Event Gaps: Claude Opus 5.5's picks for 2026-10-22
Claude Opus 5.5 picked ALLE, PG, CSX, SPOT, LMT for a 1-day horizon. Intraday alpha vs SPY: +0.42%. Picks with positive alpha: 60%.
| Experiment | Event Gaps |
|---|---|
| Model | Claude Opus 5.5 |
| 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 | +0.42% |
| Picks with positive alpha | 60% |
| Benchmark return | -0.19% |
The picks
| Rank | Symbol | Gap direction | Price change | Return in the called direction | Confidence | vs benchmark | Called right |
|---|---|---|---|---|---|---|---|
| 1 | ALLE | +2.77% | +2.77% | 57% | +2.96% | Yes | |
| 2 | PG | -2.67% | -2.67% | 56% | -2.47% | No | |
| 3 | CSX | -1.31% | -1.31% | 54% | -1.11% | No | |
| 4 | SPOT | +0.50% | +0.50% | 52% | +0.69% | Yes | |
| 5 | LMT | +1.82% | +1.82% | 50% | +2.01% | Yes |
The model's market view
Thursday 2026-10-22 is a risk-off session led by an AI-hardware selloff: Lam Research is down about 10% and META about 5% after earnings, and the Nasdaq Composite is down about 2.1% (Yahoo Finance, about 15:23 UTC). Capital is rotating into defensives and into companies that delivered clean beat-and-raise reports with little AI-capex exposure. The score is directional return minus SPY, and a short in a high-beta name doubles market exposure if tech rebounds. So this basket holds five long-side post-earnings-drift candidates whose catalysts have already occurred and are verified: Allegion (beat and raised outlook), Procter & Gamble (EPS beat), CSX (EPS beat), Spotify (strong Q4 revenue guidance despite an EPS miss) and Lockheed Martin (beat-and-raise plus an 850-jet F-35 framework agreement). Each stock passes the floors of price >= $5, market cap >= $1B and 20-day average dollar volume >= $20M. Most of each catalyst's repricing already happened before the window opened; the forecasts below are for modest further drift from the current quote, not a repeat of today's gap. Main risks: a sharp tech and semis relief rally tomorrow (these names would lag SPY), and same-day profit-taking after outsized moves. LMT's and SPOT's fade from their intraday highs is already visible.
Why each pick
ALLE
THESIS: Allegion beat Q3 expectations and raised its 2026 outlook (Yahoo Finance/StockStory and MT Newswires, 10/22). Fact: adjusted earnings and revenue rose and beat estimates, and full-year guidance was raised. That is a fundamental change to business expectations, not just sentiment. Inference: guidance raises in steady, low-volatility industrial and security franchises tend to drift further as analysts lift estimates, and ALLE has little exposure to the AI-capex theme driving today's selloff.
COMPLETED DAILY OHLCV (Yahoo Finance chart data, US Eastern regular sessions, split-adjusted, history source https://finance.yahoo.com/quote/ALLE/history/):
2026-10-15 O 154.24 H 156.29 L 154.02 C 155.75 V 1139400
2026-10-16 O 155.87 H 157.99 L 154.35 C 156.54 V 1128400
2026-10-19 O 155.53 H 156.23 L 154.65 C 155.44 V 834300
2026-10-20 O 155.51 H 157.33 L 155.15 C 157.03 V 1169700
2026-10-21 O 157.21 H 159.00 L 155.66 C 159.00 V 1106400
return_5d_pct 4.26; high_20d 159.00; low_20d 142.00; avg_volume_20d 1002525.
PRICE ACTION: The stock was already climbing into the print, closing at the 20-session high (159.00) on 10/21, and has now gapped well above that range. This is a breakout from a rising base, not an extended blow-off, which supports continuation.
INTRADAY: latest_price 174.30 USD, quote_time 2026-10-22T15:22:07Z, live regular-session Nasdaq real-time quote via Yahoo Finance (https://finance.yahoo.com/quote/ALLE/). PARTIAL SESSION as of 15:22Z: open 170.00, high_so_far 174.535, low_so_far 167.62, cumulative_volume 762132. Relative intraday volume cannot be established because no same-time baseline was found. Pre-event price: 10/21 close 159.00 (the release came before the 10/22 open). Observed event-to-quote move: +9.62%, already realized and largely before the window opened. The stock is trading near the session high, so the market is still absorbing the beat-and-raise.
REMAINING FORECAST: about +1.5% further drift by the 10/23 window end.
COUNTER-EVIDENCE: A nearly 10% gap is large for ALLE, and some holders may take profits. Industrials are weak overall today (XLI about -1.75%).
INVALIDATION: A move back below 167.62 (today's low), which would fill much of the gap.
