POWI
Power Integrations, Inc.
POWI has lower modeled downside risk, despite its lower overall score.
SNDK
Sandisk Corporation
SNDK has the edge over POWI overall, supported by stronger fundamentals.
POWI Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Strong | |
| Strong | |
| Strong |
POWI's profitability, cash flow and balance sheet are currently strong, and its revenue is stable.
SNDK Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Strong | |
| Strong |
SNDK's revenue, profitability, cash flow and balance sheet are all currently strong.
POWI PE Valuation
| Level | PE | Price | Vs current |
|---|---|---|---|
| Cheap | 23x | $18.45 | -60% |
| Forward | 26x | $46.06 | — |
| Fair | 53x | $41.55 | -9.8% |
| Current | 58x | $46.06 | — |
| Expensive | 97x | $76.52 | +66% |
Historical ranges are pointers, not guarantees.
POWI's PE is in its fair range at 58x. If earnings grow as analysts expect, today's price would be 26x next year's earnings, in its cheap range.
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 POWI in the historical PE scenario, which offers more potential upside but is not a forecast.
POWI Forward outlook
| Metric | Outlook |
|---|---|
| Strongly improving | |
| Strong growth | |
| Growth | |
| Strongly improving | |
| Limited | |
| Moderate |
Analysts expect earnings and revenue growth for POWI, with profitability improving.
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.
POWI Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $1.76 | +123% |
| Q3 2026 | $0.79 | +163% |
| Q2 2026 | $0.45 | -21% |
| Q1 2026 | $0.30 | -53% |
| Q4 2025 | $0.39 | -30% |
| Q3 2025 | $0.30 | -55% |
| Q2 2025 | $0.57 | -24% |
| Q1 2025 | $0.64 | -30% |
| Q4 2024 | $0.56 | -42% |
POWI's earnings per share have fallen from their peak: $0.79 over the past year, against $3.41 in mid-2020.
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 POWI in the latest year-over-year earnings comparison.
POWI Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $125.5M | +5.5% |
| Q2 2026 | $118.9M | +2.7% |
| Q1 2026 | $108.3M | +2.6% |
| Q4 2025 | $103.2M | -1.9% |
| Q3 2025 | $118.9M | +2.7% |
| Q2 2025 | $115.9M | +9.1% |
| Q1 2025 | $105.5M | +15% |
| Q4 2024 | $105.3M | +18% |
POWI's revenue is recovering but still below its 2022 peak: $125M last quarter, up 5.5% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | 15% | +19 points |
| Q2 2026 | 7.5% | +8.6 points |
| Q1 2026 | 1.3% | -5 points |
| Q4 2025 | 8.5% | +4.8 points |
| Q3 2025 | -3.3% | -13 points |
| Q2 2025 | -1.2% | -3 points |
| Q1 2025 | 6.4% | +5.9 points |
| Q4 2024 | 3.7% | +4.9 points |
POWI's operating margin was 15% last quarter, up 19 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 POWI on sales, with stronger typical year-over-year growth.
| 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 POWI on profitability, with a higher operating margin.
POWI Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $36.5M | +51% |
| Q2 2026 | $17.7M | -24% |
| Q1 2026 | $18M | -13% |
| Q4 2025 | $19.2M | +64% |
| Q3 2025 | $24.2M | -11% |
| Q2 2025 | $23.1M | +72% |
| Q1 2025 | $20.7M | +79% |
| Q4 2024 | $11.7M | +15% |
POWI's free cash flow has been positive every quarter for seven years: $91M over the past year, up 15% 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 POWI on cash flow, with more consistent year-over-year improvement.
POWI Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | -0.2% | -88K shares |
| 1 year | +1.5% | +812K shares |
| 3 years | -2% | -1.1M shares |
| 5 years | -7.7% | -4.8M shares |
| Available history | -5.7% | -3.4M shares |
POWI has the edge over SNDK on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q3 2026 | — |
| Q2 2026 | — |
| Q1 2026 | — |
| Q4 2025 | — |
| Q3 2025 | $42.4M |
| Q2 2025 | $32.6M |
| Q1 2025 | $23.1M |
| Q4 2024 | $1.9M |
POWI hasn't bought back shares in the past year.
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 | — |
POWI Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q3 2026 | -1.5x | Net Cash |
| Q2 2026 | -1.7x | Net Cash |
| Q1 2026 | -2.0x | Net Cash |
| Q4 2025 | -1.5x | Net Cash |
| Q3 2025 | -1.4x | Net Cash |
| Q2 2025 | -1.3x | Net Cash |
| Q1 2025 | -0.9x | Net Cash |
| Q4 2024 | -1.0x | Net Cash |
POWI 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.
POWI Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 41.3 | Neutral |
| Stochastic | 14.0 | Oversold |
POWI's weekly RSI is 41 (neutral) and its Stochastic is 14 (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).
POWI PE vs Technology Sector
| Metric | POWI | Sector median | Relative |
|---|---|---|---|
| PE | 58x | 28x | 109% above |
| PE % | 54 | 35 | 19 pts above |
POWI is trading at 58x earnings, a 109% premium 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 POWI on valuation relative to its sector.
POWI Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $47.2 | 2.4% below |
| 20 week MA | $55.2 | 17% below |
| 50 week MA | $55.5 | 17% below |
| 100 week MA | $53.1 | 13% below |
| 200 week MA | $64.5 | 29% below |
SNDK has stronger trend alignment. POWI is above 0 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.
POWI Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $49.5 | $79.5 | +61% |
| 2021 | $79.5 | $89.4 | +12% |
| 2022 | $89.4 | $72.1 | -19% |
| 2023 | $72.1 | $82.1 | +14% |
| 2024 | $82.1 | $63.0 | -23% |
| 2025 | $63.0 | $37.3 | -41% |
| 2026 YTD | $37.3 | $46.1 | +23% |
POWI has finished lower in three of the last six years. It's up 23% 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 POWI on returns for 2026, with the stronger performance.