What drives LNG tanker demand and rates?

LNG trade volume growth: global LNG trade has grown from approximately 240 million tonnes per year (MTPA) in 2015 to approximately 400+ MTPA in 2024; the primary growth drivers are U.S. LNG exports (which grew from zero in 2016 to approximately 80+ MTPA by 2024), Australian LNG exports (Gorgon, Wheatstone, APLNG, Ichthys), and Qatari LNG expansion; Asian demand growth (China, Japan, South Korea) drives the demand side. Vessel supply: LNG carrier newbuilds take approximately 3-4 years from order to delivery at South Korean shipyards (HHI, DSME, Samsung); the order book for LNG carriers has been substantial since the 2022 energy crisis; vessel supply growth from these orders could pressure rates if it outpaces cargo volume growth. Rate seasonality: LNG demand and shipping rates are seasonal (Northern Hemisphere winter = peak heating demand = highest LNG rates; summer = lower rates); European and Asian buyers compete for LNG cargoes in winter, driving spot rates and charter negotiations. The rate cycle: spot LNG carrier rates ranged from approximately $40,000-60,000/day (normal markets) to $300,000+/day (winter 2022 energy crisis in Europe) — an extreme range demonstrating how supply/demand tightness can create spectacular rate spikes; these spikes also drive vessel values up substantially.

What is ethylene shipping and why does it require specialized vessels?

Ethylene (C2H4): ethylene is the world's most produced organic chemical — approximately 200+ million tonnes produced annually; it is the fundamental building block for polyethylene plastic (used in packaging, bottles, pipes), ethylene oxide (for detergents and antifreeze), ethylene glycol (antifreeze, polyester fiber), PVC, and hundreds of other chemicals. Ethylene transport challenge: ethylene is a gas at room temperature and pressure; transporting it requires either very high pressure (impractical for cargo volumes) or very low temperature (-104°C, -155°F) to liquefy it; purpose-built ethylene carriers maintain cargo at -104°C in specialized insulated tank systems — even colder than propylene (-47°C) and LPG (-42°C for propane); the extreme cold requires specialized materials (austenitic stainless steel or aluminum tank construction) and process controls. Trade flows: ethylene trade flows are relatively short-range (Middle East to Asia, U.S. Gulf Coast to Europe/Asia, Asia-Pacific inter-regional); ethylene is often consumed close to where it is produced (steam crackers are often co-located near their polyethylene customers); where trade occurs, it's typically for arbitrage (when regional ethylene prices differ significantly) or to fill supply gaps. Navigator's ethylene position: Navigator Gas operates one of the largest specialized ethylene carrier fleets globally; this puts Navigator in a small, specialized market with significant technical barriers (operating ethylene carriers requires expertise in cryogenic tank management and cargo handling); few competitors can offer Navigator's range of semi-refrigerated capabilities.

Who is John Fredriksen and what is his significance for Flex LNG?

Background: John Fredriksen is a Norwegian-Cypriot shipping magnate widely regarded as the world's most successful shipping investor; born in Oslo in 1944, he built his fortune through tank shipping during the oil embargo era (1970s) and has since built one of the most diversified shipping empires globally. Shipping empire: Fredriksen controls Frontline Ltd. (the world's largest crude oil tanker company with VLCC and Suezmax fleets); Euronav (merged with Frontline's Euronav position); Flex LNG (LNG carriers); SFL Corporation (a diversified leasing company for tankers, containerships, and drilling rigs); Seatankers (private holding); and various other shipping and energy investments. Strategic significance for Flex LNG: Fredriksen's name carries enormous credibility in shipping finance and chartering; LNG producers and commodity traders who charter LNG vessels have long-standing relationships with Fredriksen's organizations; Flex LNG benefits from these relationships in chartering, vessel financing, and strategic positioning; Fredriksen also provides backstop financial support through crisis periods; when Flex LNG needed capital, Fredriksen's backing gave banks and capital markets confidence. Investment implication: Fredriksen-controlled shipping companies have historically outperformed through shipping cycles due to his counter-cyclical deal-making (buying assets cheap at cycle bottoms); the strategic intelligence from his cross-sector shipping visibility (crude, LNG, bulk) provides insights that independent operators lack.

brimindinvest.com / compare / nvgs-vs-flex-lngLIVE

NVGS

Navigator Gas Holdings plc · Energy - Petrochemical Gas Shipping / LPG Carriers

$21.71

-8.90% this month

VERSUS

⟷

COMPARE

FLNG

Flex LNG Ltd. · Energy - LNG Shipping

$29.74

-6.38% this month

Scoreboard verdict

Across AI score, momentum, valuation, upside, operating margin

NVGS

4

FLNG

0

NVGS LEADS 4/5

Comparison scoreboard

NVGS LEADS 4/5

AI Score

NVGS ✓34.3

FLNG 30.9

1Y Return

NVGS ✓+51.07%

FLNG +35.98%

Fwd P/E

NVGS ✓12.48

FLNG 13.85

Target Up.

