CarParts.com, Inc. (PRTS) P/E Ratio History
Deep ValueTrading at -0.8x · 0th percentile of 5-year range · Significant discount to historical valuation · Data 2007–2018
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P/E Ratio Analysis
As of June 21, 2026, CarParts.com, Inc. (PRTS) trades at a price-to-earnings ratio of -0.8x, with a stock price of $6.33 and trailing twelve-month earnings per share of $-5.41.
The current P/E is 100% below its 5-year average of 170.1x. Over the past five years, PRTS's P/E has ranged from a low of 3.5x to a high of 1178.3x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Consumer Cyclical sector median P/E of 21.2x, PRTS trades at a 104% discount to its sector peers. The sector includes 307 companies with P/E ratios ranging from 0.1x to 184.9x.
Relative to the broader market, PRTS trades at a notable discount to the S&P 500 median P/E of 24.4x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our PRTS DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
PRTS Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
PRTS P/E vs Peers
Automotive Retail and Parts peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $73B | 29.2 | 2.34 | +10% | |
| $50B | 21.2 | 1.41 | -3% | |
| $4B | 82.3 | - | +113% | |
| $15B | 231.3 | - | -93% | |
| $7B | 11.0Lowest | 4.63 | -11% | |
| $2B | 14.9 | - | +147% | |
| $467M | 565.5 | - | +113% | |
| $873M | 21.4 | - | -24% | |
| $4B | 45.6 | - | +264%Best | |
| $2.6T | 34.1 | 1.22Best | +30% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
PRTS Historical P/E Data (2007–2018)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2018 Q1 | Mar 31 2018 | $20.50 | $5.80 | 3.5x | -98% |
| FY2017 Q4 | Dec 31 2017 | $25.20 | $5.90 | 4.3x | -97% |
| FY2017 Q3 | Sep 30 2017 | $28.90 | $6.71 | 4.3x | -97% |
| FY2017 Q2 | Jul 01 2017 | $32.30 | $6.49 | 5.0x | -97% |
| FY2017 Q1 | Apr 01 2017 | $33.50 | $0.09 | 385.1x | +126% |
| FY2016 Q4 | Dec 31 2016 | $35.20 | $0.29 | 122.6x | -28% |
| FY2016 Q3 | Oct 01 2016 | $32.90 | $0.54 | 60.7x | -64% |
| FY2016 Q2 | Jul 02 2016 | $39.80 | $0.55 | 72.2x | -58% |
| FY2016 Q1 | Apr 02 2016 | $27.10 | $0.02 | 1178.3x | +593% |
| FY2010 Q2 | Jul 03 2010 | $60.80 | $1.10 | 55.5x | -67% |
| FY2010 Q1 | Apr 03 2010 | $73.70 | $1.20 | 61.6x | -64% |
| FY2009 Q4 | - | $52.00 | $0.47 | 110.9x | -35% |
| FY2007 Q3 | Sep 30 2007 | $87.10 | $0.59 | 147.1x | -13% |
Average P/E for displayed period: 170.1x
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
19+ years return with dividends reinvested.
DCA Calculator
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Peer Comparison
Compare growth, multiples, and margins vs sector.
PRTS — Frequently Asked Questions
Quick answers to the most common questions about buying PRTS stock.
What is PRTS's P/E ratio?
CarParts.com, Inc. (PRTS) trailing twelve-month P/E ratio is -0.8x, based on TTM diluted EPS of $-5.41. The 5-year average P/E is 170.1x and the historical range spans 3.5x to 1178.3x.
Is PRTS stock overvalued or undervalued?
PRTS trades at -0.8x P/E, below its 5-year average of 170.1x. At the 0th percentile of its historical range (3.5x–1178.3x), the stock is priced at a discount to its own history.
Is PRTS stock expensive?
No, PRTS is not expensive on a historical basis. The current P/E of -0.8x is below the 5-year average of 170.1x and sits at the 0th percentile of its valuation range.
What is PRTS's historical P/E range?
Over the past 5 years, PRTS's P/E ratio has ranged from 3.5x to 1178.3x, with a median of 61.6x and an average of 170.1x. The current P/E of -0.8x places the stock at the 0th percentile of this range. Full historical data spans 2007–2018.
How does PRTS's P/E compare to the S&P 500?
PRTS trades at -0.8x P/E versus the S&P 500 median of 24.4x. The 103% discount to the market suggests lower growth expectations or perceived higher risk.
How does PRTS's valuation compare to Consumer Cyclical peers?
CarParts.com, Inc. P/E of -0.8x compares to the Consumer Cyclical sector median of 21.2x. The discount suggests lower growth expectations, weaker margins, or higher perceived risk relative to peers. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is PRTS's PEG ratio?
PRTS PEG ratio is N/A, based on a P/E of -0.8x and EPS growth of -15.5%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is PRTS's earnings yield?
PRTS earnings yield is N/A, the inverse of its -0.8x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.