Extreme Movers: Muse Spark 1.1's picks for 2026-09-28
Muse Spark 1.1 picked VIAV, AKAM, CRNX, HTZ, OPEN for a 1-day horizon. Average directional return: -0.41%. Directions called correctly: 20%.
| Experiment | Extreme Movers |
|---|---|
| Model | Muse Spark 1.1 |
| Prompt version | extreme-movers-v9 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-09-28 |
| Measured to | 2026-09-29 |
| Benchmark | SPY |
| Status | Settled |
| Average directional return | -0.41% |
| Directions called correctly | 20% |
| Benchmark return | -0.30% |
The picks
| Rank | Symbol | Direction | Price change | Return in the called direction | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|---|---|
| 1 | VIAV | up | +6.65% | +6.65% | 70% | +6.95% | Yes |
| 2 | AKAM | up | -4.37% | -4.37% | 68% | -4.07% | No |
| 3 | CRNX | up | +0.00% | +0.00% | 62% | +0.30% | No |
| 4 | HTZ | up | -0.74% | -0.74% | 60% | -0.43% | No |
| 5 | OPEN | up | -3.61% | -3.61% | 58% | -3.31% | No |
The model's market view
Source session was Friday Sep 26 and premarket Monday Sep 28. Top gainers included Viavi +9.27% and Akamai +10.13% on AI and cloud deals, while top losers were Hertz -28.36% and Opendoor -12.43% on high yields and risk-off in housing and rental. Premarket Monday shows speculative biotech squeezes like Crinetics +45%. Expect mean reversion in deeply oversold losers and momentum continuation in confirmed gainers with substantive catalysts.
Why each pick
VIAV
Viavi Solutions was a top gainer Sep 26 with +9.27% per Longbridge ranking. Current price $38.555 intraday Sep 28 per Finnhub, previous close $40.68 Sep 26, market cap $10.04B. Catalyst substantive: optical test and network monitoring demand, consensus target $55.43 Moderate Buy. Hypothesis continuation up as 5-day +9.04% momentum. Used live delayed quote from Finnhub Sep 28.
AKAM
Akamai Technologies rose +10.13% on Sep 25 session per Longbridge well-known gainers list, driven by $11.6B Anthropic deal news. Current price $110.305 intraday Sep 28 per Finnhub, market cap $16.375B, cap confirms >$1B threshold. Catalyst substantive enterprise cloud edge deal. Hypothesis continuation up as deal re-rates growth. Price is live Finnhub quote Sep 28.
CRNX
Crinetics Pharmaceuticals rocketed +45% premarket Sep 28 per InvestorPlace biggest premarket movers on positive clinical trial news. Current price $43.63 previous close per Morningstar, market cap $3.23B, passes exclusion. Catalyst substantive: clinical trial results and inducement grants. Hypothesis continuation up expecting trial momentum to carry into regular session Sep 29. Used Morningstar close Sep 26 as latest verifiable.
HTZ
Hertz Global was a top loser at -28.36% per Motley Fool biggest losers list with price $3.62 that day. Current price $1.735 intraday Sep 28 per Finnhub, market cap $547.91M per ADVFN, price $1.735 >$1 so passes exclusion rule (both conditions needed). Catalyst speculative: debt and fleet utilization fears, class action deadline. Hypothesis reversal up expecting oversold bounce after -62% 6-month decline. Price is live Finnhub quote Sep 28.
OPEN
Opendoor Technologies fell -12.43% to $8.38 on Monday per InsiderMonkey funds shifting to AI and precious metals. Current price $2.465 intraday Sep 28 per Finnhub, market cap $2.495B, passes exclusion. Catalyst speculative: interest rate sensitivity and fund rotation, not earnings. Hypothesis reversal up expecting short-cover bounce after 3-day losing streak and oversold -25% 1-month. Used live Finnhub quote Sep 28.
Other models on the same run
| Model | Picks | Average directional return | Directions called correctly |
|---|---|---|---|
| Gemini 1.5 Pro | BE, CRDO, PS, TWLO, OKTA | +1.24% | 60% |
| Perplexity | KOD, WYY, ONT, TRT, KPLT | +3.65% | 60% |
| Claude Opus 5.5 | MCHP, MSGY, INLF, META, WYY | +4.28% | 40% |
| Grok 4 | AESI, BE, AKAM, GEN, WYY | -0.84% | 40% |
| GPT-6 | BE, MXL, ZS, GENI, TWLO | -3.95% | 40% |
| DeepSeek | AKAM, PPLI, FFAI, GEN, CHTR | -1.53% | 40% |
Written up on ForecastNest Insights: Extreme Movers: Muse Spark 1.1's picks for 2026-09-28.
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