ACIW vs CPAY vs FOUR Stock Comparison

Aci Worldwide, Corpay and Shift4 Payments Prices as of Nov 5, 2026 Peers: Industry group
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ACIW Aci Worldwide, Inc.
$59.52 +17.4% 1M +23.4% 1Y
Market cap
$6.05B
P/E
36.2x
Revenue (TTM)
$1.76B
Div. yield
–
Payment Processing Technology
3 wins
CPAY Corpay, Inc.
$446.09 +9.7% 1M +70.5% 1Y
Market cap
$29.86B
P/E
24.1x
Revenue (TTM)
$5.23B
Div. yield
–
Payment Processing Technology
5 wins
FOUR Shift4 Payments, Inc.
$42.81 +11.3% 1M -36.3% 1Y
Market cap
$6.80B
P/E
128.3x
Revenue (TTM)
$4.92B
Div. yield
–
Payment Processing Technology
3 wins

Head to Head

11 decided of 12

Corpay leads on 5 of the 12 questions below (Corpay 5, Shift4 Payments 3, Aci Worldwide 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionACIWCPAYFOURLeader
Larger companyMarket capitalisation $6.05B $29.86B $6.80B CPAY
Cheaper on earningsLower P/E, profitable companies only 36.2x 24.1x 128.3x CPAY
Cheaper on forward earningsLower price / next fiscal year consensus EPS 21.5x 17.1x 7.8x FOUR
Faster revenue growthRevenue growth, trailing twelve months +1.9% +21.2% +27.0% FOUR
More profitableNet margin, trailing twelve months 9.5% 23.7% 1.1% CPAY
Better return on capitalReturn on invested capital 8.2% 11.4% 4.9% CPAY
Less leveragedLower net debt / EBITDA 2.1x 2.9x 4.5x ACIW
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +23.4% +70.5% -36.3% CPAY
Better 5-year returnAnnualised price return, 5 years +13.0%/yr +12.8%/yr -6.7%/yr ACIW
Less volatileAnnualised volatility, 1 year 34.8% 36.1% 66.4% ACIW
Higher overall scoreMean of the five percentile scores vs peers 67/100 62/100 67/100 FOUR

Percentile Scorecard

ACIWCPAYFOUR

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

AxisACIWCPAYFOUR
Valuation 72 #28 of 99 53 #47 of 99 84 #17 of 99
Growth 59 #39 of 94 62 #36 of 94 70 #29 of 94
Profitability 81 #18 of 90 90 #10 of 90 70 #28 of 90
Financial Health 60 #43 of 105 21 #83 of 105 23 #81 of 105
Shareholder Returns 61 #25 of 62 82 #12 of 62 89 #8 of 62
Overall 67 62 67
  • ACIW ranked among 109 companies in Fintech
  • CPAY ranked among 109 companies in Fintech
  • FOUR ranked among 109 companies in Fintech

Price Performance

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

Returns

PeriodACIWCPAYFOURSPY
1 month +17.4%+9.7%+11.3% -5.9%
3 months +7.8%+11.9%-1.3% -4.6%
6 months +27.6%+45.9%-8.6% +0.2%
Year to date +24.5%+48.2%-32.0% +7.5%
1 year +23.4%+70.5%-36.3% +8.2%
3 years +147.0%+91.1%-8.1% +68.3%
3 years, per year +35.2%+24.1%-2.8% +19.0%
5 years +84.0%+82.3%-29.4% +56.5%
5 years, per year +13.0%+12.8%-6.7% +9.4%
10 years +249.9%+197.3%— +251.5%
10 years, per year +13.3%+11.5%— +13.4%

Risk

MeasureACIWCPAYFOURSPY
Volatility, 1Y 34.8%36.1%66.4% 13.6%
Downside volatility, 1Y 36.4%32.1%69.8% 14.2%
Beta vs S&P 500, 1Y 0.270.521.32 1.00
Return / volatility, 1Y 0.671.95-0.55 0.60
Max drawdown, 5Y -44.2%-37.3%-71.7% -25.4%
From 52-week high -1.1%0.0%-42.0% -5.9%
52-week high $60.18$446.09$73.78 $779.14
52-week low $38.47$261.69$35.57 $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.

