ACFN
Acorn Energy, Inc.
ACFN has lower modeled downside risk, despite its lower overall score.
SNDK
Sandisk Corporation
SNDK has the edge over ACFN overall, supported by stronger fundamentals and stronger modeled upside.
ACFN Fundamentals
| Metric | Status |
|---|---|
| Under pressure | |
| Stable | |
| Stable | |
| Strong |
ACFN's balance sheet is currently strong, and its profitability and cash flow are stable, but its revenue is under pressure.
SNDK Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Strong | |
| Strong |
SNDK's revenue, profitability, cash flow and balance sheet are all currently strong.
ACFN PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Cheap | 6.8x | $5.98 | -61% |
| Current | 17x | $15.25 | — |
| Fair | 36x | $31.99 | +110% |
| Expensive | 61x | $53.68 | +252% |
Historical ranges are pointers, not guarantees.
ACFN's PE is in its cheap range at 17x.
SNDK PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Forward | 3.8x | $937 | — |
| Current | 7.5x | $937 | — |
| Cheap | 17x | $2,173 | +132% |
| Fair | 24x | $3,048 | +225% |
| Expensive | 59x | $7,452 | +695% |
Historical ranges are pointers, not guarantees.
SNDK has the edge over ACFN in the historical PE scenario, which offers more potential upside but is not a forecast.
ACFN Forward outlook
There aren't enough analyst estimates for ACFN to show an outlook.
SNDK Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Strong growth | |
| Strongly improving | |
| Moderate | |
| High |
Analysts expect strong earnings and revenue growth for SNDK, with profitability improving.
ACFN Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Q3 2026 | $0.88 | -67% |
| Q2 2026 | $0.61 | -79% |
| Q1 2026 | $0.77 | -71% |
| Q4 2025 | $0.99 | -61% |
| Q3 2025 | $2.65 | +464% |
| Q2 2025 | $2.84 | +1395% |
| Q1 2025 | $2.67 | +3238% |
| Q4 2024 | $2.51 | +4920% |
ACFN's earnings per share have fallen from their peak: $0.88 over the past year, against $2.84 in mid-2025.
SNDK Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $247.30 | +97% |
| Q3 2026 | $125.61 | +$137.63 |
| Q2 2026 | $73.76 | +$85.07 |
| Q2 2025 | -$11.31 | -$6.65 |
SNDK has the edge over ACFN in the latest year-over-year earnings comparison.
ACFN Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $2.6M | +4.6% |
| Q2 2026 | $2.5M | -29% |
| Q1 2026 | $2.2M | -28% |
| Q4 2025 | $2.4M | -33% |
| Q3 2025 | $2.5M | -19% |
| Q2 2025 | $3.5M | +55% |
| Q1 2025 | $3.1M | +45% |
| Q4 2024 | $3.5M | +57% |
ACFN's revenue has slid since its 2024 peak: $3M last quarter, up 4.6% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 7.3% | +0.9 points |
| Q2 2026 | 15% | -12 points |
| Q1 2026 | -5.8% | -25 points |
| Q4 2025 | 12% | -12 points |
| Q3 2025 | 6.4% | -18 points |
| Q2 2025 | 27% | +16 points |
| Q1 2025 | 20% | +16 points |
| Q4 2024 | 24% | +21 points |
ACFN's operating margin was 7.3% last quarter, up 0.9 points from the same quarter a year ago.
SNDK Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $11B | +378% |
| Q2 2026 | $9B | +372% |
| Q1 2026 | $6B | +251% |
| Q4 2025 | $3B | +61% |
| Q3 2025 | $2.3B | +23% |
| Q2 2025 | $1.9B | +8% |
| Q1 2025 | $1.7B | -0.6% |
| Q4 2024 | $1.9B | +13% |
SNDK has the edge over ACFN on sales, with more consistent year-over-year improvement.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 80% | +72 points |
| Q2 2026 | 78% | +78 points |
| Q1 2026 | 69% | +180 points |
| Q4 2025 | 35% | +25 points |
| Q3 2025 | 7.6% | -9 points |
| Q2 2025 | 0.9% | N/A |
| Q1 2025 | -111% | -122 points |
| Q4 2024 | 10% | +6.6 points |
SNDK has the edge over ACFN on profitability, with a higher operating margin.
