What NVIDIA’s Earnings Elasticity Says About Samsung And SK Hynix
This is a follow-up to the Micron FY3Q26 review, the Samsung-Hynix-Micron parity series, the HBM4E allocation note, and the Samsung catch-up work. The question is simple: if Samsung Electronics and SK Hynix still have strong earnings, can their stocks keep rising with the same elasticity?
The NVIDIA case says no. Stocks do not react only to the level of earnings. They react to the rate of change, the second derivative of growth, and whether estimates are still being revised up faster than the stock has already moved.
TL;DR
- NVIDIA’s first share-price elasticity slowdown started around calendar 3Q24. The more structural plateau began around calendar 4Q25 to 1Q26.
- Revenue kept exploding, but the stock started responding less to absolute growth and more to the durability of surprise.
- The Samsung and SK Hynix earnings cycle has not broken yet. Recent SK Hynix, Samsung, and Micron results still point to strong AI-memory demand.
- The stock-cycle risk is different. Samsung and SK Hynix entered a first overheated zone around June 2026.
- The main decision window is 4Q26 to 1Q27. Watch 2027 HBM contract pricing and volumes, HBM4 share, NVIDIA and hyperscaler AI capex, and memory operating-margin peak-out.
- My equity call is conditional buy for Samsung Electronics and wait for SK Hynix. SK Hynix is the higher-quality HBM leader, but it is now a crowded winner. Samsung still has HBM4 and Vera Rubin catch-up optionality.
The NVIDIA Lesson
NVIDIA was the cleanest listed-equity case of the AI semiconductor cycle. The stock moved first, then the earnings caught up. But once the market fully believed the earnings path, excellent results no longer produced the same stock response.
| NVIDIA reporting quarter | Revenue growth | Data-center growth | Calendar-quarter stock move | Read-through |
|---|---|---|---|---|
| FY23 Q4, reported Feb 2023 | YoY -21%, QoQ +2% | n/a | 2023 Q1 +90.1% | AI expectations moved before earnings |
| FY24 Q1, reported May 2023 | YoY -13%, QoQ +19% | DC revenue $4.28bn | 2023 Q2 +52.3% | Guidance shock |
| FY24 Q2, reported Aug 2023 | YoY +101%, QoQ +88% | YoY +171%, QoQ +141% | 2023 Q3 +2.8% | First digestion |
| FY24 Q4, reported Feb 2024 | YoY +265%, QoQ +22% | YoY +409%, QoQ +27% | 2024 Q1 +82.5% | Blackwell confidence |
| FY25 Q2, reported Aug 2024 | YoY +122%, QoQ +15% | YoY +154%, QoQ +16% | 2024 Q3 -1.7% | First inflection |
| FY26 Q3, reported Nov 2025 | YoY +62%, QoQ +22% | YoY +66%, QoQ +25% | 2025 Q4 about 0.0% | Structural plateau begins |
| FY26 Q4, reported Feb 2026 | YoY +73%, QoQ +20% | YoY +75%, QoQ +22% | 2026 Q1 -6.5% | Strong earnings, weak elasticity |
| FY27 Q1, reported May 2026 | YoY +85%, QoQ +20% | YoY +92%, QoQ +21% | 2026 Q2 to Jun 26 +10.4% | Earnings follow-through, limited multiple expansion |
NVIDIA FY27 Q1 revenue was $81.6bn and data-center revenue was $75.2bn. The FY27 Q2 guide was $91.0bn, plus or minus 2%. Those are still exceptional numbers. Yet from September 2025 to June 2026, the stock barely moved compared with its earlier rise.
The lesson for Korean memory equities is clear: strong earnings are not enough. The stock has to be cheaper than the next estimate revision path.
Why Samsung And SK Hynix Have Not Broken Yet
The earnings cycle is still intact.
SK Hynix reported 1Q26 revenue of KRW 52.5763tn, operating profit of KRW 37.6103tn, and net income of KRW 40.3459tn. Samsung reported 1Q26 consolidated revenue of KRW 133.9tn and operating profit of KRW 57.2tn, with DS operating profit at KRW 53.7tn. Micron’s FY3Q26 was also very strong, with revenue of $41.456bn, non-GAAP EPS of $25.11, and non-GAAP gross margin of 84.9%.
That does not look like a demand collapse. It looks like a profitable shortage.
The problem is not the earnings cycle. The problem is the stock cycle. SK Hynix became South Korea’s most valuable company in June 2026, and Reuters reported that the stock was up more than 340% year-to-date. At that point, the market no longer needs proof that SK Hynix is an HBM winner. It needs proof that 2027 EPS estimates still have room to move up.
The Timing Framework
| Stage | Expected timing | Interpretation | Key signal |
|---|---|---|---|
| First stock-elasticity slowdown | Already around June 2026 | Overheated zone | SK Hynix market-cap leadership, retail FOMO, target-price chase |
| EPS-revision peak | 4Q26 to 1Q27 | Most important window | 2027 HBM contract price and volume disappoint or confirm |
| Earnings peak-out | 1H27 to 2H27 | Base-case fundamental risk window | HBM ASP growth slows and memory margin rolls over |
| Full memory downcycle | 2H27 to 2028 | Not yet confirmed | Supply catches demand and inventories build |
The stock can peak before earnings. That is the central point.
Five Break Conditions
| Break condition | What it means |
|---|---|
| HBM ASP flattens or declines | The first sign is likely price momentum slowing, not demand disappearing |
| SK Hynix margin falls for two straight quarters | Peak earnings risk becomes observable |
| Samsung and Micron reduce SK Hynix’s HBM premium | The monopoly premium becomes a leadership premium |
| NVIDIA data-center QoQ growth falls into single digits for two quarters | AI capex is no longer accelerating fast enough |
| 2027 supply catches demand | HBM4 and HBM4E ramp creates a new pricing regime |
Stock Implications
Samsung Electronics is the cleaner conditional buy. The point is not that Samsung’s memory business is good. The point is that its HBM laggard discount can narrow if HBM4 and SOCAMM2 revenue show up in DS margin.
SK Hynix remains the quality leader, but new buying is less attractive. The stock now needs more than a strong 2026. It needs 2027 HBM contracts to prove that EPS can still be revised up.
| Stock | View | Why |
|---|---|---|
| Samsung Electronics | Conditional buy | HBM4 and Vera Rubin catch-up can reduce the laggard discount |
| SK Hynix | Wait | Best HBM asset, but crowded and closer to peak-expectation risk |
| NVIDIA | Watchlist | AI leader, but earnings growth and share-price elasticity have separated |
| HBM equipment and substrates | Selective watch | Alpha can move down the bottleneck stack if megacap memory stalls |
Final View
Samsung and SK Hynix are not in an earnings breakdown. They are in a stock-elasticity test. The right question is no longer whether HBM is good. The right question is whether 2027 EPS revisions can outrun the stock price.
That makes Samsung Electronics the more asymmetric Korean memory expression today. SK Hynix is higher quality, but more fully believed.
Sources: NVIDIA FY27 Q1, NVIDIA FY26 Q4, Samsung 1Q26, SK Hynix 1Q26, Micron FY3Q26, Reuters on SK Hynix.
Disclaimer: This is research and information only, not investment advice.