Which has grown faster, HOUR or PRTS?

Over the past five years, HOUR grew revenue faster — HOUR at a 25.75% CAGR versus PRTS at -0.89%.

Is HOUR or PRTS more profitable?

HOUR runs the higher net margin — HOUR at 1.14% versus PRTS at -5.35%.

Hour Loop, Inc. (HOUR) vs CarParts.com, Inc. (PRTS)

A side-by-side comparison of Hour Loop, Inc. and CarParts.com, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

HOUR

Hour Loop, Inc.

$62M

$1.76Consumer CyclicalDelayed quote: Oct 6, 2026, 1:46 PM EDT

PRTS

CarParts.com, Inc.

$70M

$8.60Consumer CyclicalDelayed quote: Oct 6, 2026, 1:51 PM EDT

Total return — HOUR vs PRTS

growth of $100 · dividends reinvested · last 5y

HOUR -77.2% (-25.6%/yr)PRTS -92.4% (-40.3%/yr)HOUR compounded faster over this window

HOUR PRTS

HOUR vs PRTS: by the numbers

•PRTS is the larger company ($70M vs $62M market cap).
•HOUR is profitable (1.14% net margin) while PRTS runs a net loss (-5.35%).
•HOUR grew revenue faster over the past five years (25.75% vs -0.89% CAGR).

Metrics side by side

Valuation

Metric	HOUR	PRTS
P/E ratio	37.93	N/A
P/S ratio	0.40	0.14
P/B ratio	6.97	1.23
EV / EBITDA	24.80	N/A

Profitability

Metric	HOUR	PRTS
Gross margin	51.47%	28.99%
Operating margin	1.53%	-4.63%
Net margin	1.14%	-5.35%
ROE	19.68%	-48.62%
ROIC	20.25%	-18.93%

Growth (annualized)

Metric	HOUR	PRTS
Revenue CAGR (5Y)	25.75%	-0.89%
EPS CAGR (5Y)	-15.11%	N/A
Total return CAGR (5Y)	N/A	-43.34%

Frequently asked

Which has grown faster, HOUR or PRTS?: Over the past five years, HOUR grew revenue faster — HOUR at a 25.75% CAGR versus PRTS at -0.89%.
Is HOUR or PRTS more profitable?: HOUR runs the higher net margin — HOUR at 1.14% versus PRTS at -5.35%.

Go deeper

Full HOUR analysis Full PRTS analysis Interactive comparison tool

Dig into the metrics

Hour Loop P/E ratio Hour Loop ROE CarParts.com ROE Hour Loop operating margin CarParts.com operating margin Hour Loop revenue growth CarParts.com revenue growth Hour Loop free cash flow CarParts.com free cash flow

Hour Loop & CarParts.com appear in these rankings

Fastest Revenue Growth Stocks Highest ROIC Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.