Event Gaps: Claude Sonnet 5.5's picks for 2026-10-01
Claude Sonnet 5.5 picked TSLA, NKE, SNPS, ACN, MU for a 1-day horizon. Intraday alpha vs SPY: -4.96%. Picks with positive alpha: 20%.
| Experiment | Event Gaps |
|---|---|
| Model | Claude Sonnet 5.5 |
| Prompt version | event-gap-v12 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-10-01 |
| Measured to | 2026-10-02 |
| Benchmark | SPY |
| Status | Settled |
| Intraday alpha vs SPY | -4.96% |
| Picks with positive alpha | 20% |
| Benchmark return | +1.52% |
The picks
| Rank | Symbol | Gap direction | Price change | Return in the called direction | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|---|---|
| 1 | TSLA | +4.73% | +4.73% | 56% | +3.21% | Yes | |
| 2 | NKE | -7.23% | -7.23% | 54% | -8.75% | No | |
| 3 | SNPS | +0.87% | +0.87% | 50% | -0.65% | No | |
| 4 | ACN | -10.21% | -10.21% | 47% | -11.73% | No | |
| 5 | MU | +5.33% | -5.33% | 43% | -6.85% | No |
The model's market view
Tape is mixed: tech and AI infrastructure are firm, but the 10-year Treasury yield is near 24-year highs and the September jobs report lands Friday morning, inside the window. Idiosyncratic catalysts matter more than direction for the index. The window runs from about 10:05 ET Oct 1 to about 10:05 ET Oct 2, so it includes Nike's after-close report and the Tesla delivery print but only the first ~35 minutes of Friday's session. I lean long in four names (two scheduled catalysts with a skewed setup, two already-observed catalysts with continuation potential) and short one name that gave a muted reaction to a blowout report. Quotes are mostly pre-market or early-session snapshots from Oct 1. The scoring return starts at the window start, so any move after those quotes counts. This is a lean, not high conviction, and the macro print is the common risk.
Why each pick
TSLA
Thesis: Tesla's Q3 production and deliveries release is scheduled for Friday Oct 2 (date confirmed by multiple outlets; exact time not confirmed). The company-compiled consensus is 461,974 deliveries, but the Kalshi market-implied figure is about 481,000, and Tesla beat its own Q2 consensus by about 74,000 units. Record energy storage (consensus 15.9 GWh) adds an upside leg, and sell ratings are at a 3-year low. The stock is near the low end of its 52-week range ($297-$499) and gave back about 4% on Monday when the Roadster unveiling slipped to Oct 15, so the setup is moderately favorable for a relief move. Anticipation into the print can lift the stock even before the release. Risks: Goldman (435k), Cantor (about 422k) and StoneX (446.5k) are below consensus, so a miss on US and China demand could reverse the move. A strong jobs report and higher yields could hit high-beta growth. Reference price is a pre-market quote on Oct 1 (previous close $354.81). Market cap and 3-month average volume are as reported; dollar volume is average shares times recent price (about $13.7B).
NKE
Thesis: Nike reports fiscal Q1 2027 after the close on Oct 1 (about 4:15 PM ET; officially scheduled). Consensus is $0.44 EPS on about $11.3B revenue, and the whisper is $0.48. The stock sits at a 12-year low near $35, down about 41-43% year to date. Management already guided revenue down low-to-mid single digits, so the top-line bar is low. Nike has beaten EPS in each of the last four quarters. Short interest is at a record (about 87M shares, about 7% of float), and a BofA downgrade to Underperform ($30 target) and Piper's estimate cuts are already in the price. A less-bad China print or margin commentary could trigger a squeeze, and anticipation of that is reflected in positioning. Risks: retailers reportedly cut spring 2027 orders, promotions have intensified, and FY27 guidance could be cut. The window includes only the first ~35 minutes of Friday's session, so the opening gap dominates. Direction is a close call. Reference price is a pre-market quote on Oct 1 (previous close $35.40). Dollar volume is the 10-day average shares times recent price.
SNPS
Thesis: Synopsys held its Investor Day on Wednesday Sept 30 (observed). It announced a revenue-sharing partnership with OpenAI (GPT-Synopsys), an AWS agreement worth more than $1B, a roughly $1B buyback, and FY27 revenue guidance of about $11.15B (about 15% growth) versus about $10.8B consensus. FY27 EPS guidance of $19.04-$19.12 is far above the $16.78 consensus. Baird upgraded, Rosenblatt raised its target to $620, and the stock is up about 12% on Thursday morning. Further target raises and estimate revisions on Friday could extend the move. Risks: this is a large gap that has already happened, so profit-taking and emotional continuation risk are high. Elliott's stake adds volatility, and rising yields hurt long-duration tech. Reference price is a real-time quote at 9:53 AM ET Oct 1 (previous close $434.94). Dollar volume is the 10-day average shares (2.15M) times the prior close, so approximate.
ACN
Thesis: Accenture reported fiscal Q4 before the open on Oct 1 (observed): EPS $3.29 versus $3.18-$3.21 expected, revenue $18.7B versus about $18.0-$18.3B, record big-ticket bookings (about $84.5B for FY26) and an upbeat FY27 outlook (3-6% revenue growth). The stock gapped up about 17% from $183.37 to about $215. Short-covering and a wave of price-target raises are likely, since the average target (about $193) is now below the price. Post-earnings drift after a large beat in a heavily de-rated name can continue. Risks: a very large one-day gap invites a fade, valuation downgrades are possible, and the AI-deflation narrative is still alive. Reference price is an early-session quote on Oct 1. Market cap is Yahoo's figure at the Sept 30 close ($183.37), so it understates today's cap. Dollar volume is the 3-month average shares (6.3M) times the Sept 30 close, so approximate.
MU
Thesis: Micron reported fiscal Q4 after the close on Sept 30 (observed): EPS $33.42 versus about $31.82, revenue $54.23B versus about $51.5B, and Q1 guidance of $61.5B plus or minus $1.5B. The stock barely moved after hours and was flat to slightly lower in early trading on Oct 1. A muted reaction to a clear beat-and-raise suggests the good news is priced in after a gain of about 270% year to date, while commentary pointed to higher capex and softer margin guidance. Historically the stock has averaged about a 3.4% decline in the week after beats, and it fell sharply after the June report despite a strong first-day move. Risks: shorting a strong AI-memory trend is dangerous, since chip stocks are rallying on Micron's coattails, supply tightness is expected to last through 2027 and buybacks are planned. A soft jobs print could also spark a rebound. This is the lowest-conviction pick. Reference price is the Oct 1 session quote (range $1,041-$1,089). Market cap and 3-month average volume (34.1M shares) are as reported; dollar volume is shares times the prior close (about $36B).
Other models on the same run
| Model | Picks | Intraday alpha vs SPY | Picks with positive alpha |
|---|---|---|---|
| GPT-5.6 Sol | ACN, NKE, MU, MKC, AYI | -2.48% | 40% |
| Muse Spark 1.1 | ACN, NKE, TSLA, AYI, CPRX | -2.00% | 40% |
| Gemini 1.5 Pro | NVDA, TSLA, AMZN, AMD, MSFT | +0.77% | 60% |
| Kimi | ACN, UTHR, LQDA, NKE, MKC | -5.18% | 20% |
| DeepSeek | NKE, SWKS, QRVO, VICR, ROG | -0.42% | 40% |
Written up on ForecastNest Insights: Event Gaps: Claude Sonnet 5.5's picks for 2026-10-01.
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