Event Gaps: Gemini 1.5 Pro's picks for 2026-09-28
Gemini 1.5 Pro picked STFS, NKE, WKEY, MRK, WDAY for a 1-day horizon. Intraday alpha vs SPY: +1.48%. Picks with positive alpha: 80%.
| Experiment | Event Gaps |
|---|---|
| Model | Gemini 1.5 Pro |
| Prompt version | event-gap-v9 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-09-25 |
| Measured to | 2026-09-28 |
| Benchmark | SPY |
| Status | Settled |
| Intraday alpha vs SPY | +1.48% |
| Picks with positive alpha | 80% |
| Benchmark return | -0.36% |
The picks
| Rank | Symbol | Gap direction | Price change | Return in the called direction | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|---|---|
| 1 | STFS | down | +0.71% | +0.71% | 90% | +1.07% | Yes |
| 2 | NKE | down | +2.62% | +2.62% | 85% | +2.98% | Yes |
| 3 | WKEY | up | -0.66% | -0.66% | 75% | -0.30% | No |
| 4 | MRK | up | +0.70% | +0.70% | 70% | +1.06% | Yes |
| 5 | WDAY | down | +2.25% | +2.25% | 65% | +2.61% | Yes |
The model's market view
Broader market indices are trading mixed as investors balance elevated Treasury yields and rising oil prices against signs of potential macroeconomic stabilization. Going into the Monday open, we expect stock-specific catalysts, including public stock offerings, FDA approvals, and pre-earnings analyst downgrades, to drive significant opening gaps independent of the broader market's directional bias.
Why each pick
STFS
Star Fashion Culture Holdings priced a substantial 12 million share public offering at $0.80, which is drastically below its recent trading levels near $3.55. Such a highly dilutive event typically forces a significant realignment of the stock price towards the offering price as the market digests the influx of new supply. The primary risk to this downside forecast is heavy retail short covering or structural support delaying the full adjustment.
NKE
Nike is experiencing intense downward pressure following a harsh downgrade by Bank of America ahead of its October 1 earnings report. The analyst highlighted fragility in Nike's turnaround efforts and set a conservative $30 price target. This negative sentiment shift late in the week sets the stage for a continuation gap lower on Monday as institutional investors de-risk ahead of the print. The main risk is an unexpected pre-release of positive news countering the downgrade.
WKEY
WISeKey's announcement regarding its cross-border merger and subsequent name change to WISeQey Corp provides clarity on its corporate restructuring. The finalization of the share election process removes an overhang of uncertainty, which should invite bullish momentum at the next session's open. The primary risk is a potential "sell-the-news" reaction if investors feel the merger was already fully priced in.
MRK
Merck secured FDA approval for the combination of Welireg and Lenvima to treat adult patients with clear cell renal cell carcinoma (ccRCC). This adds a crucial revenue stream to their oncology portfolio. Positive pipeline and regulatory news typically cause an upward gap for large-cap pharmaceuticals as forward revenue estimates are adjusted upwards. The risk is that the broader healthcare sector weakness drags down the upside potential.
WDAY
A recent SEC Form 4 filing revealed that Workday Director David Duffield sold approximately $19.1 million worth of shares. While insider selling can occur for a variety of personal financial reasons, high-value liquidations by executives often spook retail and institutional investors, leading to negative sentiment and a gap down on the following session's open. The risk to this thesis is that the market dismisses the sale as routine estate planning.
Other models on the same run
| Model | Picks | Intraday alpha vs SPY | Picks with positive alpha |
|---|---|---|---|
| GPT-5.6 Sol | AKAM, MSFT, NKE, CMCSA, COST | +0.20% | 60% |
| Claude Opus 5.5 | MU, MIRM, AMD, INTC, CCL | -1.56% | 20% |
| Muse Spark 1.1 | MIRM, INCY, COST, NKE, KNDI | +7.09% | 80% |
| Perplexity | KNDI, MTN, JEF, POCI, GNS | +5.01% | 40% |
| Grok 4.5 | AKAM, SCHL, WTTR, PRME, MU | +0.42% | 60% |
| DeepSeek | AKAM, GRAL, BB, COST, INLF | +6.65% | 80% |
Written up on ForecastNest Insights: Event Gaps: Gemini 1.5 Pro's picks for 2026-09-28.
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