ECO vs INSW: Which Is the Better Buy in 2026?
Last updated August 2026
Short answer
INSW is the larger of the two ($4.76B market cap): the incumbent the market prices for continued execution (15.45x forward earnings, beta -0.09). ECO is the smaller challenger ($2.36B), cheaper on forward earnings (10.89x): more room to run, but more to prove. The real question is which set of drivers you believe, and whether owning one (or both) leaves you over-concentrated.
ECO vs INSW: the tie-breaker metrics
Same yardstick, side by side (as of August 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.
| Metric | ECO | INSW | What it tells you |
|---|---|---|---|
| Market cap | $2.36B | $4.76B | Size. The larger name is the incumbent; the smaller has more room to grow and more to prove. |
| Forward P/E | 10.89 | 15.45 | Valuation on next year's expected earnings, the same yardstick for both. Lower is cheaper for that growth; higher means the market is paying up. |
| Trailing P/E | 10.60 | 8.76 | Valuation on the last 12 months. A big drop from trailing to forward means the market expects earnings to jump, so more growth is already in the price. |
| Price vs 52-week range | 99% of range | 98% of range | Where today's price sits between the 52-week low and high. Near the high is momentum with less margin of safety; near the low is out of favor or a discount, depending on why. |
| Price / book | 3.25 | 2.17 | How much you pay over book value. Very high can signal an asset-light, high-return business or a rich price. |
Reading it: ECO is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.
Before you buy: how ECO and INSW affect your concentration
The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. ECO and INSW share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.
This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined ECO and INSW exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.
What does Okeanis Eco Tankers Corp (ECO) do?
Okeanis Eco Tankers Corp. owns and operates a fleet of 16 modern, scrubber-fitted crude oil tankers, split evenly between eight VLCCs (very large crude carriers) and eight Suezmax vessels. Incorporated in the Marshall Islands and run out of Neo Faliro, Greece, the company hauls crude oil around the world on the spot market and through time charters, and it trades on both the Oslo Stock Exchange (OET) and the NYSE (ECO). Its "eco" branding refers to the fuel-efficient, emissions-reducing design of a relatively young fleet, which the company argues wins premium rates and lower operating costs versus older tonnage.
What does International Seaways (INSW) do?
International Seaways owns and operates a fleet of roughly 70 oceangoing vessels that transport crude oil and refined petroleum products in international trade. The business runs across two segments, Crude Tankers (VLCCs, Suezmaxes, and Aframaxes) and Product Carriers (MRs, LR1s, and LR2s), and also provides ship-to-ship lightering support services. Revenue is driven almost entirely by daily spot charter rates, which swing sharply with global oil demand, ton-mile trade patterns, and geopolitical disruption.
ECO vs INSW: how do they differ?
Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.
- ECO drivers: Tanker rate cycle and rerouting; Modern, scrubber-fitted fleet.
- INSW drivers: Strong tanker spot rates; Diversified fleet mix.
Which fits which kind of investor
A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: Crude tanker shipping is one of the most cyclical corners of the market, and ECO's earnings and dividend can fall dramatically when day rates decline, as the early-2026 rate slump illustrated. For INSW, iNSW's earnings are highly cyclical and depend on spot charter rates that can fall sharply and unpredictably.
ECO or INSW: which should you pick?
Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick ECO if you believe its drivers more; INSW if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the ECO and INSW guides.
ECO vs INSW: the full fundamentals
ECO. As of July 2026 ECO traded around $53 per share, valuing the company near $2.2B on roughly 39M shares. Trailing figures reflect a strong tanker market, with FY2025 revenue of about $392M and profit of about $123M, while the higher TTM numbers capture the late-2025 rate peak. The single-digit P/E and high dividend yield are typical of shipping stocks priced for the cycle to eventually cool rather than compound.