NVGS ✓+16.31%

FLNG -12.84%

Op. Margin

NVGS N/A

FLNG N/A

Metrics last refreshed: 6/20/2026

Quick take

NVGS vs FLNG Stock Comparison: AI Score, Valuation, Performance and Upside

NVGS (Navigator Gas) and FLNG (Flex LNG) are both liquefied gas shipping companies but serving different cargo markets — Navigator transports petrochemical gases (ethylene, propylene, ammonia) and LPG using flexible semi-refrigerated vessels across shorter trade routes, while Flex LNG transports LNG exclusively using modern, fuel-efficient LNG carriers on long-term time charters to energy companies.

NVGS vs FLNG is specialized petrochemical gas carrier with flexible multi-cargo vessels (Navigator Gas's semi-refrigerated fleet serving ethylene, propylene, ammonia, and LPG trades — cargo flexibility and Houston terminal providing diversification across petrochemical shipping cycles) versus modern LNG tanker fleet on long-term charters to energy majors (Flex LNG's 13 M-type and X-DF vessels, high time charter coverage, and John Fredriksen sponsorship — concentrated LNG trade exposure with visibility from multi-year charter backlog) — petrochemical gas flexibility versus LNG trade growth leverage.

Live analysis · updated 6/20/2026

NVGS holds the edge across 4 of 5 key metrics in this comparison. NVGS leads on both 1-year return (+51.07%) and forward P/E (12.48x vs 13.85x for FLNG), a relatively favorable combination of momentum and valuation. Analyst consensus implies meaningfully more upside for NVGS (+16.31%) than for FLNG (-12.84%).

Normalized 1Y performance

NVGS

FLNG

Recent returns

NVGS

FLNG

Analyst price targets & sentiment

NVGS · 6 analysts

Price target range

analyst low$21.50
analyst high$27.00
analyst mean$25.25
current price$21.71

+16.3% upside to analyst mean

FLNG · 5 analysts

STRONG BUYHOLDSTRONG SELL

Sell (4.3/5.0)

Price target range

analyst low$24.60
analyst high$30.00
analyst mean$25.92
current price$29.74

-12.8% upside to analyst mean

Who should consider this stock?

NVGS may suit investors who:

→Want exposure to petrochemical gas shipping with cargo flexibility (ethylene, propylene, ammonia, LPG) that allows Navigator to capture rates across multiple specialized trade routes
→Value Navigator's Houston Ship Channel terminal as providing infrastructure revenue and strategic positioning in the world's largest petrochemical hub
→See the semi-refrigerated specialized fleet as competing in a smaller, less-commoditized market than large-scale LPG/LNG carriers with better supply/demand dynamics

FLNG may suit investors who:

→Want exposure to the structural LNG trade growth driven by U.S. LNG export expansion and Asian energy demand with a modern fleet that commands fuel-efficiency premiums
→Value Flex LNG's long-term time charter coverage as providing earnings visibility and dividend sustainability through LNG spot rate volatility
→Appreciate John Fredriksen's shipping industry pedigree as providing strategic relationships with energy majors and commodity traders who are the primary LNG vessel charterers

Performance & AI score

Metric	NVGS	FLNG
AI score	34.3	30.9
AI rank	#1748	#2214
Latest close	$21.71	$29.74
1M return	-8.90%	-6.38%
6M return	+26.49%	+23.09%
1Y return	+51.07%	+35.98%

$10,000 invested — hypothetical growth (dividends reinvested)

How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?

Period	NVGS	FLNG
1Y ago	$15.32K (+53.2%) started 2025-06-18	$15.25K (+52.5%) started 2025-06-18
5Y ago	$22.13K (+121.3%) started 2021-06-18	$84.43K (+744.3%) started 2021-06-18
10Y ago	$20.42K (+104.2%) started 2016-06-20	$144.32K (+1343.2%) started 2019-06-17

Hypothetical — past performance does not guarantee future results.

