CarMax Inc (KMX)vsMagnite Inc (MGNI)
KMX
CarMax Inc
$40.34
+1.08%
CONSUMER CYCLICAL · Cap: $5.66B
MGNI
Magnite Inc
$14.13
+0.93%
COMMUNICATION SERVICES · Cap: $2.01B
Smart Verdict
WallStSmart Research — data-driven comparison
CarMax Inc generates 3788% more annual revenue ($27.76B vs $713.95M). MGNI leads profitability with a 20.3% profit margin vs 0.9%. MGNI appears more attractively valued with a PEG of 0.09. MGNI earns a higher WallStSmart Score of 77/100 (B+).
KMX
Buy52
out of 100
Grade: C-
MGNI
Strong Buy77
out of 100
Grade: B+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+83.0%
Fair Value
$270.07
Current Price
$40.34
$229.73 discount
Margin of Safety
+54.1%
Fair Value
$25.69
Current Price
$14.13
$11.56 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Growing faster than its price suggests
Reasonable price relative to book value
Growing faster than its price suggests
Earnings expanding 230.0% YoY
Keeps 20 of every $100 in revenue as profit
Attractively priced relative to earnings
Reasonable price relative to book value
Strong operational efficiency at 25.4%
Areas to Watch
Distress zone — elevated risk
ROE of 4.1% — below average capital efficiency
0.9% margin — thin
Operating margin of 1.8%
Negative free cash flow — burning cash
Comparative Analysis Report
WallStSmart ResearchBull Case : KMX
The strongest argument for KMX centers on PEG Ratio, Price/Book. PEG of 0.38 suggests the stock is reasonably priced for its growth.
Bull Case : MGNI
The strongest argument for MGNI centers on PEG Ratio, EPS Growth, Profit Margin. Profitability is solid with margins at 20.3% and operating margin at 25.4%. PEG of 0.09 suggests the stock is reasonably priced for its growth.
Bear Case : KMX
The primary concerns for KMX are Altman Z-Score, Return on Equity, Profit Margin. Debt-to-equity of 2.75 is elevated, increasing financial risk. Thin 0.9% margins leave little buffer for downturns.
Bear Case : MGNI
The primary concerns for MGNI are Free Cash Flow.
Key Dynamics to Monitor
KMX profiles as a value stock while MGNI is a mature play — different risk/reward profiles.
MGNI carries more volatility with a beta of 2.32 — expect wider price swings.
MGNI is growing revenue faster at 5.9% — sustainability is the question.
MGNI generates stronger free cash flow (-130M), providing more financial flexibility.
Bottom Line
MGNI scores higher overall (77/100 vs 52/100), backed by strong 20.3% margins. KMX offers better value entry with a 83.0% margin of safety. Both earn "Strong Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
CarMax Inc
CONSUMER CYCLICAL · AUTO & TRUCK DEALERSHIPS · USA
CarMax is a used vehicle retailer based in the United States. It operates two business segments: CarMax Sales Operations and CarMax Auto Finance.
Visit Website →Magnite Inc
COMMUNICATION SERVICES · ADVERTISING AGENCIES · USA
Magnite, Inc. operates an independent sales advertising platform in the United States and internationally. The company is headquartered in Los Angeles, California.
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