WEX vs ACIW vs CPAY Stock Comparison

Wex, Aci Worldwide and Corpay Prices as of Oct 29, 2026 Peers: Industry group
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WEX WEX Inc.
$183.29 +6.9% 1M +19.0% 1Y
Market cap
$6.10B
P/E
15.4x
Revenue (TTM)
$2.88B
Div. yield
–
Payment Processing Technology
3 wins
ACIW Aci Worldwide, Inc.
$55.70 +14.6% 1M +17.7% 1Y
Market cap
$5.64B
P/E
25.1x
Revenue (TTM)
$1.82B
Div. yield
–
Payment Processing Technology
4 wins
CPAY Corpay, Inc.
$397.81 +1.3% 1M +48.4% 1Y
Market cap
$26.12B
P/E
22.9x
Revenue (TTM)
$5.02B
Div. yield
–
Payment Processing Technology
4 wins

Head to Head

11 decided of 12

Corpay leads on 4 of the 12 questions below (Corpay 4, Aci Worldwide 4, Wex 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionWEXACIWCPAYLeader
Larger companyMarket capitalisation $6.10B $5.64B $26.12B CPAY
Cheaper on earningsLower P/E, profitable companies only 15.4x 25.1x 22.9x WEX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 8.6x 20.1x 15.2x WEX
Faster revenue growthRevenue growth, trailing twelve months +9.7% +7.0% +20.4% CPAY
More profitableNet margin, trailing twelve months 14.0% 12.4% 22.7% CPAY
Better return on capitalReturn on invested capital 8.5% 10.8% 10.7% ACIW
Less leveragedLower net debt / EBITDA 0.0x 1.9x 2.8x WEX
Higher dividend yieldTrailing dividend yield — — — –
Better 1-year returnPrice return, last 12 months +19.0% +17.7% +48.4% CPAY
Better 5-year returnAnnualised price return, 5 years +4.1%/yr +12.7%/yr +10.0%/yr ACIW
Less volatileAnnualised volatility, 1 year 41.6% 34.6% 35.9% ACIW
Higher overall scoreMean of the five percentile scores vs peers 55/100 66/100 61/100 ACIW

Percentile Scorecard

WEXACIWCPAY

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisWEXACIWCPAY
Valuation 60 #40 of 99 75 #26 of 99 57 #43 of 99
Growth 43 #54 of 94 69 #30 of 94 58 #40 of 94
Profitability 71 #27 of 90 78 #21 of 90 90 #10 of 90
Financial Health 34 #70 of 105 60 #43 of 105 22 #82 of 105
Shareholder Returns 68 #20 of 60 49 #31 of 60 80 #13 of 60
Overall 55 66 61
  • WEX ranked among 109 companies in Fintech
  • ACIW ranked among 109 companies in Fintech
  • CPAY ranked among 109 companies in Fintech

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodWEXACIWCPAYSPY
1 month +6.9%+14.6%+1.3% +0.7%
3 months -1.7%-3.4%+2.0% +3.7%
6 months +21.9%+28.9%+29.8% +7.1%
Year to date +23.0%+16.5%+32.2% +12.8%
1 year +19.0%+17.7%+48.4% +11.9%
3 years +12.1%+179.6%+78.7% +85.2%
3 years, per year +3.9%+40.9%+21.4% +22.8%
5 years +22.4%+81.6%+60.8% +67.6%
5 years, per year +4.1%+12.7%+10.0% +10.9%
10 years +62.3%+201.1%+128.7% +262.0%
10 years, per year +5.0%+11.7%+8.6% +13.7%

