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SanDisk Up Over 40% Past Month: Can the Rally Last?
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Key Takeaways
AI demand and tight NAND supply are driving SanDisk's powerful rally.
Long-term contracts could improve revenue visibility and support margins.
SNDK's bullish RSI leaves room for gains, but valuation risks remain.
SanDisk (SNDK - Free Report) shares have been rallying hard, with the stock gaining over 16% over the past week and adding over 40% over the past month. So far this year, the stock is up over 530% thanks to the strong demand for memory used in AI infrastructure. Let’s find out what’s behind the rally and whether the rally can last.
Major Index Inclusion
SanDisk officially became a component of the Nasdaq-100 Index on April 20, 2026, replacing Atlassian Corporation. SanDisk was officially added to the MSCI Global Standard Indexes after the market close on August 31, 2026. The company is set to join the S&P 100 index on September 21, 2026, boosting its market visibility further.
AI Data-Center Storage Boom
Hyperscalers (Microsoft, Amazon, Alphabet, Meta, and Oracle) are pouring hundreds of billions into 2026 capex, with a large slice going to memory/storage. SanDisk’s data-center revenue jumped 437% year over year in FY2026 to about $5.15 billion, and data-center bits increased from about 12% to 38% of its mix.
AI Data???Center Storage Demand + NAND Pricing Strength
The broader memory market rallied on evidence that enterprise SSD and high???capacity flash demand from AI data centers remains very strong, with industry data showing enterprise SSD revenue roughly doubling quarter over quarter in Q2 and NAND pricing staying firm. That is directly supportive of SanDisk’s margins and contracted revenues.
Management noted that roughly two-thirds of Q4 FY2026 sequential growth came from pricing, not units. Tight NAND supply pushed average selling prices up sharply, lifting gross margins into the mid-80s.
Explosive Earnings Revision
In August, SanDisk’s fiscal 2026 revenue hit $20.25 billion (+175% year over year) while its Q4 revenue was $8.97B (+372% year over year) with EPS beating estimates. This triggered a wave of upgrades and target price hikes.
Based on short-term price targets offered by 22 analysts, the average price target for SanDisk Corporation comes to $2,155.45. The forecasts range from a low of $1,400.00 to a high of $3,000.00. The average price target represents an increase of 23.88% from the last closing price of $1,740.00.
Over the past 30 days, two out of five analysts raised Zacks Consensus Estimates for earnings for the quarter to be reported, while just one lowered the same. Over the past 60 days, three analysts raised earnings estimates for the September quarter, while none lowered them.
Upbeat Outlook
Management projects mid-to-high-teens annual revenue growth from fiscal 2028 through 2030, with about 80% non-GAAP gross margins, about 75% operating margins and about 50% adjusted free-cash-flow margins – well above traditional NAND economics, as mentioned in Investing.com.
If those targets prove achievable, investors may continue to value SNDK more like a high-quality AI infrastructure company than a cyclical memory stock. SanDisk has also signed New Business Model (NBM) agreements with eight customers worth about $93.9 billion, covering 50% of fiscal 2027 bits and roughly two-thirds of fiscal 2028 bits.
The four-year contracts reduce earnings volatility and support the margin story, while reducing—but not eliminating—exposure to memory-price swings.
Can the Rally Last?
Yes, SNDK can continue higher, particularly if NAND pricing remains tight. However, the most important test now is whether actual quarterly earnings and cash flow begin catching up with the FY2028-30 promises.
Coming to technical analysis, an RSI of 61.24 for SNDK generally means the stock has positive momentum but is not yet technically overbought. So, 61.24 suggests SNDK remains in a bullish momentum zone, with buyers still having the upper hand. It does not by itself signal that the stock is due for a decline.
Given SNDK’s huge recent rally, though, an RSI above 70 appears within reach. A move above 70 would indicate increasingly stretched momentum. SNDK currently has a Zacks Rank #3 (Hold).
SanDisk-Heavy ETFs in Focus
Below, we highlight a few ETFs that are heavily weighted toward SanDisk.
View the Zacks #1 Rank List
Image: Bigstock
SanDisk Up Over 40% Past Month: Can the Rally Last?
