Extreme Movers: Grok 4.5's picks for 2026-09-25
Grok 4.5 picked AKAM, AESI, APUS, WYY, KITT for a 1-day horizon. Average directional return: -2.73%. Directions called correctly: 20%.
| Experiment | Extreme Movers |
|---|---|
| Model | Grok 4.5 |
| 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 | -2.73% |
| Directions called correctly | 20% |
| 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% | 72% | -5.97% | No |
| 2 | AESI | up | -2.10% | -2.10% | 65% | -2.11% | No |
| 3 | APUS | up | -14.47% | -14.47% | 55% | -14.48% | No |
| 4 | WYY | down | +8.61% | -8.61% | 58% | -8.61% | No |
| 5 | KITT | down | -17.52% | +17.52% | 52% | +17.51% | Yes |
The model's market view
Intraday action on September 25 shows sharp moves in AI infrastructure and select energy names on deal news while micro-cap volatility dominates percentage lists. Large-cap technology and energy react to the Anthropic-Akamai announcement and broader yield/oil crosscurrents. Expect residual momentum into the next session with mixed continuation versus mean-reversion risk after large single-day swings.
Why each pick
AKAM
Akamai is up sharply today following the prior-day $11.6 billion Anthropic cloud deal announcement. Previous change is positive so hypothesis is continuation with direction up into the next session. Catalyst is substantive multi-year AI infrastructure commitment. Reference price is the latest intraday quote around mid-morning EDT; market cap confirmed above $17 billion. Risk is profit-taking after the large move.
AESI
Atlas Energy Solutions appears among today's top percentage gainers with a double-digit advance. Previous change is positive so hypothesis is continuation and direction up. Catalyst appears linked to energy infrastructure positioning amid oil-price volatility. Reference price is latest available intraday; market cap exceeds $1.6 billion so the name clears the exclusion filter. Risk is sector-wide energy weakness.
APUS
Apimeds Pharmaceuticals is among the strongest percentage gainers today on elevated volume. Previous change is strongly positive so hypothesis is continuation and direction up. Catalyst is speculative micro-cap momentum rather than a clearly verified fundamental event. Reference price is latest available; market cap is small but price is well above $1 so the name is not excluded. Risk is extreme volatility and potential reversal.
WYY
WidePoint Corporation is among the largest percentage losers today. Previous change is sharply negative so hypothesis is continuation and direction down. Catalyst appears technical/speculative given the magnitude of the decline. Reference price is latest available; market cap is modest but price is above $1 so the name clears exclusion. Risk is a sharp bounce after such a large single-day drop.
KITT
Nauticus Robotics is listed among today's steeper percentage losers. Previous change is negative so hypothesis is continuation and direction down. Catalyst is speculative micro-cap selling pressure. Reference price is latest available; market cap is small but price exceeds $1 so the name is not excluded under the dual filter. Risk is high volatility and possible short-covering reversal.
Other models on the same run
| Model | Picks | Average directional return | Directions called correctly |
|---|---|---|---|
| GPT-5.6 Sol | AKAM, SCHL, ZS, WTTR, SNX | -2.14% | 40% |
| 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% |
| DeepSeek | INLF, AKAM, GLND, FSLR, GEN | +2.98% | 40% |
Written up on ForecastNest Insights: Extreme Movers: Grok 4.5's picks for 2026-09-25.
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