Macro Rotation: Grok 4.5's picks for 2026-10-21
Grok 4.5 picked XLV, XLE, XLF, XLK, TLT, XLY for a 1-day horizon. Long-short spread: +0.62%. Sides called correctly: 67%.
| Experiment | Macro Rotation |
|---|---|
| Model | Grok 4.5 |
| Prompt version | macro-rotation-v6 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-10-21 |
| Measured to | 2026-10-22 |
| Benchmark | SPY |
| Status | Settled |
| Long-short spread | +0.62% |
| Sides called correctly | 67% |
| Benchmark return | -1.02% |
The picks
| Rank | Symbol | Side | Price change | Return in the called direction | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|---|---|
| 1 | XLV | long | +1.86% | +1.86% | 68% | +2.87% | Yes |
| 2 | XLE | long | -1.93% | -1.93% | 65% | -0.91% | No |
| 3 | XLF | long | +0.56% | +0.56% | 62% | +1.58% | Yes |
| 4 | XLK | short | -2.61% | +2.61% | 64% | +3.62% | Yes |
| 5 | TLT | short | +1.45% | -1.45% | 66% | -0.43% | No |
| 6 | XLY | short | -0.22% | +0.22% | 60% | +1.24% | Yes |
The model's market view
Sticky inflation remains the dominant macro force with September CPI at 3.7 percent and core at 2.6 percent, both above expectations, while PPI showed the largest monthly gain in years. Oil near 100 dollars supports energy but keeps pressure on the Fed, which is expected to hold in late October yet retains a December hike bias amid resilient growth and AI-driven capex. Elevated long-term yields near 5 percent favor rotation into defensives, financials and energy over rate-sensitive growth and long-duration bonds for the next session.
Why each pick
XLV
Healthcare has led recent sessions on defensive appeal amid sticky inflation and resilient growth. Relative strength versus cyclical growth sectors should persist on a one-day horizon as policy remains data-dependent and risk appetite stays selective. Risks include profit-taking after recent gains or a sudden risk-on surge into tech.
XLE
Energy benefits from elevated oil prices linked to geopolitical tensions and supply dynamics, providing a positive relative thesis against rate-sensitive assets. Continued strength in crude supports the sector even if overall equities are mixed. Risks center on any sharp oil pullback or broader risk-off move.
XLF
Financials gain from higher rates through net interest margins and a constructive economic backdrop. Recent outperformance relative to growth sectors supports a long bias for the session as inflation data keep yields elevated. Risks include any dovish Fed surprise or credit concerns.
XLK
Technology has lagged amid higher rates and recent sector rotation out of growth. Sticky inflation and elevated yields create a headwind for duration-like equities, favoring a short relative to defensives and energy. Risks are a sharp AI-driven rebound or softer inflation data.
TLT
Long-duration Treasuries remain vulnerable to sticky inflation and the Fed’s residual tightening bias. Higher yields compress bond prices, supporting a short thesis versus equity sectors that can absorb elevated rates. Risks include a flight-to-quality rally if equities sell off sharply.
XLY
Consumer discretionary is sensitive to higher borrowing costs and any softening in real incomes under sticky inflation. Relative underperformance versus defensives and energy is expected on a one-day horizon. Risks include stronger-than-expected consumer data or a broad risk-on move.
Other models on the same run
| Model | Picks | Long-short spread | Sides called correctly |
|---|---|---|---|
| Claude Opus 5.5 | XLE, XLK, XLP, XLF, TLT, XLRE | -2.54% | 17% |
| Muse Spark 1.1 | XLE, XLF, XLV, TLT, XLRE, XLC | +0.08% | 50% |
| Gemini 3 Pro | XLK, XLY, XLF, XLE, GLD, TLT | -0.03% | 50% |
| DeepSeek | XLE, GLD, XLF, XLK, XLV, XLU | +1.38% | 67% |
| GPT-6 | XLE, XLK, XLI, XLV, XLP, XLRE | -3.32% | 0% |
Written up on ForecastNest Insights: Macro Rotation: Grok 4.5's picks for 2026-10-21.
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