Valuation & upside potential

Metric	NVGS	FLNG
Market cap	$1.34B	$1.61B
Trailing P/E	13.40	21.40
Forward P/E	12.48	13.85
Price/Sales	2.33	4.74
EV/Revenue	3.76	9.02
Analyst target	$25.25	$25.92
Target upside	+16.31%	-12.84%

Growth, profitability & risk

Metric	NVGS	FLNG
Revenue growth	-7.10%	-9.00%
Earnings growth	38.60%	4.00%
EPS growth	+38.60%	+4.00%
FCF margin	+21.47%	+29.68%
Operating margin	N/A	N/A
Profit margin	18.84%	22.26%
ROIC proxy	9.10%	10.20%
Return on equity	9.10%	10.20%
Dividend yield	1.09%	9.94%
Beta	0.47	0.17
Debt/equity	73.64	260.81
Current ratio	1.16	2.72
Quick ratio	0.84	2.26

Drawdown & downside risk

Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.

1Y risk snapshot

NVGS max drawdown15.15%

FLNG max drawdown10.29%

NVGS max wkly drop13.61%

FLNG max wkly drop7.76%

5Y risk snapshot

NVGS max drawdown38.88%

FLNG max drawdown31.04%

NVGS max wkly drop20.00%

FLNG max wkly drop27.71%

10Y risk snapshot

NVGS max drawdown73.33%

FLNG max drawdown71.92%

NVGS max wkly drop50.89%

FLNG max wkly drop27.71%

Performance metrics by period

Period	Metric	NVGS	FLNG
1Y	Growth	+51.07%	+35.98%
	CAGR	+51.12%	+36.01%
	Sharpe ratio	1.46	1.15
	Max drawdown	15.15%	10.29%
	Max daily drop	11.55%	5.65%
	Max wkly drop	13.61%	7.76%
5Y	Growth	+112.42%	+277.94%
	CAGR	+16.26%	+30.47%
	Sharpe ratio	0.48	0.76
	Max drawdown	38.88%	31.04%
	Max daily drop	11.55%	11.30%
	Max wkly drop	20.00%	27.71%
10Y	Growth	+96.02%	+432.83%
	CAGR	+6.97%	+26.98%
	Sharpe ratio	0.28	0.64
	Max drawdown	73.33%	71.92%
	Max daily drop	24.37%	13.09%
	Max wkly drop	50.89%	27.71%

Business comparison

Category	NVGS	FLNG
Company	Navigator Gas Holdings plc	Flex LNG Ltd.
Sector	Energy - Petrochemical Gas Shipping / LPG Carriers	Energy - LNG Shipping
Industry	N/A	N/A
Core business	Navigator Gas is a specialist owner and operator of liquefied gas carriers transporting petrochemical gases and LPG. Navigator's fleet of approximately 50+ vessels includes semi-refrigerated carriers (which transport ethylene, propylene, butadiene, ammonia, and LPG at partial refrigeration and pressure — highly flexible vessels that can carry multiple cargo types), fully pressurized carriers (LPG and chemical gas at ambient temperature but high pressure), and ethane carriers (purpose-built for ethylene and ethane transport). Navigator's fleet is differentiated from large-scale LPG carriers (VLGCs — Very Large Gas Carriers used for propane/butane trade) by its focus on petrochemical gas cargoes and its use of medium-size semi-refrigerated vessels. Navigator also operates a terminal on the Houston Ship Channel.	Flex LNG is a modern LNG (liquefied natural gas) tanker owner/operator with a fleet of 13 M-type Electronically Controlled Gas Injection (MEGA) TFDE (Tri-Fuel Diesel Electric) and X-DF (two-stroke dual-fuel) LNG carriers. Flex LNG's vessels are among the most modern and fuel-efficient in the LNG fleet, built at South Korean shipyards (Hyundai Heavy Industries, Samsung). Flex LNG charters its vessels to LNG producers (Shell, BP, Equinor, Glencore) and utilities under long-term time charters (3-7 years) that provide revenue certainty. Flex LNG is backed by John Fredriksen (the Norwegian shipping magnate who founded Frontline and Seadrill), who provides strategic sponsorship and financial backing.
Investor focus	Investors track Navigator's fleet utilization rates, time charter equivalent (TCE) earnings per vessel per day, contract coverage (% of fleet locked into time charters vs. spot market), and the petrochemical gas market supply/demand balance.	Investors track Flex LNG's TCE per vessel per day, contract backlog coverage (percentage of fleet on time charters vs. spot), dividend sustainability, and the long-term LNG trade growth that drives vessel demand.

