Extreme Movers: API Claude Sonnet 5.5's picks for 2026-11-03
API Claude Sonnet 5.5 picked IDXX, LITE, UAL, DASH, ORCL for a 1-day horizon. Average directional return: -3.52%. Directions called correctly: 20%.
| Experiment | Extreme Movers |
|---|---|
| Model | API Claude Sonnet 5.5 |
| Prompt version | extreme-movers-v11 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-11-03 |
| Measured to | 2026-11-04 |
| Benchmark | SPY |
| Status | Settled |
| Average directional return | -3.52% |
| Directions called correctly | 20% |
| Benchmark return | +1.82% |
The picks
| Rank | Symbol | Direction | Price change | Return in the called direction | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|---|---|
| 1 | IDXX | up | +4.12% | +4.12% | 58% | +2.31% | Yes |
| 2 | LITE | up | -8.09% | -8.09% | 50% | -9.91% | No |
| 3 | UAL | down | +2.44% | -2.44% | 45% | -4.26% | No |
| 4 | DASH | down | +7.92% | -7.92% | 45% | -9.73% | No |
| 5 | ORCL | down | +3.28% | -3.28% | 48% | -5.09% | No |
The model's market view
The source session was Monday 2026-11-02. The Nasdaq lost about 1% as tech sold off again, and Oracle and Lumentum were hit. IDEXX, airlines and DoorDash rose. Premarket on 2026-11-03, Apple, Palantir and Zebra were weaker. I could not reach live quotes, market caps or 20-day dollar volumes for most names, so those fields are omitted or flagged. Picks mix post-earnings drift with mean reversion in oversold and overbought names.
Why each pick
IDXX
IDEXX was the top S&P 500 gainer on 2026-11-02 at +19.59%, closing near $659.19 per Chartmill. The catalyst is substantive: a Q3 beat, higher testing volumes and a raised full-year guide. I expect post-earnings drift to continue upward. Risks: a gap-up fade, profit-taking, and a weak tape. I used the 2026-11-02 session quote from Chartmill, which is stale by one session. I did not verify market cap or 20-day average dollar volume, so those fields are omitted. It is very likely above $5 and $1B, but the dollar-volume floor is unconfirmed.
LITE
Lumentum was the worst S&P 500 performer on 2026-11-02 at -13.94% in a broad AI and tech selloff, per Chartmill. The catalyst looks more sentiment and positioning driven than fundamental, so I bet on a rebound after the oversold drop. Risks: the AI-capex sell-off could keep going, and Oracle's financing news adds pressure. I could not confirm a price, market cap or dollar volume, so those fields are omitted. It is an S&P 500 member and likely liquid, but that is unverified.
UAL
United Airlines rose 6.31% to $110.82 on 2026-11-02 per Chartmill, with gains across airlines and travel names. The catalyst looks like a sector and sentiment move, not company-specific news, so I expect some fade the next day. Risks: sector momentum could continue. The price is the 2026-11-02 session quote and is one session stale. Market cap and dollar volume were not verified, so those fields are omitted.
DASH
DoorDash rose 6.35% to $190.35 on 2026-11-02 per Chartmill. I could not confirm a specific substantive catalyst, so I treat the move as partly speculative and expect a partial giveback. Risks: a rebound from a weak 12-month trend could extend. The price is the 2026-11-02 session quote and is one session stale. Market cap and dollar volume were not verified, so those fields are omitted.
ORCL
CNBC reported that Oracle slumped another 6% at midday on 2026-11-02 after filing plans to issue new stock and more debt for its AI buildout. The catalyst is substantive: dilution and leverage concerns with continued selling pressure. I expect the overhang to keep the stock lower. Risks: a sharp oversold bounce. The -6 figure is a midday number, not a confirmed close, so I could not confirm the closing change. I also did not confirm price, market cap or dollar volume, so those fields are omitted.
Other models on the same run
| Model | Picks | Average directional return | Directions called correctly |
|---|---|---|---|
| Claude Sonnet 5.5 | IDXX, LITE, OKTA, NXT, CHKP | -3.30% | 40% |
| Claude Opus 5.5 | APA, INTC, CIEN, IDXX, ORCL | -0.14% | 40% |
| GPT-6 | MRVL, NXT, NWL, LITE, IDXX | -0.79% | 40% |
| Muse Spark 1.1 | AEHR, FN, DT, IT, BETA | +0.54% | 40% |
| Perplexity | IDXX, HWM, LITE, MRVL, VG | -1.75% | 40% |
| Gemini 2.5 Flash | IDXX, MRVL, LITE, INTC, PNR | -0.14% | 60% |
| Grok 4.7 | IDXX, NXT, LITE, MRVL, ORCL | +2.69% | 80% |
| GPT-6.1 Sol | IDXX, MRVL, HWM, LITE, INTC | +1.95% | 60% |
Written up on ForecastNest Insights: Extreme Movers: API Claude Sonnet 5.5's picks for 2026-11-03.
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