Stock vs Stock Comparison

Applied Optoelectronics, Inc. vs ACI Worldwide, Inc.

ACIW wins the Tale of the Tape 6–3.

AAOI$184.07
ACIW

🏆 Tale of the Tape

36
AAOIACIW
-8.4%Profitability (Net Margin)12.9%
Valuation (P/E)18.9x
-3.8%Efficiency (ROIC)12.0%
4/9Health (Piotroski F)7/9
Safety (Altman Z)3.5
82.8%Growth (Rev YoY)10.4%
2.40Risk (Sharpe 1Y)
0.59xBalance Sheet (D/E)1.04x
FCF Yield6.05%

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

Fundamentals

MetricAAOIACIW
Market Cap$12.7B$4.2B
P/E Ratio18.9x
Forward P/E33.2x10.8x
P/B11.31x2.76x
Dividend Yield
Beta3.761.03

Quantitative Metrics

MetricAAOIACIW
DCF Fair Value$67.87
DCF Upside
Piotroski F4/97/9
Altman Z3.51
Beneish M-0.61-2.54
FCF Yield6.05%
Net Debt/EBITDA1.2x
ROIC-3.8%12.0%
WACC10.1%
ROIC – WACC1.9pp
Gross Margin30.0%49.0%
Net Margin-8.4%12.9%
Rev Growth YoY82.8%10.4%
Sharpe (1Y)2.40
Max Drawdown 3Y-77.2%
FCF Payout Ratio

AAOI Price

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ACIW Price

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ETF Exposure

AAOI found in:

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

ACIW found in:

XSW0.72%
SLYG0.35%
SPSM0.26%
SLYV0.18%
VBK0.13%
VTWO0.13%
VFVA0.11%
VGT0.08%
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 ACIW: Head-to-Head Analysis

Applied Optoelectronics, Inc. (AAOI) and ACI Worldwide, Inc. (ACIW) represent two companies in the Technology sector. In our quantitative Tale of the Tape scoring, ACIW leads 6–3 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 ACIW's 12.0%. This suggests ACIW is more effective at deploying capital to generate shareholder returns.

AAOI appears in 5 ETFs tracked by SecuritiesDB, while ACIW appears in 9 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 ACIW?

Our quantitative analysis compares AAOI and ACIW across nine fundamental dimensions. ACIW wins the Tale of the Tape 6–3. 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 ACIW 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.