INSW. INSW posted record Q1 2026 results, with revenue up roughly 78% year over year and adjusted EPS of about $3.90 beating consensus. Tanker operators typically trade at low single-digit to high single-digit forward earnings multiples to reflect the cyclicality of spot rates. Reported earnings can swing widely quarter to quarter with the rate environment.
Headline figures (approximate, JULY 2026): ECO shows market cap ~$2.2B, revenue (ttm) ~$482M, net income (ttm) ~$199M, diluted eps (ttm) ~$5.83; INSW shows revenue (q1 2026) ~$325M, revenue (fy2025) ~$1.0B, net income (q1 2026) ~$286M, diluted eps (fy2025) ~$6.23.
The bottom line: ECO vs INSW
ECO and INSW are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined ECO and INSW exposure against your real portfolio. It is not an investment adviser.
Wondering how ECO or INSW fits the portfolio you already own? Walnut is an AI investing app that connects your brokerage read-only and answers questions like that about your actual holdings: overlap, concentration, and how each position tracks the S&P 500. Compare the best AI portfolio analyzers or see the best AI investing apps in 2026.
Investing in Okeanis Eco Tankers Corp with AI
Connect the broker you already use and ask Walnut's AI how ECO fits what you actually hold: whether you own it already through a fund, what it would do to your concentration, and how it has tracked the S&P 500. Read-only by default, and you approve anything before it reaches your broker.
FAQ
What is the difference between ECO and INSW?
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Okeanis Eco Tankers Corp. International Seaways owns and operates a fleet of roughly 70 oceangoing vessels that transport crude oil and refined petroleum products in international trade. They show up together because they share investment themes, but they are different businesses, so the better fit depends on which thesis you are expressing.
Is ECO or INSW the better stock?
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Neither is universally better. INSW is the larger incumbent; ECO is the smaller challenger and looks cheaper on forward earnings. Walnut is informational, not investment advice. Compare what each does, the tie-breaker metrics above, and the risks, then decide which fits your thesis and what you already own.
Which is cheaper, ECO or INSW?
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On forward P/E (as of August 2026), ECO trades at 10.89x and INSW at 15.45x, so ECO is the cheaper of the two on next year's expected earnings. A lower multiple is not automatically the better buy: a richer valuation can be justified by faster growth, and a lower one can reflect real risk. Weigh the multiple against how fast each business is compounding.
Should you own both ECO and INSW?
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Because they share themes, owning both concentrates you in that theme. That can be intentional (a focused bet) or accidental (less diversification than it looks). Walnut can show your combined exposure across both, and whether adding either over-concentrates you, before you buy.
What are the risks of ECO vs INSW?
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ECO: Crude tanker shipping is one of the most cyclical corners of the market, and ECO's earnings and dividend can fall dramatically when day rates decline, as the early-2026 rate slump illustrated. A record surge in VLCC and Suezmax newbuild orders raises the risk of oversupply and weaker rates once those ships deliver. The company is exposed to oil demand, OPEC+ production choices, sanctions and geopolitical shifts that redraw trade routes, and volatile bunker fuel costs. As a Marshall Islands-incorporated foreign private issuer with a concentrated fleet and near-100% payout, it carries limited financial cushion, currency and interest-rate exposure on vessel debt, and single-incident operational risk from any accident or vessel detention. INSW: INSW's earnings are highly cyclical and depend on spot charter rates that can fall sharply and unpredictably. A downturn in oil demand, a wave of newbuild vessel deliveries, or a normalization of trade routes could compress rates and cut cash flow quickly. The variable dividend can shrink dramatically in weak quarters because most of the payout is supplemental rather than base. Geopolitical shocks cut both ways, boosting rates in some scenarios and disrupting operations in others. Long-term demand for seaborne oil transport also faces uncertainty from the energy transition.
Walnut is informational, not investment advice. This page is descriptive and not a recommendation to buy or sell ECO or INSW; figures are approximate and dated (as of August 2026). Verify current data before investing.