NVGS strengths

→Semi-refrigerated vessels are the most flexible in the liquefied gas fleet — semi-refrigerated/fully pressurized carriers can transport ethylene, propylene, butadiene, ammonia, propane, butane, and other gases in the same vessel; this cargo flexibility allows Navigator to optimize vessel deployment across diverse trade routes
→Petrochemical gas shipping is more specialized with fewer competitors than large-scale LPG/LNG — the semi-refrigerated segment has a limited number of capable vessels and operators; fewer vessels competing for the same cargoes supports rates better than commodity VLGC markets
→Houston Ship Channel terminal provides infrastructure revenue and cargo positioning — Navigator's terminal allows transshipment and storage of petrochemical gases, supporting customer supply chains in the U.S. Gulf Coast petrochemical hub

FLNG strengths

→Modern, fuel-efficient fleet commands premium rates vs. older LNG vessels — Flex LNG's M-type and X-DF vessels are more fuel-efficient than older steam turbine LNG carriers; charterers prefer modern vessels because lower fuel consumption reduces voyage costs; this premium efficiency supports higher TCE rates
→Long-term time charter coverage provides earnings visibility — Flex LNG targets securing 80%+ of its fleet on multi-year time charters; the backlog of contracted revenue reduces exposure to spot LNG tanker rate volatility
→John Fredriksen sponsorship provides strategic credibility and financial backing — Fredriksen's shipping empire (Frontline, Euronav, SFL Corporation) has deep relationships with oil majors and commodity traders who are LNG charterers; Fredriksen-backed shipping companies have historically had better access to vessels and charterers than independent operators

Risks to watch — NVGS

→Petrochemical trade volumes depend on global chemical production and trade flows — if chemical production in Asia or Europe declines, demand for petrochemical gas shipping declines proportionally; chemical cycle downturns reduce volumes
→Semi-refrigerated vessel newbuild orders could create oversupply — if shipyards receive orders for many new semi-refrigerated vessels, fleet supply growth could outpace cargo volume growth and compress TCE rates
→LPG/petrochemical gas trade patterns can shift with geopolitical events — U.S. ethane exports to Europe (via ethane carriers) depend on European cracker economics relative to naphtha; shifts in energy trade patterns affect Navigator's cargo mix

Risks to watch — FLNG

→LNG tanker rates are cyclical and depend on LNG trade growth vs. newbuild vessel supply — the LNG carrier fleet is growing as shipyards deliver vessels ordered during the LNG boom; if vessel supply exceeds cargo volume growth, spot rates decline; this affects vessel values and the rates at which time charters are reset
→Long-term time charter expirations create rechartering risk — when Flex LNG's existing time charters expire (3-7 year term), vessels must be rechartered; if market rates at that time are below current charter rates, earnings decline; Flex LNG must continuously renew charters in an uncertain rate environment
→LNG carrier concentration in a single cargo type limits vessel flexibility vs. semi-refrigerated multipurpose carriers — LNG carriers are purpose-built for LNG; they cannot carry other cargoes if LNG trade declines; vessel value is entirely dependent on LNG trade volumes

Frequently asked questions

LNG (Liquefied Natural Gas): natural gas (primarily methane, CH4) cooled to -162°C (-260°F) to convert it to liquid for transport; LNG is approximately 600 times more dense as liquid than as gas; LNG requires specialized cryogenic vessels (LNG carriers) with insulated cargo tanks maintained at -162°C; LNG carriers are very large (typically 135,000-180,000 cubic meters capacity, carrying equivalent of approximately 3-4 Bcf of gas); LNG is used as power generation fuel, industrial fuel, and residential heating. LPG (Liquefied Petroleum Gas): propane and butane (C3 and C4 gases) that become liquid either under modest pressure (pressurized gas carriers) or at moderate refrigeration (-42°C for propane); LPG is transported by Very Large Gas Carriers (VLGCs — 84,000 cbm), large gas carriers (LGCs — 30,000-60,000 cbm), and smaller pressurized carriers. Petrochemical gas carriers (Navigator Gas's specialty): ethylene (C2H4) must be transported at -104°C; propylene (C3H6) at -47°C; ethane (C2H6) at -89°C; ammonia (NH3) at -33°C; semi-refrigerated carriers transport these gases at intermediate temperatures using both refrigeration and pressure (moderate pressure of 4-7 bar); the ability to handle multiple gas types at different temperatures in the same vessel is the 'semi-refrigerated' advantage; these vessels serve smaller volume, specialized trades between petrochemical production and consumption sites.

AI Prediction SignalNext 5 trading days

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+2.8%BUY

FLNG

+1.1%HOLD

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