WallStSmart

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

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Star Bulk Carriers Corp generates 4332% more annual revenue ($1.04B vs $23.52M). RUBI leads profitability with a 11.2% profit margin vs 8.1%. SBLK earns a higher WallStSmart Score of 56/100 (C).

RUBI

Hold

50

out of 100

Grade: D+

Growth: 4.7Profit: 6.5Value: 6.7Quality: 5.0
Piotroski: 5/9Altman Z: 1.16

SBLK

Buy

56

out of 100

Grade: C

Growth: 4.7Profit: 6.0Value: 9.3Quality: 6.0
Piotroski: 2/9Altman Z: 1.17
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

RUBIUndervalued (+99.9%)

Margin of Safety

+99.9%

Fair Value

$2602.70

Current Price

$0.60

$2602.10 discount

UndervaluedFair: $2602.70Overvalued
SBLKUndervalued (+27.9%)

Margin of Safety

+27.9%

Fair Value

$33.23

Current Price

$22.86

$10.37 discount

UndervaluedFair: $33.23Overvalued

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%

SBLK3 strengths · Avg: 9.3/10
Price/BookValuation
1.1x10/10

Reasonable price relative to book value

EPS GrowthGrowth
59.6%10/10

Earnings expanding 59.6% YoY

Operating MarginProfitability
26.7%8/10

Strong operational efficiency at 26.7%

Areas to Watch

RUBI4 concerns · Avg: 3.0/10
EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Market CapQuality
$2.55M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
6.6%3/10

ROE of 6.6% — below average capital efficiency

Revenue GrowthGrowth
-5.1%2/10

Revenue declined 5.1%

SBLK4 concerns · Avg: 3.5/10
PEG RatioValuation
1.954/10

Expensive relative to growth rate

P/E RatioValuation
32.2x4/10

Premium valuation, high expectations priced in

Return on EquityProfitability
3.4%3/10

ROE of 3.4% — below average capital efficiency

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

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.

Bear Case : RUBI

The primary concerns for RUBI are EPS Growth, Market Cap, Return on Equity.

Bear Case : SBLK

The primary concerns for SBLK are PEG Ratio, P/E Ratio, Return on Equity.

Key Dynamics to Monitor

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

SBLK is growing revenue faster at -2.7% — sustainability is the question.

SBLK generates stronger free cash flow (40M), providing more financial flexibility.

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

Bottom Line

SBLK scores higher overall (56/100 vs 50/100). RUBI offers better value entry with a 99.9% margin of safety. Both earn "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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