MultipleACIWCPAYFOUR
P/E now vs peer median 35.9xmedian 22.5x 23.6xmedian 22.5x 125.2xmedian 22.5x
P/S now vs peer median 3.4xmedian 2.1x 5.5xmedian 2.1x 1.3xmedian 2.1x
EV/EBITDA now vs peer median 23.6xmedian 23.6x 13.3xmedian 23.6x 11.4xmedian 23.6x
P/FCF now vs peer median 16.7xmedian 17.3x 21.6xmedian 17.3x 13.5xmedian 17.3x
P/B now vs peer median 4.0xmedian 1.7x 8.6xmedian 1.7x 4.2xmedian 1.7x
PEG now vs peer median 1.37median 0.64 1.73median 0.64 -4.59median 0.64

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 monthsACIWCPAYFOUR
Revenue $1.76B $5.23B $4.92B
Gross profit $829.54M – $1.75B
Operating income $263.34M $2.29B $403.00M
Net income $166.97M $1.25B $129.00M
Free cash flow $358.12M $1.33B $492.00M
R&D $187.08M – –
EPS (diluted) $1.65 $18.70 $0.68
Cash & equivalents $218.78M $3.07B $1.24B
Total debt $816.96M $11.23B $5.48B
Shares (diluted) 101.32M 66.39M 78.21M
Enterprise value $5.31B $18.68B $3.77B

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
MetricACIWCPAYFOUR
P/E 35.9x 23.6x 125.2x
P/FCF 16.7x 21.6x 13.5x
P/Operating cash flow 15.9x 18.8x 10.3x
P/S 3.4x 5.5x 1.3x
P/B 4.0x 8.6x 4.2x
P/Tangible book 4.0x 58.3x -5.1x
EV/EBITDA 23.6x 13.3x 11.4x
EV/EBIT 25.0x 16.1x 27.0x
EV/Revenue 3.7x 7.1x 2.2x
EV/FCF 18.4x 27.7x 22.1x
EV/Operating cash flow 17.5x 24.1x 16.9x
PEG (3Y EPS CAGR) 1.37 1.73 -4.59

Growth

14 metrics
MetricACIWCPAYFOUR
Revenue growth (1Y) 1.9% 21.2% 27.0%
Revenue CAGR (3Y) 7.3% 12.2% 27.1%
Gross profit growth (1Y) -3.5% – 38.2%
Gross profit CAGR (3Y) 5.2% – 40.0%
Operating income growth (1Y) -23.3% 19.6% 30.4%
Operating income CAGR (3Y) 10.3% 12.7% 50.9%
Net income growth (1Y) -36.0% 19.1% -44.8%
Net income CAGR (3Y) 23.3% 9.6% -3.2%
EPS growth (1Y) -34.4% 26.5% -27.9%
EPS CAGR (3Y) 26.3% 13.6% -27.3%
Operating cash flow growth (1Y) 14.8% 14.5% 18.7%
Operating cash flow CAGR (3Y) 44.7% -3.5% 15.0%
Free cash flow growth (1Y) 14.5% 16.6% 18.2%
Free cash flow CAGR (3Y) 47.7% -4.7% 13.9%

Profitability

14 metrics
MetricACIWCPAYFOUR
Gross margin 47.0% – 35.5%
EBITDA margin 15.8% 53.1% 19.3%
Operating margin 14.9% 43.9% 8.2%
Pretax margin 13.1% 33.5% 3.2%
Net margin 9.5% 23.7% 1.1%
FCF margin 20.3% 25.5% 10.0%
Operating cash flow margin 21.3% 29.2% 13.0%
Return on equity 11.2% 36.2% 7.8%
Return on assets 5.4% 4.5% 1.4%
Return on invested capital 8.2% 11.4% 4.9%
Return on capital employed 11.2% 20.6% 5.9%
Asset turnover 0.6x 0.2x 0.5x
Cash conversion (OCF / net income) 2.3x 1.2x 5.0x
Stock comp / revenue 4.5% 2.3% 1.8%

