PRTS
CarParts.com, Inc.
PRTS has a slight edge over RIVN overall, supported by stronger modeled upside.
RIVN
Rivian Automotive, Inc.
RIVN has lower modeled downside risk, despite its lower overall score.
PRTS Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Stable | |
| Under pressure | |
| Strong |
PRTS's balance sheet is currently strong, and its revenue and profitability are stable, but its cash flow is under pressure.
RIVN Fundamentals
| Metric | Status |
|---|---|
| Healthy | |
| Weak | |
| Weak | |
| Unavailable |
RIVN's revenue is currently healthy, but its profitability and cash flow are weak. There isn't enough data to rate its balance sheet.
PRTS PE Valuation
PRTS has no meaningful PE right now: it lost money over the past year.
RIVN PE Valuation
RIVN has no meaningful PE right now: it lost money over the past year.
PRTS Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Losses shrinking | |
| Growth | |
| Strongly improving | |
| Limited | |
| High |
Analysts expect PRTS's losses to shrink, with revenue growing.
RIVN Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Losses shrinking | |
| Strong growth | |
| Strongly improving | |
| Limited | |
| Low |
Analysts expect RIVN's losses to shrink, with revenue growing. However, they disagree widely on these estimates.
PRTS Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2026 | -$2.56 | +$7.14 |
| Q2 2026 | -$3.93 | +$5.57 |
| Q1 2026 | -$5.80 | +$2.90 |
| Q4 2025 | -$8.20 | -$1.10 |
| Q3 2025 | -$9.70 | -$4.30 |
| Q2 2025 | -$9.50 | -$5.40 |
| Q1 2025 | -$8.70 | -$6.00 |
| Q4 2024 | -$7.10 | -$5.70 |
PRTS is still losing money, but far less than before: $2.56 per share over the past year, against $9.70 at its worst in late 2025.
RIVN Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2026 | -$2.25 | +$0.83 |
| Q2 2026 | -$2.58 | +$0.62 |
| Q1 2026 | -$2.92 | +$0.77 |
| Q4 2025 | -$3.07 | +$1.62 |
| Q3 2025 | -$3.08 | +$2.52 |
| Q2 2025 | -$3.20 | +$2.76 |
| Q1 2025 | -$3.69 | +$2.08 |
| Q4 2024 | -$4.69 | +$1.05 |
RIVN has the edge over PRTS on earnings, with more consistent year-over-year improvement.
PRTS Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $129.3M | +1.2% |
| Q2 2026 | $135.6M | -11% |
| Q1 2026 | $132M | -10% |
| Q4 2025 | $120.4M | -9.8% |
| Q3 2025 | $127.8M | -12% |
| Q2 2025 | $151.9M | +5.3% |
| Q1 2025 | $147.4M | -11% |
| Q4 2024 | $133.5M | -15% |
PRTS's revenue has slid since its 2023 peak: $129M last quarter, up 1.2% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | -2.9% | +4.9 points |
| Q2 2026 | -2.4% | +5.8 points |
| Q1 2026 | -2.3% | +8 points |
| Q4 2025 | -9.4% | +2.2 points |
| Q3 2025 | -7.9% | -1 points |
| Q2 2025 | -8.2% | -2.1 points |
| Q1 2025 | -10% | -6.4 points |
| Q4 2024 | -12% | -7.3 points |
PRTS has the edge over RIVN on profitability, with a higher operating margin.
RIVN Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $2.2B | +38% |
| Q2 2026 | $1.7B | +27% |
| Q1 2026 | $1.4B | +11% |
| Q4 2025 | $1.3B | -26% |
| Q3 2025 | $1.6B | +78% |
| Q2 2025 | $1.3B | +13% |
| Q1 2025 | $1.2B | +3% |
| Q4 2024 | $1.7B | +32% |
RIVN has the edge over PRTS on sales, with more consistent year-over-year improvement.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | -41% | +22 points |
| Q2 2026 | -50% | +35 points |
| Q1 2026 | -64% | -11 points |
| Q4 2025 | -65% | -27 points |
| Q3 2025 | -63% | +71 points |
| Q2 2025 | -86% | +33 points |
| Q1 2025 | -53% | +70 points |
| Q4 2024 | -38% | +82 points |
RIVN's operating margin was −41% last quarter, up 22 points from the same quarter a year ago, near the top of its range since 2021.
