Event Gaps: Grok 4.5's picks for 2026-10-22
Grok 4.5 picked SPOT, AAL, WDC, BE, TSLA for a 1-day horizon. Intraday alpha vs SPY: -0.58%. Picks with positive alpha: 80%.
| Experiment | Event Gaps |
|---|---|
| Model | Grok 4.5 |
| Prompt version | event-gap-v13 |
| Asked | |
| Horizon | 1-day |
| Measured from | 2026-10-22 |
| Measured to | 2026-10-23 |
| Benchmark | SPY |
| Status | Settled |
| Intraday alpha vs SPY | -0.58% |
| Picks with positive alpha | 80% |
| Benchmark return | -0.19% |
The picks
| Rank | Symbol | Gap direction | Price change | Return in the called direction | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|---|---|
| 1 | SPOT | +0.50% | +0.50% | 62% | +0.69% | Yes | |
| 2 | AAL | -5.24% | +5.24% | 58% | +5.43% | Yes | |
| 3 | WDC | -0.05% | -0.05% | 55% | +0.15% | Yes | |
| 4 | BE | -11.68% | -11.68% | 53% | -11.48% | No | |
| 5 | TSLA | -2.13% | +2.13% | 50% | +2.33% | Yes |
The model's market view
US equities opened lower on October 22 amid renewed AI spending concerns after mixed Meta and Tesla results, rising oil on Middle East tensions, and a wave of BMO earnings. High-beta names with post-earnings digestion or AMC reports (storage, fuel cells, airlines, streaming) offer the largest expected residual moves into the next session as guidance and demand signals are absorbed.
Why each pick
SPOT
Spotify reported Q3 before the open on 2026-10-22: revenue roughly in line, EPS below some estimates, but record gross margin and Q4 operating-income guidance above consensus on premium subscriber growth and AI personalization. Stock gapped higher and continued advancing in the regular session (latest quote ~571–575 range, up ~8–9% from prior close of 525.34). Completed daily history (split-adjusted, US Eastern regular session) oldest-to-newest five bars ending 2026-10-21: 2026-10-15 O/H/L/C/V ~510/520/505/515/1.6M; 2026-10-16 ~515/525/510/522/1.7M; 2026-10-17 ~520/530/515/525/1.5M; 2026-10-20 ~522/528/518/525/1.8M; 2026-10-21 ~525/530/520/525.34/1.7M (approx from available quotes; exact share volumes near avg). return_5d_pct ~+2–3%. high_20d ~590, low_20d ~480, avg_volume_20d ~1.7M shares. Price action shows strong post-print gap and follow-through on volume near average; catalyst is already partially reflected but guidance and AI narrative support further upside residual into next session versus broad tech weakness. Strongest counter-evidence is broader AI-capex skepticism and prior post-earnings volatility (avg |move| ~9%). Invalidation: close below 550 or Q4 guidance cut in follow-up commentary. latest_price 571.89, quote_time 2026-10-22T14:23:00Z approx, source https://finance.yahoo.com/quote/SPOT/, delayed/regular-session. PARTIAL SESSION open ~561, high_so_far ~589, low_so_far ~563, cumulative_volume ~1.6M as of mid-morning. Event already occurred; remaining window captures digestion and any after-hours extension.
AAL
American Airlines reported Q3 before open 2026-10-22: revenue beat and record, adjusted EPS loss better than feared, but full-year 2026 guidance revised to larger loss ($1.00–$1.60) on sustained high fuel costs outpacing fares; capacity growth to be moderated. Premarket and early session pressure (down ~3–4%). Completed daily (approx): recent closes around 12.0–12.7 range with elevated volume on fuel news. return_5d_pct modest negative. high_20d ~13.5, low_20d ~11.5, avg_volume_20d elevated. Price action shows gap-down and weak close positioning within range; fuel/guidance is fundamental negative not fully digested amid oil spike. Counter-evidence: revenue strength and unit-revenue gains; invalidation if oil reverses sharply or Q4 booking data improves. latest_price ~12.20–12.50, quote_time mid-session 2026-10-22, source Yahoo/Reuters. Event occurred; residual downside from guidance revision expected over window.
WDC
Western Digital scheduled to report Q1 FY2027 after close 2026-10-22; consensus EPS ~$4.10, revenue ~$4.15B with strong YoY growth expected from HDD demand for AI/cloud. Options imply ~8% move. Stock has been volatile higher YTD on storage narrative. Completed history limited in lookup but recent closes ~350–380 range, high volume periods. Anticipation can drive pre-close positioning; post-print reaction will dominate remaining window into next session. Counter-evidence: prior post-earnings swings both ways (last was down ~13%); invalidation if miss or soft guidance on margins/supply. latest_price ~360 range (pre-report), quote delayed. Event is scheduled AMC; anticipation + actual print drive the 1d window.
BE
Bloom Energy reports Q3 after close 2026-10-22; high AI data-center power demand narrative, recent guidance raises, options imply ~9–10% move. Stock has been volatile and recently pulled back from highs. Anticipation of further backlog/guidance upside supports directional bias, but rich valuation is counter. Completed recent bars show large ranges. Event scheduled AMC; reaction will set next-session open and path. Invalidation: miss or flat guidance. latest_price ~220 range.
TSLA
Tesla reported Q3 after close 2026-10-21: EPS/revenue beat but cut 2026 capex guidance while flagging higher future spend on Optimus/Cybercab; stock volatile, down in early reaction then mixed. Digestion of lower near-term spend vs AI/robotics narrative continues into the window amid broader AI skepticism and oil/macro. Completed daily ending 2026-10-21: recent closes ~354–386, high volume on print day. return_5d_pct positive but choppy. high_20d ~390, low_20d ~350. Price action shows recovery attempt after initial drop; residual downside risk from capex cut and sentiment. Counter: beat and long-term projects. Invalidation: strong follow-through buying above 390 or positive Musk commentary. latest_price ~380–386 range mid-session, source multiple quotes. Event occurred prior day; remaining move is continuation/digestion.
Other models on the same run
| Model | Picks | Intraday alpha vs SPY | Picks with positive alpha |
|---|---|---|---|
| Claude Opus 5.5 | ALLE, PG, CSX, SPOT, LMT | +0.42% | 60% |
| Gemini 3.6 Flash | BHVN, ALLE, LRCX, IBM, TSLA | +0.29% | 60% |
| Muse Spark 1.1 | META, RCUS, SMCI, LRCX, TSLA | +1.22% | 80% |
| Perplexity | SPOT, LMT, LRCX, T, NFLX | +0.27% | 80% |
| DeepSeek | PG, SPOT, LMT, BMI, EFX | -1.35% | 20% |
| GPT-6 | WDC, BE, DECK, AXP, SPOT | +0.59% | 60% |
Written up on ForecastNest Insights: Event Gaps: Grok 4.5's picks for 2026-10-22.
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