | ◎¥330,000 | ¥312,000 | ¥18,000 |
| Average tenure | 14.6 yrs | ◎15.0 yrs | 0.4 |
| Average age | 43.0 | 39.9 | 3.1 |
| Employees | 253 | 388 | 1.5x |
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)
¥4,268+22.8% (1Y)
Cosmo Energy +22.8% over 1Y. Compared: San-Ai Obbli +21.0%.
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.
Cosmo Energy4 segments
San-Ai Obbli5 segments
AAverage annual salary from the securities filings: Cosmo Energy ¥11.5M, San-Ai Obbli ¥8.23M. Cosmo Energy pays the most. Averages also depend on staff age and job mix, so check the average age too (Cosmo Energy 43.0, San-Ai Obbli 39.9).
ARevenue in the latest results: Cosmo Energy ¥2.7T, San-Ai Obbli ¥611.6B. Cosmo Energy is the bigger company, with revenue of ¥2.7T — 4.4x San-Ai Obbli's ¥611.6B.
AOperating margins: Cosmo Energy 5.4%, San-Ai Obbli 2.0%. Cosmo Energy turns the highest share of sales into operating profit.
AShare price change over the past year (closing prices, for reference): Cosmo Energy +22.8%, San-Ai Obbli +21.0%. Cosmo Energy 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.