Risk

MeasureWEXACIWCPAYSPY
Volatility, 1Y 41.6%34.6%35.9% 12.7%
Downside volatility, 1Y 44.7%36.1%32.8% 12.6%
Beta vs S&P 500, 1Y 0.300.350.81 1.00
Return / volatility, 1Y 0.460.511.35 0.94
Max drawdown, 5Y -53.2%-44.2%-37.3% -25.4%
From 52-week high -9.8%-7.4%-6.4% -1.2%
52-week high $203.22$60.18$425.23 $779.14
52-week low $126.86$38.47$255.00 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleWEXACIWCPAY
P/E now vs peer median 15.4xmedian 19.5x 25.1xmedian 19.5x 22.9xmedian 19.5x
P/S now vs peer median 2.1xmedian 2.2x 3.1xmedian 2.2x 5.2xmedian 2.2x
EV/EBITDA now vs peer median 5.6xmedian 17.8x 17.8xmedian 17.8x 12.6xmedian 17.8x
P/FCF now vs peer median -21.0xmedian 16.1x 18.1xmedian 16.1x 15.9xmedian 16.1x
P/B now vs peer median 5.3xmedian 2.0x 3.8xmedian 2.0x 7.3xmedian 2.0x
PEG now vs peer median 0.66median 0.98 0.52median 0.98 1.97median 0.98

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsWEXACIWCPAY
Revenue $2.88B $1.82B $5.02B
Gross profit $1.74B $893.35M –
Operating income $766.50M $338.68M $2.20B
Net income $404.60M $225.69M $1.15B
Free cash flow -$291.30M $311.41M $1.64B
R&D – $179.52M –
EPS (diluted) $11.69 $2.22 $17.20
Cash & equivalents $593.20M $167.40M $3.16B
Total debt $5.32B $822.18M $39.11B
Shares (diluted) 34.60M 101.68M 66.33M
Enterprise value -$15.91B $4.91B $16.32B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricWEXACIWCPAY
P/E 15.4x 25.1x 22.9x
P/FCF -21.0x 18.1x 15.9x
P/Operating cash flow -48.9x 17.1x 14.1x
P/S 2.1x 3.1x 5.2x
P/B 5.3x 3.8x 7.3x
P/Tangible book 42.4x 3.8x 39.1x
EV/EBITDA 5.6x 17.8x 12.6x
EV/EBIT 8.0x 18.6x 15.3x
EV/Revenue 2.1x 3.5x 6.7x
EV/FCF -21.1x 20.2x 20.5x
EV/Operating cash flow -49.3x 19.1x 18.2x
PEG (3Y EPS CAGR) 0.66 0.52 1.97

Growth

14 metrics
MetricWEXACIWCPAY
Revenue growth (1Y) 9.7% 7.0% 20.4%
Revenue CAGR (3Y) 4.8% 9.9% 11.5%
Gross profit growth (1Y) 12.2% 4.5% –
Gross profit CAGR (3Y) 4.3% 10.6% –
Operating income growth (1Y) 17.0% 0.1% 17.9%
Operating income CAGR (3Y) 6.0% 34.9% 12.4%
Net income growth (1Y) 42.6% -10.1% 9.4%
Net income CAGR (3Y) 14.4% 44.8% 7.4%
EPS growth (1Y) 43.4% -7.1% 17.0%
EPS CAGR (3Y) 23.4% 48.0% 11.6%
Operating cash flow growth (1Y) -115.7% 6.9% -12.7%
Operating cash flow CAGR (3Y) -29.5% 35.3% 0.6%
Free cash flow growth (1Y) -144.3% 6.0% -15.0%
Free cash flow CAGR (3Y) -35.8% 37.8% -0.2%

Profitability

14 metrics
MetricWEXACIWCPAY
Gross margin 60.4% 49.1% –
EBITDA margin 38.1% 19.4% 53.0%
Operating margin 26.6% 18.6% 43.7%
Pretax margin 19.3% 16.8% 33.3%
Net margin 14.0% 12.4% 22.7%
FCF margin -10.1% 17.1% 32.6%
Operating cash flow margin -4.3% 18.1% 36.8%
Return on equity 32.4% 15.1% 32.2%
Return on assets 2.5% 7.3% 4.2%
Return on invested capital 8.5% 10.8% 10.7%
Return on capital employed 15.0% 14.3% 20.9%
Asset turnover 0.2x 0.6x 0.2x
Cash conversion (OCF / net income) -0.3x 1.5x 1.6x
Stock comp / revenue 4.5% 4.3% 2.3%

