SNDK
Sandisk Corporation
SNDK has the edge over ZS overall, supported by stronger fundamentals and stronger modeled upside.
ZS
Zscaler, Inc.
ZS has lower modeled downside risk, despite its lower overall score.
SNDK Fundamentals
| Metric | Status |
|---|---|
| Strong | |
| Strong | |
| Strong | |
| Strong |
SNDK's revenue, profitability, cash flow and balance sheet are all currently strong.
ZS Fundamentals
| Metric | Status |
|---|---|
| Healthy | |
| Under pressure | |
| Strong | |
| Unavailable |
ZS's revenue and cash flow are currently healthy, but its profitability is under pressure. There isn't enough data to rate its balance sheet.
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.
ZS PE Valuation
ZS has no meaningful PE right now: it lost money over the past year.
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.
ZS Forward outlook
| Metric | Outlook |
|---|---|
| -- | |
| Strong growth | |
| Growth | |
| Improving | |
| Broad | |
| High |
Analysts expect earnings and revenue growth for ZS, with profitability improving.
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 ZS in the latest year-over-year earnings comparison.
ZS Earnings Per Share
| Quarter | TTM EPS | YoY |
|---|---|---|
| Forward | $5.04 | — |
| Q3 2026 | -$0.39 | -$0.12 |
| Q2 2026 | -$0.48 | -$0.23 |
| Q1 2026 | -$0.42 | -$0.32 |
| Q4 2025 | -$0.26 | -$0.02 |
| Q3 2025 | -$0.27 | +$0.12 |
| Q2 2025 | -$0.25 | +$0.25 |
| Q1 2025 | -$0.10 | +$0.84 |
| Q4 2024 | -$0.24 | +$0.91 |
ZS is still losing money, but far less than before: $0.39 per share over the past year, against $2.77 at its worst in mid-2022.
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 ZS on profitability, with a higher operating margin.
ZS Quarterly Revenue
| Quarter | Revenue | YoY |
|---|---|---|
| Q3 2026 | $898.2M | +25% |
| Q2 2026 | $850.5M | +25% |
| Q1 2026 | $815.8M | +26% |
| Q4 2025 | $788.1M | +26% |
| Q3 2025 | $719.2M | +21% |
| Q2 2025 | $678M | +23% |
| Q1 2025 | $647.9M | +23% |
| Q4 2024 | $628M | +26% |
ZS's revenue has grown year over year every quarter since late 2020: $898M last quarter, up 25% from the same quarter a year ago.
| Quarter | Margin | YoY |
|---|---|---|
| Q3 2026 | -1.7% | +2.8 points |
| Q2 2026 | -3.5% | +0.3 points |
| Q1 2026 | -6.3% | -0.1 points |
| Q4 2025 | -4.6% | +0.3 points |
| Q3 2025 | -4.5% | +0.1 points |
| Q2 2025 | -3.8% | -3.2 points |
| Q1 2025 | -6.2% | +2.5 points |
| Q4 2024 | -4.9% | +4.4 points |
ZS's operating margin was −1.7% last quarter, up 2.8 points from the same quarter a year ago, near the top of its range since 2019.
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.
ZS Free Cash Flow
| Quarter | Free cash flow | YoY |
|---|---|---|
| Q3 2026 | $79.4M | -58% |
| Q2 2026 | $155.6M | +12% |
| Q1 2026 | $186.3M | +13% |
| Q4 2025 | $431M | +37% |
| Q3 2025 | $190.6M | +24% |
| Q2 2025 | $138.9M | +0.8% |
| Q1 2025 | $164.4M | +48% |
| Q4 2024 | $314.3M | +35% |
ZS's free cash flow has been positive every quarter for seven years: $852M over the past year, up 5.5% from the year before.
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 ZS 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 | — |
ZS Total Shares
| Period | Change % | Net change |
|---|---|---|
| Quarterly | -0.3% | -522K shares |
| 1 year | +3.8% | +5.8M shares |
| 3 years | +11% | +15.3M shares |
| 5 years | +18% | +24.6M shares |
| Available history | +26% | +32.7M shares |
ZS has 160M diluted shares, up 3.8% from a year ago.
| Quarter | Spent |
|---|---|
| Q3 2020 | — |
| Q2 2020 | — |
| Q1 2020 | — |
| Q4 2019 | — |
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.
ZS Net Leverage
ZS's operating earnings (EBITDA) were negative over the past year, so its debt can't be measured against them.
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).
ZS Weekly Momentum
| Metric | Value | Status |
|---|---|---|
| RSI | 51.1 | Neutral |
| Stochastic | 49.0 | Neutral |
ZS's weekly RSI is 51 (neutral) and its Stochastic is 49 (neutral).
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.
ZS PE vs Technology Sector
ZS has no meaningful PE right now: it lost money over the past year.
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 |
ZS has stronger trend alignment. SNDK is above 0 of 3 weekly averages versus ZS above 3 of 5.
ZS Weekly Moving Averages
| Moving average | MA price | Relative |
|---|---|---|
| 8 week MA | $214.3 | 9.8% below |
| 20 week MA | $184.7 | 4.6% above |
| 50 week MA | $175.4 | 10% above |
| 100 week MA | $214.1 | 9.7% below |
| 200 week MA | $192.3 | 0.5% above |
ZS's trend is mixed: it's above three of its five weekly moving averages, and 0.5% above its 200-week average.
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 ZS on returns for 2026, with the stronger performance.
ZS Yearly ROI
| Year | Start price | End price | ROI |
|---|---|---|---|
| 2020 | $47.6 | $205.3 | +331% |
| 2021 | $205.3 | $323.0 | +57% |
| 2022 | $323.0 | $108.8 | -66% |
| 2023 | $108.8 | $221.6 | +104% |
| 2024 | $221.6 | $184.6 | -17% |
| 2025 | $184.6 | $230.5 | +25% |
| 2026 YTD | $230.5 | $193.2 | -16% |
ZS's yearly returns have swung widely, from +331% in 2020 to −66% in 2022. It's down 16% so far in 2026.