Stock vs Stock Comparison

Applied Optoelectronics, Inc. vs Axcelis Technologies, Inc.

ACLS wins the Tale of the Tape 7–2.

AAOI$184.07
ACLS

🏆 Tale of the Tape

27
AAOIACLS
-8.4%Profitability (Net Margin)14.3%
Valuation (P/E)24.1x
-3.8%Efficiency (ROIC)9.8%
4/9Health (Piotroski F)5/9
Safety (Altman Z)7.3
82.8%Growth (Rev YoY)-17.6%
2.40Risk (Sharpe 1Y)
0.59xBalance Sheet (D/E)0.32x
FCF Yield3.95%

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

Fundamentals

MetricAAOIACLS
Market Cap$12.7B$2.8B
P/E Ratio24.1x
Forward P/E33.2x20.3x
P/B11.31x2.72x
Dividend Yield
Beta3.761.76

Quantitative Metrics

MetricAAOIACLS
DCF Fair Value$24.44
DCF Upside
Piotroski F4/95/9
Altman Z7.31
Beneish M-0.61-2.07
FCF Yield3.95%
Net Debt/EBITDA-0.6x
ROIC-3.8%9.8%
WACC15.4%
ROIC – WACC-5.7pp
Gross Margin30.0%44.9%
Net Margin-8.4%14.3%
Rev Growth YoY82.8%-17.6%
Sharpe (1Y)2.40
Max Drawdown 3Y-77.2%
FCF Payout Ratio

AAOI Price

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ACLS Price

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ETF Exposure

AAOI found in:

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

ACLS found in:

SLY0.59%
SLYG0.36%
SPSM0.28%
SLYV0.20%
VTWO0.13%
VBR0.10%
VGT0.07%
SPTM0.01%

More Comparisons

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

AAOI vs ACLS: Head-to-Head Analysis

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

In terms of capital efficiency, AAOI generates a return on invested capital (ROIC) of -3.8% compared to ACLS's 9.8%. This suggests ACLS is more effective at deploying capital to generate shareholder returns.

AAOI appears in 5 ETFs tracked by SecuritiesDB, while ACLS appears in 8 ETFs. Investors holding broad-market ETFs may already have indirect exposure to both stocks.

Frequently Asked Questions

Which stock is the better investment, AAOI or ACLS?

Our quantitative analysis compares AAOI and ACLS across nine fundamental dimensions. ACLS 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 AAOI and ACLS 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.