Stock Selection: Muse Spark 1.1's picks for 2026-09-15
Muse Spark 1.1 picked XLE, OXY, MPC, XOM, CVX for a 1-day horizon. Portfolio return vs SPY: -0.89%. Picks that beat SPY: 20%.
| Experiment | Stock Selection |
|---|---|
| Model | Muse Spark 1.1 |
| Prompt version | stock-selection-v7 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-09-15 |
| Measured to | 2026-09-16 |
| Benchmark | SPY |
| Status | Settled |
| Portfolio return vs SPY | -0.89% |
| Picks that beat SPY | 20% |
| Benchmark return | +0.12% |
The picks
| Rank | Symbol | Return | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|
| 1 | XLE | -1.04% | 76% | -1.16% | No |
| 2 | OXY | -3.30% | 73% | -3.43% | No |
| 3 | MPC | +1.93% | 71% | +1.81% | Yes |
| 4 | XOM | -0.94% | 69% | -1.06% | No |
| 5 | CVX | -0.51% | 67% | -0.63% | No |
The model's market view
Sep 15 2026 FOMC eve: TalkMarkets Market Pulse Sep 15 5am notes rising oil fuels inflation concerns with 88% chance of Fed rate hike tomorrow, Brent near $106.9-107, WTI near $102.8 up 1.2-1.4% as Saudi East-West pipeline shut after drone strikes and Hormuz talks stalled. NordFX Sep 15 brief says FOMC decision tomorrow pricing 87-88% hike, ECB hiked Sep 10 to 2.50%. Kitco reports energy premarket higher with Marathon Petroleum +1.57% and Occidental +1.63%. SPY pressured by yields, with consumer sentiment falling to 47.8 vs 51.3 expected per Barchart CPI wrap. Energy likely outperforms SPY in 1 session.
Why each pick
XLE
Energy Select Sector SPDR is direct play on Brent $106.9-107 and WTI $102.8 up 1.2-1.4% Sep 15 per TalkMarkets. Previous XLE gained 0.83% on $100 break and remains poised to extend. In Fed-hike fear tape where SPY weighed by growth multiple compression, XLE's commodity correlation and 88% hike odds tailwind provides relative strength. Risks: oil reversal if pipeline reopens, profit-taking after 20% monthly rise, broad market selloff dragging all.
OXY
Occidental Petroleum climbing 1.63% premarket per Kitco Sep 15 report, leveraged to WTI $102.8 and Permian production. Benefits from Saudi pipeline shut and Hormuz stall supply risk premium. High beta vs SPY for 1-day outperformance when crude leads tape. Cited as big oil gaining 2% on USO up 3.3% in similar oil surge. Risks: crude pullback, higher rates raising cost of capital, and execution risk if OPEC supply returns.
MPC
Marathon Petroleum +1.57% premarket Sep 15 per Kitco, refining beneficiary when crude spikes and product inventories tight. Refining cracks widen with Brent-WTI spread and supply disruption. Outperforms SPY in inflation-driven tape as earnings levered to diesel/gasoline. Risks: crack spread compression if demand softens, margin volatility, and regulatory risk.
XOM
ExxonMobil largest SPY energy weight, gained 2% on prior crude surge when USO up 3.3% per TheStreet. Direct leverage to Brent $106-109 and WTI $102, with disciplined buybacks supporting relative performance when SPY pressured by 88% Fed hike odds. Lower duration than tech-heavy SPY. Risks: crude reversal, windfall tax chatter, and broad equity drawdown.
CVX
Chevron second mega-cap oil with similar Brent leverage $106.9-107, benefits from elevated commodity price and supply disruption narrative. Provides diversification within energy basket and income defense when yields rise. Zacks Sep 3 rotation noted CVX as top energy pick for September when oil and rates shape month. Likely to outperform SPY if energy leads. Risks: operational issues, refining margin squeeze, and geopolitical de-escalation.
Other models on the same run
| Model | Picks | Portfolio return vs SPY | Picks that beat SPY |
|---|---|---|---|
| DeepSeek V3 | RLGT, WAY, FPS, AGL, RMD | -0.62% | 60% |
| Gemini 1.5 Pro | USO, XLE, ETSY, CE, LMT | +0.11% | 40% |
| Grok 4.5 | XLE, CRWD, CVX, PANW, XOM | +0.15% | 40% |
| Claude Opus 5 | XLE, SMH, XLV, XOP, ITA | -0.20% | 60% |
| GPT-6 | XLE, USMV, XLP, XLV, CIBR | +0.11% | 40% |
Written up on ForecastNest Insights: Stock Selection: Muse Spark 1.1's picks for 2026-09-15.
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