Financial Health

11 metrics
MetricACIWCPAYFOUR
Debt / assets 26.1% 40.0% 57.9%
Debt / equity 0.5x 3.4x 3.5x
Net debt / EBITDA 2.1x 2.9x 4.5x
Debt / FCF 2.3x 8.4x 11.1x
Liabilities / assets 52.2% 88.1% 83.4%
Equity / assets 47.8% 11.9% 16.6%
Interest coverage 5.2x 5.1x 1.5x
Current ratio 1.6x 1.0x 1.2x
Quick ratio 1.9x 0.5x 1.2x
Cash ratio 0.3x 0.2x 0.5x
Altman Z-score 4.07 1.68 1.13

Shareholder Returns

7 metrics
MetricACIWCPAYFOUR
Dividend yield – – –
Net buyback yield 3.3% 7.4% 12.3%
Shareholder yield 3.3% 7.4% 12.3%
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.

ConsensusACIWCPAYFOUR
Forward P/E 21.5xFY2026 17.1xFY2026 7.8xFY2026
EPS, next fiscal year $2.77FY2026 $26.14FY2026 $5.49FY2026
EPS growth, next FY +28.2%FY2026 +22.3%FY2026 +6.2%FY2026
EPS growth, the year after +12.6% +17.3% +8.4%
Revenue, next fiscal year $1.81BFY2026 $5.64BFY2026 $2.44BFY2026
Revenue growth, next FY +3.0%FY2026 +25.3%FY2026 +23.2%FY2026
Revenue growth, the year after +20.2% +8.3% +6.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersACIWCPAYFOUR
Held by institutions 100.0% 97.9% 87.4%
Institutions holding 380 733 358
Change in shares held, QoQ +3.5% +0.8% -2.3%
Institutions buying 198 390 187
Institutions selling 132 240 142
Buyers to sellers 1.50 1.63 1.32

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.

ACIWCPAYFOUR
ACIW 1.00 0.37 0.46
CPAY 0.37 1.00 0.35
FOUR 0.46 0.35 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ACIW, CPAY and FOUR?

Corpay (CPAY) is the largest by market capitalisation: Aci Worldwide (ACIW) $6.05B, Corpay (CPAY) $29.86B, Shift4 Payments (FOUR) $6.80B.

Which stock is cheaper, ACIW, CPAY and FOUR?

Corpay (CPAY) trades on the lowest price-to-earnings ratio (Aci Worldwide (ACIW) 36.2x, Corpay (CPAY) 24.1x, Shift4 Payments (FOUR) 128.3x). On next year's consensus earnings, Shift4 Payments (FOUR) is cheapest (Aci Worldwide (ACIW) 21.5x, Corpay (CPAY) 17.1x, Shift4 Payments (FOUR) 7.8x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Shift4 Payments (FOUR) grew revenue fastest over the trailing twelve months: Aci Worldwide (ACIW) +1.9%, Corpay (CPAY) +21.2%, Shift4 Payments (FOUR) +27.0%.

Which company is more profitable?

Corpay (CPAY) has the highest net margin (Aci Worldwide (ACIW) 9.5%, Corpay (CPAY) 23.7%, Shift4 Payments (FOUR) 1.1%). On return on invested capital, Corpay (CPAY) leads (Aci Worldwide (ACIW) 8.2%, Corpay (CPAY) 11.4%, Shift4 Payments (FOUR) 4.9%).

Which stock has performed better?

Over the past year Corpay (CPAY) returned the most: Aci Worldwide (ACIW) +23.4%, Corpay (CPAY) +70.5%, Shift4 Payments (FOUR) -36.3%. Over five years, Aci Worldwide (ACIW) compounded fastest (Aci Worldwide (ACIW) +13.0%/yr, Corpay (CPAY) +12.8%/yr, Shift4 Payments (FOUR) -6.7%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Aci Worldwide (ACIW) has been the steadiest (Aci Worldwide (ACIW) 34.8%, Corpay (CPAY) 36.1%, Shift4 Payments (FOUR) 66.4%). Volatility measures how widely the price swings, not the risk of the business.

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

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 5. 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.