Financial Health

11 metrics
MetricWEXACIWCPAY
Debt / assets 32.9% 26.6% 37.6%
Debt / equity 4.6x 0.5x 3.0x
Net debt / EBITDA 0.0x 1.9x 2.8x
Debt / FCF -18.3x 2.6x 6.5x
Liabilities / assets 92.9% 51.6% 87.3%
Equity / assets 7.1% 48.4% 12.7%
Interest coverage 3.5x 6.4x 5.0x
Current ratio 1.0x 1.6x 1.0x
Quick ratio 0.9x 2.0x 0.5x
Cash ratio 0.5x 0.2x 0.2x
Altman Z-score 0.83 4.09 1.59

Shareholder Returns

7 metrics
MetricWEXACIWCPAY
Dividend yield – – –
Net buyback yield 4.4% 2.9% 6.5%
Shareholder yield 4.4% 2.9% 6.5%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusWEXACIWCPAY
Forward P/E 8.6xFY2026 20.1xFY2026 15.2xFY2026
EPS, next fiscal year $21.31FY2026 $2.77FY2026 $26.14FY2026
EPS growth, next FY +32.4%FY2026 +28.2%FY2026 +22.3%FY2026
EPS growth, the year after -6.7% +12.6% +17.2%
Revenue, next fiscal year $2.97BFY2026 $1.81BFY2026 $5.64BFY2026
Revenue growth, next FY +11.5%FY2026 +3.0%FY2026 +25.3%FY2026
Revenue growth, the year after -3.1% +20.2% +8.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersWEXACIWCPAY
Held by institutions 100.0% 100.0% 97.9%
Institutions holding 418 379 733
Change in shares held, QoQ +2.5% +3.5% +0.8%
Institutions buying 189 198 390
Institutions selling 166 131 240
Buyers to sellers 1.14 1.51 1.63

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

WEXACIWCPAY
WEX 1.00 0.42 0.51
ACIW 0.42 1.00 0.38
CPAY 0.51 0.38 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, WEX, ACIW and CPAY?

Corpay (CPAY) is the largest by market capitalisation: Wex (WEX) $6.10B, Aci Worldwide (ACIW) $5.64B, Corpay (CPAY) $26.12B.

Which stock is cheaper, WEX, ACIW and CPAY?

Wex (WEX) trades on the lowest price-to-earnings ratio (Wex (WEX) 15.4x, Aci Worldwide (ACIW) 25.1x, Corpay (CPAY) 22.9x). On next year's consensus earnings, Wex (WEX) is cheapest (Wex (WEX) 8.6x, Aci Worldwide (ACIW) 20.1x, Corpay (CPAY) 15.2x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Corpay (CPAY) grew revenue fastest over the trailing twelve months: Wex (WEX) +9.7%, Aci Worldwide (ACIW) +7.0%, Corpay (CPAY) +20.4%.

Which company is more profitable?

Corpay (CPAY) has the highest net margin (Wex (WEX) 14.0%, Aci Worldwide (ACIW) 12.4%, Corpay (CPAY) 22.7%). On return on invested capital, Aci Worldwide (ACIW) leads (Wex (WEX) 8.5%, Aci Worldwide (ACIW) 10.8%, Corpay (CPAY) 10.7%).

Which stock has performed better?

Over the past year Corpay (CPAY) returned the most: Wex (WEX) +19.0%, Aci Worldwide (ACIW) +17.7%, Corpay (CPAY) +48.4%. Over five years, Aci Worldwide (ACIW) compounded fastest (Wex (WEX) +4.1%/yr, Aci Worldwide (ACIW) +12.7%/yr, Corpay (CPAY) +10.0%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Aci Worldwide (ACIW) has been the steadiest (Wex (WEX) 41.6%, Aci Worldwide (ACIW) 34.6%, Corpay (CPAY) 35.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, WEX, ACIW and CPAY?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Corpay (CPAY) leads on 4. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.