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Side-by-side financial comparison of Five9, Inc. (FIVN) and POWER SOLUTIONS INTERNATIONAL, INC. (PSIX). Click either name above to swap in a different company.

Five9, Inc. is the larger business by last-quarter revenue ($300.3M vs $191.2M, roughly 1.6× POWER SOLUTIONS INTERNATIONAL, INC.). On growth, POWER SOLUTIONS INTERNATIONAL, INC. posted the faster year-over-year revenue change (32.5% vs 7.8%). Five9, Inc. produced more free cash flow last quarter ($77.3M vs $-7.6M). Over the past eight quarters, POWER SOLUTIONS INTERNATIONAL, INC.'s revenue compounded faster (41.7% CAGR vs 10.3%).

Five9, Inc. is a leading global provider of cloud-native contact center software and solutions. It serves enterprises of all sizes across retail, healthcare, financial services, and technology sectors, offering omnichannel customer engagement tools, AI-powered automation, workforce management, and analytics to boost customer experience and operational efficiency.

Adani Energy Solutions Ltd, formerly known as Adani Transmission Ltd, is an electric power transmission and distribution company headquartered in Ahmedabad. As of April 2025, the company operates a cumulative transmission network of 26,696 circuit kilometers and is one of the largest private sector power transmission companies operating in India.

FIVN vs PSIX — Head-to-Head

Bigger by revenue
FIVN
FIVN
1.6× larger
FIVN
$300.3M
$191.2M
PSIX
Growing faster (revenue YoY)
PSIX
PSIX
+24.8% gap
PSIX
32.5%
7.8%
FIVN
More free cash flow
FIVN
FIVN
$84.9M more FCF
FIVN
$77.3M
$-7.6M
PSIX
Faster 2-yr revenue CAGR
PSIX
PSIX
Annualised
PSIX
41.7%
10.3%
FIVN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FIVN
FIVN
PSIX
PSIX
Revenue
$300.3M
$191.2M
Net Profit
$16.1M
Gross Margin
55.4%
21.9%
Operating Margin
6.6%
12.7%
Net Margin
8.4%
Revenue YoY
7.8%
32.5%
Net Profit YoY
-31.0%
EPS (diluted)
$0.22
$0.69

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
FIVN
FIVN
PSIX
PSIX
Q4 25
$300.3M
$191.2M
Q3 25
$285.8M
$203.8M
Q2 25
$283.3M
$191.9M
Q1 25
$279.7M
$135.4M
Q4 24
$278.7M
$144.3M
Q3 24
$264.2M
$125.8M
Q2 24
$252.1M
$110.6M
Q1 24
$247.0M
$95.2M
Net Profit
FIVN
FIVN
PSIX
PSIX
Q4 25
$16.1M
Q3 25
$18.0M
$27.6M
Q2 25
$1.2M
$51.2M
Q1 25
$576.0K
$19.1M
Q4 24
$23.3M
Q3 24
$-4.5M
$17.3M
Q2 24
$-12.8M
$21.5M
Q1 24
$-7.1M
$7.1M
Gross Margin
FIVN
FIVN
PSIX
PSIX
Q4 25
55.4%
21.9%
Q3 25
55.0%
23.9%
Q2 25
54.9%
28.2%
Q1 25
55.0%
29.7%
Q4 24
56.0%
29.9%
Q3 24
53.8%
28.9%
Q2 24
53.0%
31.8%
Q1 24
53.6%
27.0%
Operating Margin
FIVN
FIVN
PSIX
PSIX
Q4 25
6.6%
12.7%
Q3 25
5.6%
13.9%
Q2 25
-0.6%
16.9%
Q1 25
-1.9%
18.2%
Q4 24
1.5%
17.5%
Q3 24
-5.8%
16.3%
Q2 24
-7.7%
22.9%
Q1 24
-8.4%
11.2%
Net Margin
FIVN
FIVN
PSIX
PSIX
Q4 25
8.4%
Q3 25
6.3%
13.5%
Q2 25
0.4%
26.7%
Q1 25
0.2%
14.1%
Q4 24
16.1%
Q3 24
-1.7%
13.8%
Q2 24
-5.1%
19.5%
Q1 24
-2.9%
7.5%
EPS (diluted)
FIVN
FIVN
PSIX
PSIX
Q4 25
$0.22
$0.69
Q3 25
$0.21
$1.20
Q2 25
$0.01
$2.22
Q1 25
$0.01
$0.83
Q4 24
$0.16
$1.01
Q3 24
$-0.06
$0.75
Q2 24
$-0.17
$0.94
Q1 24
$-0.10
$0.31