ACFN Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $999K | +12% |
| Q2 2026 | $224K | -64% |
| Q1 2026 | $53K | -80% |
| Q4 2025 | $295K | +78% |
| Q3 2025 | $895K | +28% |
| Q2 2025 | $629K | +649% |
| Q1 2025 | $271K | +$314K |
| Q4 2024 | $166K | +$460K |
ACFN generated $2M in free cash flow over the past year, down 20% from the year before.
SNDK Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $6.3B | +1340% |
| Q2 2026 | $7.1B | +14355% |
| Q1 2026 | $3B | +$3B |
| Q3 2025 | $438M | +$636M |
| Q2 2025 | $49M | +$217M |
| Q1 2025 | -$18M | +$23M |
| Q3 2024 | -$198M | -$157M |
SNDK has the edge over ACFN on cash flow, with more consistent year-over-year improvement.
ACFN Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +0.6% | +15K shares |
| 1 year | 0% | +1K shares |
| 3 years | +0.9% | +23K shares |
| 5 years | +2.9% | +72.9K shares |
ACFN has the edge over SNDK on shareholder dilution, with a more favorable share count trend.
SNDK Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | -0.6% | -1M shares |
| 1 year | +3.4% | +5M shares |
| 3 years | +6.9% | +10M shares |
SNDK has 154M diluted shares, up 3.4% from a year ago.
| Quarter | Spent |
|---|---|
| Q3 2026 | $5B |
| Q3 2024 | — |
| Q2 2024 | — |
| Q1 2024 | — |
| Q4 2023 | — |
| Q3 2023 | — |
ACFN Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | -5.1x | Net Cash |
| Q2 2026 | -5.5x | Net Cash |
| Q1 2026 | -3.1x | Net Cash |
| Q4 2025 | -2.1x | Net Cash |
| Q3 2025 | -1.6x | Net Cash |
| Q2 2025 | -1.0x | Net Cash |
| Q1 2025 | -1.0x | Net Cash |
| Q4 2024 | -1.1x | Net Cash |
ACFN has the edge over SNDK on leverage, with a lower net debt burden relative to earnings.
SNDK Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | -0.2x | Net Cash |
| Q2 2026 | -0.4x | Net Cash |
| Q1 2026 | -0.7x | Net Cash |
SNDK has more cash than debt.
ACFN Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 38.7 | Neutral |
| Stochastic | 7.8 | Oversold |
ACFN's weekly RSI is 39 (neutral) and its Stochastic is 8 (oversold).
SNDK Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 40.2 | Neutral |
| Stochastic | 10.6 | Oversold |
SNDK's weekly RSI is 40 (neutral) and its Stochastic is 11 (oversold).
ACFN PE vs Technology Sector
| Metric | ACFN | Sector median | Relative |
|---|---|---|---|
| PE | 17x | 28x | 38% below |
| PE % | 29 | 35 | 6 pts below |
ACFN is trading at 17x earnings, a 38% discount to the Technology sector's median of 28x.
SNDK PE vs Technology Sector
| Metric | SNDK | Sector median | Relative |
|---|---|---|---|
| PE | 7.5x | 28x | 73% below |
| PE % | 4 | 27 | 23 pts below |
SNDK has the edge over ACFN on valuation relative to its sector.
ACFN Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $17.6 | 14% below |
| 20 week MA | $18.7 | 19% below |
| 50 week MA | $18.0 | 15% below |
| 100 week MA | $18.8 | 19% below |
| 200 week MA | $13.3 | 15% above |
ACFN has stronger trend alignment. ACFN is above 1 of 5 weekly averages versus SNDK above 0 of 3.
SNDK Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $1,317.5 | 29% below |
| 20 week MA | $1,465.4 | 36% below |
| 50 week MA | $1,119.6 | 16% below |
SNDK is in a downtrend: it's below all three of its weekly moving averages, and 16% below its 50-week average.
ACFN Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $4.80 | $6.72 | +40% |
| 2021 | $6.72 | $8.96 | +33% |
| 2022 | $8.96 | $5.28 | -41% |
| 2023 | $5.28 | $6.09 | +15% |
| 2024 | $6.09 | $18.2 | +199% |
| 2025 | $18.2 | $15.2 | -16% |
| 2026 YTD | $15.2 | $15.3 | +0.3% |
ACFN's yearly returns have swung widely, from +199% in 2024 to −41% in 2022. It's roughly flat so far in 2026.
SNDK Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2025 | $50.4 | $250.1 | +396% |
| 2026 YTD | $250.1 | $937.5 | +275% |
SNDK has the edge over ACFN on returns for 2026, with the stronger performance.