PRTS Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | -$3.7M | +$4.5M |
| Q2 2026 | $1.1M | +$28.9M |
| Q1 2026 | $5.2M | +52% |
| Q4 2025 | -$9.3M | -$8.6M |
| Q3 2025 | -$8.3M | -268% |
| Q2 2025 | -$27.9M | -$17.1M |
| Q1 2025 | $3.4M | +$7.2M |
| Q4 2024 | -$631K | +$11.7M |
PRTS has the edge over RIVN on cash flow, with more consistent year-over-year improvement.
RIVN Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | -$1.1B | -$703M |
| Q2 2026 | -$849M | -$451M |
| Q1 2026 | -$1.1B | -$549M |
| Q4 2025 | -$1.1B | -234% |
| Q3 2025 | -$421M | +$732M |
| Q2 2025 | -$398M | +$639M |
| Q1 2025 | -$526M | +$997M |
| Q4 2024 | $856M | +$2.3B |
RIVN has burned cash in almost every quarter: −$4.2B over the past year, against −$489M the year before.
PRTS Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +1.6% | +118K shares |
| 1 year | +32% | +1.9M shares |
| 3 years | +35% | +2M shares |
| 5 years | +47% | +2.5M shares |
| Available history | +109% | +4M shares |
PRTS has 8M diluted shares, up 32% from a year ago.
| Quarter | Spent |
|---|---|
| Q4 2023 | $2.2M |
| Q3 2023 | $1.1M |
RIVN Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +9.1% | +121M shares |
| 1 year | +19% | +226M shares |
| 3 years | +52% | +494M shares |
RIVN has the edge over PRTS on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q2 2021 | — |
| Q1 2021 | — |
| Q4 2020 | $6M |
| Q3 2020 | — |
| Q2 2020 | — |
| Q1 2020 | — |
PRTS Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q4 2023 | -7.5x | Net Cash |
| Q3 2023 | -8.4x | Net Cash |
| Q2 2023 | -8.6x | Net Cash |
| Q1 2023 | -3.7x | Net Cash |
| Q4 2022 | -1.3x | Net Cash |
| Q3 2022 | -0.8x | Net Cash |
| Q2 2022 | -1.6x | Net Cash |
| Q1 2022 | -3.2x | Net Cash |
PRTS has more cash than debt.
RIVN Net Leverage
RIVN's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
PRTS Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 56.1 | Neutral |
| Stochastic | 45.2 | Neutral |
PRTS's weekly RSI is 56 (neutral) and its Stochastic is 45 (neutral).
RIVN Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 41.5 | Neutral |
| Stochastic | 25.6 | Neutral |
RIVN's weekly RSI is 41 (neutral) and its Stochastic is 26 (neutral).
PRTS PE vs Consumer Cyclical Sector
PRTS has no meaningful PE right now: it lost money over the past year.
RIVN PE vs Consumer Cyclical Sector
RIVN has no meaningful PE right now: it lost money over the past year.
PRTS Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $8.17 | 3.1% above |
| 20 week MA | $7.36 | 14% above |
| 50 week MA | $6.88 | 22% above |
| 100 week MA | $7.74 | 8.8% above |
| 200 week MA | $18.7 | 55% below |
PRTS has the edge over RIVN on trend strength, trading above more of its moving averages.
RIVN Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $13.3 | 3.9% below |
| 20 week MA | $15.1 | 15% below |
| 50 week MA | $15.9 | 19% below |
| 100 week MA | $14.7 | 13% below |
| 200 week MA | $15.1 | 15% below |
RIVN is in a downtrend: it's below all five of its weekly moving averages, and 15% below its 200-week average.
PRTS Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $21.2 | $131.7 | +521% |
| 2021 | $131.7 | $119.6 | -9.2% |
| 2022 | $119.6 | $58.7 | -51% |
| 2023 | $58.7 | $31.6 | -46% |
| 2024 | $31.6 | $9.47 | -70% |
| 2025 | $9.47 | $4.50 | -52% |
| 2026 YTD | $4.50 | $8.42 | +87% |
PRTS has the edge over RIVN on returns for 2026, with the stronger performance.
RIVN Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2021 | $130.0 | $96.8 | -25% |
| 2022 | $96.8 | $19.1 | -80% |
| 2023 | $19.1 | $23.5 | +23% |
| 2024 | $23.5 | $13.7 | -42% |
| 2025 | $13.7 | $20.9 | +53% |
| 2026 YTD | $20.9 | $12.8 | -39% |
RIVN has finished lower in three of the last five years. It's down 39% so far in 2026.