Stock vs Stock Comparison

First Solar, Inc. vs Applied Optoelectronics, Inc.

FSLR wins the Tale of the Tape 7–2.

FSLR$318.25
AAOI$184.07

🏆 Tale of the Tape

72
FSLRAAOI
29.3%Profitability (Net Margin)-8.4%
19.8xValuation (P/E)
11.6%Efficiency (ROIC)-3.8%
7/9Health (Piotroski F)4/9
5.3Safety (Altman Z)
24.1%Growth (Rev YoY)82.8%
0.93Risk (Sharpe 1Y)2.40
0.40xBalance Sheet (D/E)0.59x
6.14%FCF Yield

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

Rolling Correlation

0.323
252-Day Correlation
0.334
126-Day Correlation

Moderately correlated — some diversification benefit from holding both.

Fundamentals

MetricFSLRAAOI
Market Cap$33.0B$12.7B
P/E Ratio19.8x
Forward P/E13.1x33.2x
P/B3.34x11.31x
Dividend Yield
Beta1.563.76

Quantitative Metrics

MetricFSLRAAOI
DCF Fair Value$130.68
DCF Upside-34.8%
Piotroski F7/94/9
Altman Z5.32
Beneish M-2.52-0.61
FCF Yield6.14%
Net Debt/EBITDA-1.2x
ROIC11.6%-3.8%
WACC14.5%
ROIC – WACC-2.9pp
Gross Margin40.6%30.0%
Net Margin29.3%-8.4%
Rev Growth YoY24.1%82.8%
Sharpe (1Y)0.932.40
Max Drawdown 3Y-77.2%
FCF Payout Ratio

FSLR Price

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AAOI Price

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ETF Exposure

FSLR found in:

XSD1.97%
VBK0.30%
VOT0.24%
ONEO0.20%
XLK0.18%
RSP0.17%
QUS0.16%
VGT0.15%
VB0.13%
VFMO0.11%
VO0.10%
SPYG0.08%
SCHV0.07%
IWD0.07%
VONV0.06%
VUG0.05%
IVV0.05%
SPLG0.04%
ITOT0.04%
SPY0.04%
VOO0.04%
ESGV0.04%
SPTM0.04%
SCHX0.03%
SCHB0.03%
VONE0.03%
VTI0.03%
ACWI0.02%
URTH0.02%

AAOI found in:

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

More Comparisons

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

FSLR vs AAOI: Head-to-Head Analysis

First Solar, Inc. (FSLR) and Applied Optoelectronics, Inc. (AAOI) represent two companies in the Technology sector. In our quantitative Tale of the Tape scoring, FSLR leads 7–2 across nine fundamental and risk metrics including profitability, valuation, capital efficiency, and financial health.

In terms of capital efficiency, FSLR generates a return on invested capital (ROIC) of 11.6% compared to AAOI's -3.8%. This suggests FSLR is more effective at deploying capital to generate shareholder returns.

The 252-day rolling correlation between FSLR and AAOI is 0.323, indicating moderate co-movement, with some diversification value from holding both in a portfolio context.

FSLR appears in 29 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, FSLR or AAOI?

Our quantitative analysis compares FSLR and AAOI across nine fundamental dimensions. FSLR wins the Tale of the Tape 7–2. 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 FSLR and AAOI correlated?

The 252-day correlation between FSLR and AAOI is 0.323. They show moderate correlation — partially diversifying.

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.