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
FIVN
FIVN
PSIX
PSIX
Cash + ST InvestmentsLiquidity on hand
$232.1M
$41.3M
Total DebtLower is stronger
$96.6M
Stockholders' EquityBook value
$785.8M
$178.6M
Total Assets
$1.8B
$424.7M
Debt / EquityLower = less leverage
0.54×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FIVN
FIVN
PSIX
PSIX
Q4 25
$232.1M
$41.3M
Q3 25
$193.4M
$49.0M
Q2 25
$205.5M
$49.5M
Q1 25
$370.3M
$50.0M
Q4 24
$362.5M
$55.3M
Q3 24
$291.0M
$40.5M
Q2 24
$175.7M
$28.8M
Q1 24
$240.2M
$33.1M
Total Debt
FIVN
FIVN
PSIX
PSIX
Q4 25
$96.6M
Q3 25
$96.7M
Q2 25
$1.8M
Q1 25
$1.0M
Q4 24
$184.0K
Q3 24
$238.0K
Q2 24
$292.0K
Q1 24
$345.0K
Stockholders' Equity
FIVN
FIVN
PSIX
PSIX
Q4 25
$785.8M
$178.6M
Q3 25
$775.3M
$162.5M
Q2 25
$717.4M
$135.7M
Q1 25
$664.3M
$84.3M
Q4 24
$622.2M
$65.3M
Q3 24
$565.6M
$42.1M
Q2 24
$525.9M
$24.8M
Q1 24
$483.6M
$3.2M
Total Assets
FIVN
FIVN
PSIX
PSIX
Q4 25
$1.8B
$424.7M
Q3 25
$1.8B
$458.9M
Q2 25
$1.7B
$437.7M
Q1 25
$2.1B
$372.7M
Q4 24
$2.1B
$328.2M
Q3 24
$2.0B
$339.1M
Q2 24
$1.9B
$307.6M
Q1 24
$1.9B
$286.8M
Debt / Equity
FIVN
FIVN
PSIX
PSIX
Q4 25
0.54×
Q3 25
0.60×
Q2 25
0.01×
Q1 25
0.01×
Q4 24
0.00×
Q3 24
0.01×
Q2 24
0.01×
Q1 24
0.11×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
FIVN
FIVN
PSIX
PSIX
Operating Cash FlowLast quarter
$83.6M
$-4.6M
Free Cash FlowOCF − Capex
$77.3M
$-7.6M
FCF MarginFCF / Revenue
25.8%
-4.0%
Capex IntensityCapex / Revenue
2.1%
1.6%
Cash ConversionOCF / Net Profit
-0.29×
TTM Free Cash FlowTrailing 4 quarters
$201.2M
$14.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FIVN
FIVN
PSIX
PSIX
Q4 25
$83.6M
$-4.6M
Q3 25
$59.2M
$3.3M
Q2 25
$35.1M
$16.7M
Q1 25
$48.4M
$8.8M
Q4 24
$49.8M
$32.7M
Q3 24
$41.1M
$12.6M
Q2 24
$19.9M
$1.5M
Q1 24
$32.4M
$15.6M
Free Cash Flow
FIVN
FIVN
PSIX
PSIX
Q4 25
$77.3M
$-7.6M
Q3 25
$48.7M
$1.7M
Q2 25
$31.6M
$14.6M
Q1 25
$43.7M
$5.4M
Q4 24
$40.5M
$30.0M
Q3 24
$26.7M
$12.1M
Q2 24
$13.1M
$822.0K
Q1 24
$20.4M
$14.8M
FCF Margin
FIVN
FIVN
PSIX
PSIX
Q4 25
25.8%
-4.0%
Q3 25
17.0%
0.8%
Q2 25
11.1%
7.6%
Q1 25
15.6%
4.0%
Q4 24
14.5%
20.8%
Q3 24
10.1%
9.7%
Q2 24
5.2%
0.7%
Q1 24
8.3%
15.6%
Capex Intensity
FIVN
FIVN
PSIX
PSIX
Q4 25
2.1%
1.6%
Q3 25
3.7%
0.8%
Q2 25
1.2%
1.1%
Q1 25
1.7%
2.5%
Q4 24
3.3%
1.8%
Q3 24
5.4%
0.3%
Q2 24
2.7%
0.6%
Q1 24
4.8%
0.9%
Cash Conversion
FIVN
FIVN
PSIX
PSIX
Q4 25
-0.29×
Q3 25
3.29×
0.12×
Q2 25
30.38×
0.33×
Q1 25
84.00×
0.46×
Q4 24
1.40×
Q3 24
0.73×
Q2 24
0.07×
Q1 24
2.20×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

FIVN
FIVN

Segment breakdown not available.

PSIX
PSIX

Energy End Market$153.4M80%
Industrial End Market$33.3M17%
Transportation End Market$4.6M2%

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