International Seaways, Inc. vs ZIM INTEGRATED SHIPPING SERVICES LTD., two Marine Shipping stocks. A side-by-side on valuation, growth, margins, returns, and what each price is betting.
Tankers versus container liners, both cyclical but on separate cycles. International Seaways runs a much richer net margin, 55.39% against ZIM's 6.97%, reflecting a strong tanker window versus a soft freight one. Both look cheap on earnings, Seaways at 7.23 times and ZIM at 6.43, but ZIM prices below its own equity at 0.77 times book while Seaways trades at 1.80 times. On cash, ZIM's 18.64% free-cash-flow yield tops Seaways' 11.43%, though ZIM's earnings are the more volatile. Seaways adds a 3.69% dividend and light debt at 0.29. Seaways is a cash-rich tanker mid-cycle, ZIM a beaten-down box carrier priced for a trough, the two riding separate freight cycles.
Comparison updated 2026-07-11.
| Metric | INSW | ZIM |
|---|---|---|
| Price | $88.36 | $23.98 |
| Market cap | $4.4B | $2.9B |
| Sector | Marine Shipping | Marine Shipping |
| Stage | Growth | Mature |
| Implied growth (priced in) | -2.3% | — |
| P/E | 8.1 | 6.0 |
| P/B | 2.00 | 0.72 |
| P/S | 4.46 | 0.42 |
| EV/EBITDA | 6.6 | 0.8 |
| Revenue growth | +19.6% | +0.8% |
| Gross margin | — | 19.1% |
| Operating margin | 88.7% | 14.7% |
| Net margin | 55.4% | 7.0% |
| Return on equity | 24.9% | 12.0% |
| Return on assets | 19.0% | 4.4% |
| Return on invested capital | 16.1% | 18.4% |
| FCF yield | 10.3% | 79.6% |
| Dividend yield | 3.3% | — |
| Debt / equity | 0.29 | 0.00 |
| Current ratio | 7.34 | 1.23 |
| Altman Z (solvency) | 5.15 | 1.48 |
| Piotroski F (quality) | 6 / 9 | 4 / 9 |
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The stronger value is highlighted per metric where one is strictly better on that single number; it is not an overall verdict on either company. For informational and research purposes only. Not investment advice. Not a recommendation to buy, sell, or hold any security. boothcheck is not a registered investment adviser. Past performance does not guarantee future results.