PG
THESIS: Procter & Gamble reported fiscal Q1 EPS of 2.00 vs a 1.89 estimate, a 5.66% surprise (Yahoo Finance earnings calendar, 10/22). Fact: a clear EPS beat from the largest consumer-staples company. Inference: a roughly 6% one-day move is exceptional for PG and signals institutional buying in a defensive name during an AI-tech selloff. The staples rotation (XLP about +2.2% today) plus estimate revisions can extend the move over the next session.
COMPLETED DAILY OHLCV (Yahoo Finance, US Eastern regular sessions, split-adjusted, https://finance.yahoo.com/quote/PG/history/):
2026-10-15 O 158.33 H 159.95 L 156.79 C 157.08 V 16414000
2026-10-16 O 157.75 H 159.98 L 157.56 C 159.35 V 13532400
2026-10-19 O 157.87 H 158.49 L 157.01 C 157.69 V 10091100
2026-10-20 O 158.70 H 159.47 L 158.06 C 159.32 V 9746200
2026-10-21 O 158.17 H 158.67 L 156.80 C 156.84 V 9974900
return_5d_pct 0.20; high_20d 159.98; low_20d 143.40; avg_volume_20d 9098735.
PRICE ACTION: The stock went sideways into the report, closing near its low on 10/21. Today's gap clears the 20-session high of 159.98, a breakout from a range rather than an extended run, which supports continuation.
INTRADAY: latest_price 166.10 USD, quote_time 2026-10-22T15:23:21Z, live regular-session Nasdaq real-time quote via Yahoo Finance (https://finance.yahoo.com/quote/PG/). PARTIAL SESSION as of 15:23Z: open 162.14, high_so_far 166.72, low_so_far 161.78, cumulative_volume 9800340. Relative intraday volume cannot be established. Pre-event price: 10/21 close 156.84. Observed move: +5.90%, already realized. Price is near the session high.
REMAINING FORECAST: about +1.0% by the window end.
COUNTER-EVIDENCE: A large move for a low-beta mega-cap may partly mean-revert. If tech rebounds sharply, the defensive rotation could reverse and PG would lag SPY.
INVALIDATION: A move back below 161.78 (today's low).
CSX
THESIS: CSX reported a Q3 EPS beat after the 10/21 close (CNBC after-hours movers). Post-earnings coverage highlights margin expansion and intermodal strength (Yahoo Finance Q3 deep dive). Fact: the beat and margin improvement are changes to fundamentals, not just sentiment. Inference: rails have no AI-capex exposure and benefit from today's rotation, and a low-volatility stock jumping about 7% on fundamentals tends to see follow-through as analysts revise estimates.
COMPLETED DAILY OHLCV (Yahoo Finance, US Eastern regular sessions, split-adjusted, https://finance.yahoo.com/quote/CSX/history/):
2026-10-15 O 48.70 H 48.78 L 48.26 C 48.69 V 9117000
2026-10-16 O 48.94 H 49.22 L 48.36 C 48.68 V 9825600
2026-10-19 O 48.86 H 49.04 L 47.88 C 47.88 V 8134900
2026-10-20 O 47.92 H 48.46 L 47.50 C 48.08 V 9701600
2026-10-21 O 48.03 H 48.48 L 47.85 C 48.40 V 14236900
return_5d_pct 0.25; high_20d 49.22; low_20d 45.85; avg_volume_20d 9204590.
PRICE ACTION: The stock was range-bound before the print, with elevated 10/21 volume (about 1.5x average) ahead of the report. Today's gap breaks well above the 20-session high of 49.22, a breakout, which supports continuation.
INTRADAY: latest_price 51.67 USD, quote_time 2026-10-22T15:23:21Z, live regular-session Nasdaq real-time quote via Yahoo Finance (https://finance.yahoo.com/quote/CSX/). PARTIAL SESSION as of 15:23Z: open 50.09, high_so_far 51.805, low_so_far 49.515, cumulative_volume 10970054. Relative intraday volume cannot be established. Pre-event price: 10/21 regular close 48.40. Observed move: +6.76%, including the after-hours and opening reaction, already realized. Price is near the session high.
REMAINING FORECAST: about +1.2%.
COUNTER-EVIDENCE: Industrials and transports are weak in today's growth scare, and a near-7% move in a rail is stretched relative to its normal volatility.
INVALIDATION: A move back below 49.22, the prior 20-session high, which would negate the breakout.
