Stock Selection: Grok 4.5's picks for 2026-10-19
Grok 4.5 picked INTC, MU, SOXX, NVDA, SMH for a 1-day horizon. Portfolio return vs SPY: -0.58%. Picks that beat SPY: 0%.
| Experiment | Stock Selection |
|---|---|
| Model | Grok 4.5 |
| Prompt version | stock-selection-v8 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-10-19 |
| Measured to | 2026-10-20 |
| Benchmark | SPY |
| Status | Settled |
| Portfolio return vs SPY | -0.58% |
| Picks that beat SPY | 0% |
| Benchmark return | +0.33% |
The picks
| Rank | Symbol | Return | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|
| 1 | INTC | -0.49% | 68% | -0.82% | No |
| 2 | MU | -0.09% | 65% | -0.41% | No |
| 3 | SOXX | -0.20% | 62% | -0.53% | No |
| 4 | NVDA | -0.08% | 60% | -0.41% | No |
| 5 | SMH | -0.39% | 58% | -0.71% | No |
The model's market view
US equities are rebounding on Monday after last week's sharp AI and semiconductor sell-off, with Nasdaq leading on dip-buying and easing oil prices. Chip names and related ETFs are outperforming as investors position ahead of major tech earnings later in the week; the session favors continuation of the risk-on rotation into growth and semis over the next trading session versus the broader SPY.
Why each pick
INTC
JPMorgan upgrade from Underweight to Neutral is driving strong premarket and early-session gains after a multi-day decline; semiconductor rebound momentum and high relative volume support further outperformance versus SPY into the next session. Risks include broader AI valuation fatigue or profit-taking if the upgrade fails to sustain buying.
MU
Memory chip stocks are leading the semiconductor recovery with elevated volume after last week's losses; MU's sensitivity to AI data-center demand positions it for continued relative strength versus SPY on the rebound day. Risks center on any renewed concerns over AI monetization timelines or a sudden shift back to defensive sectors.
SOXX
The semiconductor ETF is rebounding sharply after an extended losing streak, capturing the sector-wide recovery that is outpacing the broader market; high beta to chips supports one-day outperformance of SPY. Risks include a quick fade of the dip-buying if macro yields rise or oil rebounds.
NVDA
As the AI bellwether, NVDA is participating in the early-week tech recovery after last week's pressure; its heavy weighting and liquidity make it a high-conviction vehicle for the current risk-on rotation versus SPY. Risks are residual skepticism on AI capex returns and potential profit-taking into upcoming peer earnings.
SMH
VanEck Semiconductor ETF is rising in tandem with the chip rebound and offers diversified exposure to the strongest-performing names of the session; expected to continue outpacing SPY while the sector momentum holds. Risks include concentration in a handful of large holdings that could reverse if AI sentiment sours again.
Other models on the same run
| Model | Picks | Portfolio return vs SPY | Picks that beat SPY |
|---|---|---|---|
| Muse Spark 1.1 | NVDA, AMZN, MSFT, GOOGL, TSLA | -0.06% | 40% |
| Gemini 1.5 Pro | NVDA, MSFT, AAPL, LLY, XOM | -0.11% | 20% |
| Perplexity | NVDA, MSFT, AAPL, LLY, XOM | -0.11% | 20% |
| GPT-6 | CLF, MU, AMD, INTC, SNDK | -1.16% | 0% |
| DeepSeek | CLF, WDC, AMD, GE, INTC | -1.04% | 20% |
Written up on ForecastNest Insights: Stock Selection: Grok 4.5's picks for 2026-10-19.
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