Key Takeaways
SanDisk (SNDK - Free Report) shares have been rallying hard, with the stock gaining over 16% over the past week and adding over 40% over the past month. So far this year, the stock is up over 530% thanks to the strong demand for memory used in AI infrastructure. Let’s find out what’s behind the rally and whether the rally can last.
Major Index Inclusion
SanDisk officially became a component of the Nasdaq-100 Index on April 20, 2026, replacing Atlassian Corporation. SanDisk was officially added to the MSCI Global Standard Indexes after the market close on August 31, 2026. The company is set to join the S&P 100 index on September 21, 2026, boosting its market visibility further.
AI Data-Center Storage Boom
Hyperscalers (Microsoft, Amazon, Alphabet, Meta, and Oracle) are pouring hundreds of billions into 2026 capex, with a large slice going to memory/storage. SanDisk’s data-center revenue jumped 437% year over year in FY2026 to about $5.15 billion, and data-center bits increased from about 12% to 38% of its mix.
AI Data???Center Storage Demand + NAND Pricing Strength
The broader memory market rallied on evidence that enterprise SSD and high???capacity flash demand from AI data centers remains very strong, with industry data showing enterprise SSD revenue roughly doubling quarter over quarter in Q2 and NAND pricing staying firm. That is directly supportive of SanDisk’s margins and contracted revenues.
Management noted that roughly two-thirds of Q4 FY2026 sequential growth came from pricing, not units. Tight NAND supply pushed average selling prices up sharply, lifting gross margins into the mid-80s.
Explosive Earnings Revision
In August, SanDisk’s fiscal 2026 revenue hit $20.25 billion (+175% year over year) while its Q4 revenue was $8.97B (+372% year over year) with EPS beating estimates. This triggered a wave of upgrades and target price hikes.
Based on short-term price targets offered by 22 analysts, the average price target for SanDisk Corporation comes to $2,155.45. The forecasts range from a low of $1,400.00 to a high of $3,000.00. The average price target represents an increase of 23.88% from the last closing price of $1,740.00.
Over the past 30 days, two out of five analysts raised Zacks Consensus Estimates for earnings for the quarter to be reported, while just one lowered the same. Over the past 60 days, three analysts raised earnings estimates for the September quarter, while none lowered them.
Upbeat Outlook
Management projects mid-to-high-teens annual revenue growth from fiscal 2028 through 2030, with about 80% non-GAAP gross margins, about 75% operating margins and about 50% adjusted free-cash-flow margins – well above traditional NAND economics, as mentioned in Investing.com.
If those targets prove achievable, investors may continue to value SNDK more like a high-quality AI infrastructure company than a cyclical memory stock. SanDisk has also signed New Business Model (NBM) agreements with eight customers worth about $93.9 billion, covering 50% of fiscal 2027 bits and roughly two-thirds of fiscal 2028 bits.
The four-year contracts reduce earnings volatility and support the margin story, while reducing—but not eliminating—exposure to memory-price swings.
Can the Rally Last?
Yes, SNDK can continue higher, particularly if NAND pricing remains tight. However, the most important test now is whether actual quarterly earnings and cash flow begin catching up with the FY2028-30 promises.
Coming to technical analysis, an RSI of 61.24 for SNDK generally means the stock has positive momentum but is not yet technically overbought. So, 61.24 suggests SNDK remains in a bullish momentum zone, with buyers still having the upper hand. It does not by itself signal that the stock is due for a decline.
Given SNDK’s huge recent rally, though, an RSI above 70 appears within reach. A move above 70 would indicate increasingly stretched momentum. SNDK currently has a Zacks Rank #3 (Hold).
SanDisk-Heavy ETFs in Focus
Below, we highlight a few ETFs that are heavily weighted toward SanDisk.
Tema Memory ETF (DISK - Free Report) – SanDisk Weight 17%
FINQ FIRST U.S. Large Cap AI-Managed Equity ETF (AIUP - Free Report) – SanDisk Weight 15%
FINQ DOLLAR NEUTRAL U.S. Large Cap AI-Managed Equity ETF (AINT - Free Report) – SanDisk Weight 9.38%
Invesco S&P Spin-Off ETF (CSD - Free Report) – SanDisk Weight 9.05%
First Trust US Equity Opportunities ETF (FPX - Free Report) – SanDisk Weight 8.06%
Invesco S&P 500 Pure Growth ETF (RPG - Free Report) – SanDisk Weight 8.00%