Stock vs Stock Comparison

Canadian Solar Inc. vs Applied Optoelectronics, Inc.

AAOI wins the Tale of the Tape 4–2.

CSIQ
AAOI$184.07

🏆 Tale of the Tape

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CSIQAAOI
-1.9%Profitability (Net Margin)-8.4%
0.3%Efficiency (ROIC)-3.8%
1/9Health (Piotroski F)4/9
-6.7%Growth (Rev YoY)82.8%
Risk (Sharpe 1Y)2.40
2.55xBalance Sheet (D/E)0.59x

Green = winner in each category. Higher is better except P/E (lower = cheaper).

Fundamentals

MetricCSIQAAOI
Market Cap$12.7B
P/E Ratio
Forward P/E33.2x
P/B11.31x
Dividend Yield
Beta3.76

Quantitative Metrics

MetricCSIQAAOI
DCF Fair Value
DCF Upside
Piotroski F1/94/9
Altman Z
Beneish M-2.43-0.61
FCF Yield
Net Debt/EBITDA4.1x
ROIC0.3%-3.8%
WACC
ROIC – WACC
Gross Margin18.3%30.0%
Net Margin-1.9%-8.4%
Rev Growth YoY-6.7%82.8%
Sharpe (1Y)2.40
Max Drawdown 3Y-77.2%
FCF Payout Ratio

CSIQ Price

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AAOI Price

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ETF Exposure

CSIQ found in:

GWX0.06%
SPDW0.00%

AAOI found in:

XTL3.89%
VTWO0.32%
VXF0.13%
VGT0.11%
VFMO0.09%

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Quant metrics computed from financial statements and 1,200+ trading days. Correlation is Pearson coefficient on daily log returns. Not investment advice.

CSIQ vs AAOI: Head-to-Head Analysis

Canadian Solar Inc. (CSIQ) and Applied Optoelectronics, Inc. (AAOI) represent two companies in the Technology sector. In our quantitative Tale of the Tape scoring, AAOI leads 4–2 across nine fundamental and risk metrics including profitability, valuation, capital efficiency, and financial health.

In terms of capital efficiency, CSIQ generates a return on invested capital (ROIC) of 0.3% compared to AAOI's -3.8%. This suggests CSIQ is more effective at deploying capital to generate shareholder returns.

CSIQ appears in 2 ETFs tracked by SecuritiesDB, while AAOI appears in 5 ETFs. Investors holding broad-market ETFs may already have indirect exposure to both stocks.

Frequently Asked Questions

Which stock is the better investment, CSIQ or AAOI?

Our quantitative analysis compares CSIQ and AAOI across nine fundamental dimensions. AAOI wins the Tale of the Tape 4–2. However, stock selection depends on your individual risk tolerance, time horizon, and portfolio context. These metrics are computed from SEC filings and market data — they are not investment recommendations.

Are CSIQ and AAOI correlated?

Correlation data is not yet available for this pair. Check back after both stocks have sufficient trading history.

How is the Tale of the Tape scored?

The Tale of the Tape compares both stocks across nine categories: profitability (net margin), valuation (P/E), efficiency (ROIC), health (Piotroski F-Score), safety (Altman Z-Score), growth (revenue YoY), risk (Sharpe ratio), leverage (debt-to-equity), and cash generation (FCF yield). The stock that wins more categories takes the overall score. Lower P/E and lower debt-to-equity count as wins.