Extreme Movers: GPT-5.6 Sol's picks for 2026-09-25
GPT-5.6 Sol picked AKAM, SCHL, ZS, WTTR, SNX for a 1-day horizon. Average directional return: -2.14%. Directions called correctly: 40%.
| Experiment | Extreme Movers |
|---|---|
| Model | GPT-5.6 Sol |
| Prompt version | extreme-movers-v9 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-09-25 |
| Measured to | 2026-09-28 |
| Benchmark | SPY |
| Status | Settled |
| Average directional return | -2.14% |
| Directions called correctly | 40% |
| Benchmark return | +0.01% |
The picks
| Rank | Symbol | Direction | Price change | Return in the called direction | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|---|---|
| 1 | AKAM | up | -5.97% | -5.97% | 82% | -5.97% | No |
| 2 | SCHL | up | +1.88% | +1.88% | 76% | +1.87% | Yes |
| 3 | ZS | up | +0.02% | +0.02% | 67% | +0.01% | Yes |
| 4 | WTTR | up | -0.74% | -0.74% | 65% | -0.74% | No |
| 5 | SNX | up | -5.87% | -5.87% | 62% | -5.88% | No |
The model's market view
The strongest extreme-mover setups are concentrated in event-driven names rather than broad index beta. I favor continuation where a move reflects a large, economically meaningful contract or acquisition and reversal where an earnings reaction appears disproportionate to the underlying report. Data freshness is uneven across public quote pages during the still-open September 25 session, so the selections prioritize movers for which I could verify both a large source-session move and a concrete catalyst without inventing unavailable fields.
Why each pick
AKAM
Akamai is a continuation candidate after an extreme positive move tied to a substantive catalyst rather than unexplained momentum. Anthropic committed $11.6 billion over seven years to Akamai cloud infrastructure, with potential additional commitments, creating a material multi-year revenue opportunity. The stock was reported as one of the largest September 25 movers after surging more than 20% in extended trading and retaining a large positive move in subsequent trading. The principal risk is emotional exhaustion: much of the contract value was immediately capitalized into the stock, and investors may focus on Akamai's required infrastructure spending and execution risk after the first-day repricing. I therefore expect further upside by the next session close, but materially smaller than the initial reaction. The latest September 25 quote snapshot I could verify was $127.66 with a displayed +7.95% change; the source's timestamp presentation makes the exact regular-session timing less clear than ideal, but I am using the displayed September 25 move rather than substituting an older remembered close.
SCHL
Scholastic is a reversal candidate after a double-digit selloff following its earnings update. A September 25 quote page showed SCHL at $30.64, down 13.20%, with market capitalization of about $651.95 million. The reaction followed fiscal first-quarter results and guidance; the company also projected fiscal-2027 revenue growth of 2%-4% and adjusted EBITDA of $135 million-$145 million. That makes the decline more nuanced than a pure fundamental collapse and raises the probability of an oversold rebound after the initial earnings reset. The risk is that investors may be correctly discounting weak near-term school and consumer demand and that the negative post-earnings narrative continues for another session. Because the source-session loss is large relative to the company's still-positive full-year outlook, I favor reversal.
ZS
Zscaler is a reversal candidate after a September 25 quote snapshot showed the shares at $207.02, down 3.53%, with market capitalization near $31.96 billion. Unlike a collapse driven by a new fundamental impairment, the move follows a period of very strong momentum in cybersecurity shares, leaving room for mechanical profit-taking and option-related volatility. Zscaler's broader technical trend remained strong in contemporaneous September 25 technical data, with positive MACD and strong moving-average readings. The risk is that the decline reflects the start of a more durable valuation reset after the prior run, in which case weakness could continue. Given the relatively moderate source-session decline compared with the stock's preceding upside momentum, I favor a next-session rebound rather than continued downside.
WTTR
Select Water Solutions is a continuation candidate because the underlying catalyst is substantive: the company announced an agreement to acquire Pilot Water Solutions for approximately $700 million in cash and stock and scheduled a September 25 investor call to discuss the transaction. The deal expands scale and infrastructure exposure and produced a strong positive market reaction. The freshest directly verifiable September 25-linked quote I could obtain was $21.22 in the post-announcement extended-hours data, an 8.65% move from the preceding regular close; because a fresher regular-session percentage was not reliably exposed by my sources, this percentage is the best September 25-linked move I could verify and should be treated as less clean than the SCHL observation. The risk is classic acquisition skepticism: financing, integration, leverage and dilution concerns can cause an initial deal rally to fade once investors examine transaction details. I nevertheless favor continuation because the transaction is large relative to WTTR and strategically coherent.
SNX
TD SYNNEX is a reversal candidate following a sharp earnings-related decline. The available quote snapshot showed SNX at $245.74, down 14.64%, with market capitalization near $22.4 billion. The selloff occurred despite record fiscal third-quarter revenue of about $21.6 billion, revenue growth of 37.7%, Hyve hyperscale growth of 113% and continued AI infrastructure demand. That combination suggests the market reaction was driven partly by expectations, margin concerns or forward-looking details rather than an outright deterioration in demand. A double-digit one-session decline despite strong top-line growth creates a plausible mean-reversion setup. The major risk is that investors are responding to lower-quality growth, margin compression or guidance concerns that headline revenue growth does not capture; if so, the negative re-rating can continue. I favor reversal because the magnitude of the decline appears extreme relative to the reported demand strength.
Other models on the same run
| Model | Picks | Average directional return | Directions called correctly |
|---|---|---|---|
| Claude Opus 5.5 | APUS, STAK, SFIX, GLND, SRZN | -5.05% | 20% |
| Gemini 1.5 Pro | MTC, SNX, ARM, FSLR, CRWV | -2.54% | 40% |
| Muse Spark 1.1 | MPWR, SHOP, STX, ADBE, COST | -2.17% | 0% |
| Perplexity | AKAM, DDOG, CNET, MGLD, WYY | -2.92% | 20% |
| Grok 4.5 | AKAM, AESI, APUS, WYY, KITT | -2.73% | 20% |
| DeepSeek | INLF, AKAM, GLND, FSLR, GEN | +2.98% | 40% |
Written up on ForecastNest Insights: Extreme Movers: GPT-5.6 Sol's picks for 2026-09-25.
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