WallStSmart

Rubico Inc. Common Stock (RUBI)vsStar Bulk Carriers Corp (SBLK)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Star Bulk Carriers Corp generates 4547% more annual revenue ($1.09B vs $23.52M). SBLK leads profitability with a 13.0% profit margin vs 11.2%. SBLK earns a higher WallStSmart Score of 68/100 (B-).

RUBI

Hold

50

out of 100

Grade: D+

Growth: 2.7Profit: 6.0Value: 5.0Quality: 3.5
Piotroski: 3/9Altman Z: 1.02

SBLK

Strong Buy

68

out of 100

Grade: B-

Growth: 6.7Profit: 6.5Value: 6.7Quality: 5.5
Piotroski: 3/9Altman Z: 1.37
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for RUBI.

SBLKUndervalued (+83.3%)

Margin of Safety

+83.3%

Fair Value

$143.46

Current Price

$27.32

$116.14 discount

UndervaluedFair: $143.46Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

RUBI2 strengths · Avg: 10.0/10
Price/BookValuation
0.0x10/10

Reasonable price relative to book value

Operating MarginProfitability
49.0%10/10

Strong operational efficiency at 49.0%

SBLK4 strengths · Avg: 9.0/10
Price/BookValuation
1.3x10/10

Reasonable price relative to book value

EPS GrowthGrowth
13118.0%10/10

Earnings expanding 13118.0% YoY

Operating MarginProfitability
25.7%8/10

Strong operational efficiency at 25.7%

Revenue GrowthGrowth
21.9%8/10

Revenue surging 21.9% year-over-year

Areas to Watch

RUBI4 concerns · Avg: 3.3/10
EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Market CapQuality
$1.53M3/10

Smaller company, higher risk/reward

Debt/EquityHealth
1.803/10

Elevated debt levels

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

SBLK4 concerns · Avg: 3.0/10
PEG RatioValuation
1.954/10

Expensive relative to growth rate

Return on EquityProfitability
5.8%3/10

ROE of 5.8% — below average capital efficiency

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Altman Z-ScoreHealth
1.372/10

Distress zone — elevated risk

Comparative Analysis Report

WallStSmart Research

Bull Case : RUBI

The strongest argument for RUBI centers on Price/Book, Operating Margin.

Bull Case : SBLK

The strongest argument for SBLK centers on Price/Book, EPS Growth, Operating Margin. Revenue growth of 21.9% demonstrates continued momentum.

Bear Case : RUBI

The primary concerns for RUBI are EPS Growth, Market Cap, Debt/Equity. Debt-to-equity of 1.80 is elevated, increasing financial risk.

Bear Case : SBLK

The primary concerns for SBLK are PEG Ratio, Return on Equity, Piotroski F-Score.

Key Dynamics to Monitor

RUBI profiles as a declining stock while SBLK is a growth play — different risk/reward profiles.

SBLK is growing revenue faster at 21.9% — sustainability is the question.

SBLK generates stronger free cash flow (92M), providing more financial flexibility.

Monitor MARINE SHIPPING industry trends, competitive dynamics, and regulatory changes.

Bottom Line

SBLK scores higher overall (68/100 vs 50/100) and 21.9% revenue growth. Both earn "Strong Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Rubico Inc. Common Stock

INDUSTRIALS · MARINE SHIPPING · USA

Rubicon Project, Inc. provides technology solutions to automate the buying and selling of digital advertising inventory for buyers and sellers in the United States and internationally. The company is headquartered in Los Angeles, California.

Star Bulk Carriers Corp

INDUSTRIALS · MARINE SHIPPING · USA

Star Bulk Carriers Corp. The company is headquartered in Maroussi, Greece.

Visit Website →

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