AMPG
AmpliTech Group, Inc.
There isn't enough reported data to score AMPG yet.
SNDK
Sandisk Corporation
SNDK's fundamentals are strong: revenue more than tripled and its operating margin went from −19% to 72%. Its PE isn't a useful guide right now because of how its recent earnings were reported.
AMPG Fundamentals
| Metric | Status |
|---|---|
| Stable | |
| Under pressure | |
| Unavailable | |
| Weak |
AMPG's revenue is currently stable, but its profitability and balance sheet are under pressure. There isn't enough data to rate its cash flow.
SNDK Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Strong | |
| Strong |
SNDK's revenue, profitability, cash flow and balance sheet are all currently strong.
AMPG PE Valuation
AMPG has no meaningful PE right now: it lost money over the past year. If it returns to profit as analysts expect, today's price would be 78x next year's earnings.
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's PE is 7.5x, but its earnings don't support one, so it isn't a reliable read right now.
AMPG Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Returning to profit | |
| Strong growth | |
| Strongly improving | |
| Limited | |
| High |
Analysts expect AMPG to return to profit, with revenue growing.
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.
AMPG Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $0.03 | — |
| Q3 2026 | -$0.39 | +$0.12 |
| Q2 2026 | -$0.33 | +$0.29 |
| Q1 2026 | -$0.30 | +$0.39 |
| Q4 2025 | -$0.33 | +$0.75 |
| Q3 2025 | -$0.51 | +$0.31 |
| Q2 2025 | -$0.62 | +$0.17 |
| Q1 2025 | -$0.69 | -$0.01 |
| Q4 2024 | -$1.08 | -$0.82 |
AMPG is still losing money, but far less than before: $0.39 per share over the past year, against $1.08 at its worst in late 2024.
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 AMPG in the latest year-over-year earnings comparison.
AMPG Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $6.6M | +8% |
| Q2 2026 | $8.1M | -27% |
| Q1 2026 | $5.3M | +49% |
| Q4 2025 | $4.5M | +142% |
| Q3 2025 | $6.1M | +115% |
| Q2 2025 | $11M | +336% |
| Q1 2025 | $3.6M | +57% |
| Q4 2024 | $1.9M | -54% |
AMPG's revenue is recovering but still below its 2025 peak: $7M last quarter, up 8% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | -30% | -27 points |
| Q2 2026 | -40% | -22 points |
| Q1 2026 | -30% | +22 points |
| Q4 2025 | -73% | +161 points |
| Q3 2025 | -3.6% | +35 points |
| Q2 2025 | -17% | +45 points |
| Q1 2025 | -53% | +9.8 points |
| Q4 2024 | -234% | -222 points |
AMPG's operating margin was −30% last quarter, down 27 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's revenue has grown year over year for six quarters in a row: $11B last quarter, up 378% from the same quarter a year ago.
| 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 AMPG on profitability, with a higher operating margin.
AMPG Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $192.4K | +$1.6M |
| Q4 2025 | -$3.5M | -$2.3M |
| Q3 2025 | -$1.4M | +$303.2K |
| Q2 2025 | -$2.4M | -$1M |
| Q1 2025 | -$2.4M | -$1.3M |
| Q4 2024 | -$1.2M | +$563.1K |
| Q3 2024 | -$1.7M | -$1.1M |
| Q2 2024 | -$1.3M | -$2.5K |
SNDK has the stronger cash trend. Its trailing FCF is up 762% versus its history, compared with AMPG at down 61%.
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 generated $17.4B in free cash flow over the past year, more than ten times what it generated the year before.
AMPG Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | +14% | +3.6M shares |
| 1 year | +41% | +8.4M shares |
| 3 years | +201% | +19.4M shares |
| 5 years | +421% | +23.4M shares |
AMPG has 29M diluted shares, up 41% from a year ago.
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 the edge over AMPG on shareholder dilution, with a more favorable share count trend.
| Quarter | Spent |
|---|---|
| Q3 2026 | $5B |
| Q3 2024 | — |
| Q2 2024 | — |
| Q1 2024 | — |
| Q4 2023 | — |
| Q3 2023 | — |
AMPG Net Leverage
| Quarter | Net Leverage | Status |
|---|---|---|
| Q4 2019 | 6.8x | High |
AMPG's net debt is about 6.8 years of its operating earnings (EBITDA).
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.
AMPG Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 39.5 | Neutral |
| Stochastic | 5.5 | Oversold |
AMPG's weekly RSI is 40 (neutral) and its Stochastic is 5 (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).
AMPG PE vs Technology Sector
AMPG has no meaningful PE right now: it lost money over the past year.
SNDK PE vs Technology Sector
| Metric | SNDK | Sector median | Relative |
|---|---|---|---|
| PE | 7.5x | 28x | 73% below |
| PE % | 4 | 27 | 23 pts below |
SNDK is trading at 7.5x earnings, a 73% discount to the Technology sector's median of 28x, though its earnings don't support one.
AMPG Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $2.69 | 13% below |
| 20 week MA | $3.89 | 40% below |
| 50 week MA | $3.63 | 35% below |
| 100 week MA | $3.15 | 25% below |
| 200 week MA | $2.50 | 6% below |
SNDK has stronger trend alignment. AMPG 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.
AMPG Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2021 | $8.80 | $4.12 | -53% |
| 2022 | $4.12 | $2.24 | -46% |
| 2023 | $2.24 | $1.88 | -16% |
| 2024 | $1.88 | $5.71 | +204% |
| 2025 | $5.71 | $2.91 | -49% |
| 2026 YTD | $2.91 | $2.35 | -19% |
AMPG's yearly returns have swung widely, from +204% in 2024 to −53% in 2021. It's down 19% 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 AMPG on returns for 2026, with the stronger performance.