SPOT
THESIS: Spotify issued Q4 revenue guidance above analyst expectations, and monthly active users rose 11% year over year to 788 million (CNBC premarket and MT Newswires, 10/22). Fact: guidance and user growth beat expectations, while reported EPS of 2.48 missed the 2.81 estimate (Yahoo Finance earnings calendar). Inference: the market is valuing forward revenue and engagement over the EPS miss. A consumer platform with little AI-hardware exposure fits today's rotation, and guidance-driven moves often drift further.
COMPLETED DAILY OHLCV (Yahoo Finance, US Eastern regular sessions, split-adjusted, https://finance.yahoo.com/quote/SPOT/history/):
2026-10-15 O 518.70 H 533.84 L 513.65 C 533.37 V 1614200
2026-10-16 O 536.98 H 536.98 L 521.84 C 530.46 V 1737700
2026-10-19 O 524.13 H 528.52 L 511.17 C 518.76 V 1639600
2026-10-20 O 523.00 H 536.74 L 521.06 C 526.08 V 1723300
2026-10-21 O 510.00 H 531.00 L 508.01 C 525.34 V 2129900
return_5d_pct 0.26; high_20d 540.82; low_20d 470.25; avg_volume_20d 1464005.
PRICE ACTION: The stock was range-bound before the event, with a long lower wick on 10/21. Today's move breaks above the 20-session high of 540.82, which supports continuation. However, the stock has pulled back from its intraday high, a mixed signal.
INTRADAY: latest_price 571.57 USD, quote_time 2026-10-22T15:23:22Z, live regular-session Nasdaq real-time quote via Yahoo Finance (https://finance.yahoo.com/quote/SPOT/). PARTIAL SESSION as of 15:23Z: open 561.29, high_so_far 588.88, low_so_far 562.94, cumulative_volume 2301610. Relative intraday volume cannot be established. Pre-event price: 10/21 close 525.34. Observed move: +8.80%, already realized. The price is about 2.9% below today's high, so some early enthusiasm is fading.
REMAINING FORECAST: about +1.5%.
COUNTER-EVIDENCE: The EPS miss, the fade from 588.88, a higher-beta growth profile in a falling Nasdaq, and communication-services weakness from META.
INVALIDATION: A move back below 540.82, the prior 20-session high.
LMT
THESIS: Lockheed Martin reported better-than-expected Q3 results and raised 2026 earnings and revenue guidance before the open (CNBC premarket movers; Yahoo Finance calendar shows EPS of 7.97 vs a 7.52 estimate). Separately, the Pentagon and Lockheed announced an agreement for 850 F-35 jets over 10 years (AFP via Yahoo Finance, 10/22). Fact: both a guidance raise and multiyear program visibility, which change business expectations. Inference: defense is uncorrelated with the AI-capex worries, and estimate revisions can extend the drift.
COMPLETED DAILY OHLCV (Yahoo Finance, US Eastern regular sessions, split-adjusted, https://finance.yahoo.com/quote/LMT/history/):
2026-10-15 O 531.00 H 534.25 L 526.07 C 532.64 V 1428100
2026-10-16 O 539.11 H 553.14 L 536.69 C 552.09 V 1600000
2026-10-19 O 540.97 H 554.72 L 540.00 C 548.23 V 1377800
2026-10-20 O 553.00 H 559.48 L 545.73 C 548.71 V 1469900
2026-10-21 O 547.14 H 552.82 L 544.66 C 551.51 V 1466000
return_5d_pct 5.61; high_20d 559.48; low_20d 497.00; avg_volume_20d 1150605.
PRICE ACTION: The stock had already rallied about 5.6% over the five sessions before the report, so part of the good news was anticipated. Today's breakout above 559.48 is evident.
INTRADAY: latest_price 585.32 USD, quote_time 2026-10-22T15:23:22Z, live regular-session Nasdaq real-time quote via Yahoo Finance (https://finance.yahoo.com/quote/LMT/). PARTIAL SESSION as of 15:23Z: open 579.505, high_so_far 607.99, low_so_far 577.50, cumulative_volume 1421692. Relative intraday volume cannot be established. Pre-event price: 10/21 close 551.51. Observed move: +6.13%, already realized. The price has faded about 3.7% from the intraday high, an upper wick that argues for exhaustion rather than continuation. That is why LMT is ranked last with lowest confidence.
REMAINING FORECAST: about +1.0%.
COUNTER-EVIDENCE: The fade from 607.99, plus the pre-earnings run-up.
INVALIDATION: A move back below 577.50 (today's low) or below the prior 20-session high of 559.48.
Other models on the same run
| Model | Picks | Intraday alpha vs SPY | Picks with positive alpha |
|---|---|---|---|
| Grok 4.5 | SPOT, AAL, WDC, BE, TSLA | -0.58% | 80% |
| 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: Claude Opus 5.5's picks for 2026-10-22.
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