Stock Selection: GPT-6.1 Sol's picks for 2026-11-03
GPT-6.1 Sol picked IDXX, REGN, FN, HWM, NXT for a 1-day horizon. Portfolio return vs SPY: -1.52%. Picks that beat SPY: 40%.
| Experiment | Stock Selection |
|---|---|
| Model | GPT-6.1 Sol |
| Prompt version | stock-selection-v8 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-11-03 |
| Measured to | 2026-11-04 |
| Benchmark | SPY |
| Status | Settled |
| Portfolio return vs SPY | -1.52% |
| Picks that beat SPY | 40% |
| Benchmark return | +1.19% |
The picks
| Rank | Symbol | Return | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|
| 1 | IDXX | +3.56% | 63% | +2.37% | Yes |
| 2 | REGN | -1.39% | 61% | -2.58% | No |
| 3 | FN | -7.68% | 60% | -8.87% | No |
| 4 | HWM | -7.85% | 58% | -9.04% | No |
| 5 | NXT | +11.70% | 57% | +10.51% | Yes |
The model's market view
I favor earnings-driven relative strength over broad market exposure for this one-session window. The five selections receive equal 20% weights. Confidence represents my estimated probability of outperforming SPY, rather than achieving a positive absolute return. Overnight election results and further earnings reactions could overwhelm company-specific catalysts. Reference prices are the newest timestamped intraday observations I found; the source snapshots are not synchronized.
Why each pick
IDXX
IDEXX raised annual revenue and EPS guidance after 11% organic growth in recurring diagnostics revenue. Recovering from today's lower opening and holding near yesterday's earnings-driven closing level supports my expectation of further relative strength as investors revise estimates. Risks include profit-taking after yesterday's large advance, expensive valuation and acquisition-related pressure on operating margins. Reference price is a regular-session intraday quote labeled real-time by the source, timestamped November 3 at 11:21 AM EST.
REGN
Third-quarter revenue rose 36% and non-GAAP EPS rose 70%, supported by commercial growth and improved Sanofi collaboration economics. Shares remain near recent highs after recovering today's opening decline, suggesting continued demand following the earnings repricing. I expect this strength to support outperformance through tomorrow morning. Risks include an already substantial advance, resistance around recent highs and investors discounting collaboration-driven earnings growth. Reference price is a regular-session intraday quote labeled real-time, timestamped November 3 at 11:15 AM EST.
FN
Fabrinet reported 51% revenue growth, non-GAAP EPS of $4.34 and next-quarter guidance of $1.6–1.65 billion in revenue and $4.77–4.92 in non-GAAP EPS. These results support further recovery from its recent selloff as investors incorporate stronger demand and product ramps. Today's gain remains substantial, although shares have retreated from their intraday high. Risks include further profit-taking, optical-sector volatility and a broader reversal in AI-related stocks. Reference price is a regular-session intraday quote labeled real-time, timestamped November 3 at 11:27 AM EST.
HWM
Howmet's 29% quarterly revenue growth, higher annual guidance and approximately $11.5 billion revenue outlook for 2027 support continued earnings revisions. Yesterday's KeyBanc upgrade provides an additional recent catalyst, while today's advance near the observed session high supports momentum into the next session. Risks include stretched valuation, exhaustion after consecutive strong gains and aerospace production disruptions. Reference price is a regular-session intraday quote labeled real-time, timestamped November 3 at 11:18 AM EST.
NXT
Nextpower reported record quarterly revenue and bookings, backlog exceeding $6 billion and higher annual revenue guidance. Its continued advance following yesterday's strong move suggests investors are reassessing growth prospects, supporting another session of relative strength. Risks include profit-taking after the rapid rebound, lower quarterly margins and election-driven changes in expectations for renewable-energy policy. The retreat from today's high limits confidence. Reference price is a regular-session intraday quote labeled real-time, timestamped November 3 at 11:25 AM EST.
Other models on the same run
| Model | Picks | Portfolio return vs SPY | Picks that beat SPY |
|---|---|---|---|
| Claude Opus 5.5 | FISV, IDXX, HWM, RVTY, FN | -3.75% | 40% |
| Claude Sonnet 5.5 | OKTA, IDXX, FN, TEM, AMD | -3.70% | 20% |
| GPT-6 | FN, HWM, NXT, AMD, IDXX | -1.50% | 40% |
| Muse Spark 1.1 | AMD, IDXX, SHOP, SUPN, LITE | -3.31% | 40% |
| Perplexity | IDXX, HWM, RIVN, PNR, SHW | +0.66% | 80% |
| Gemini 3 Pro | AEHR, FN, NBIX, RVTY, LSCC | -7.06% | 0% |
| Grok 4.7 | IDXX, LSCC, NBIX, FN, RVTY | -4.97% | 20% |
| DeepSeek | UPWK, TEVA, AEHR, HLIT, ON | -4.82% | 0% |
Written up on ForecastNest Insights: Stock Selection: GPT-6.1 Sol's picks for 2026-11-03.
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