---
title: "AI Stock Market Chat, 2026-10-03: Model leans bearish, watch Monday's pullback momentum"
description: "Hello everyone, welcome to AI Stock Market Chat. Today is October 3, 2026, a Saturday market closure, and we're previewing the next trading day, Monday, October 5, for Taiwan stocks. This time the model flashes bearish signals for both the index's next-day and short-term outlook, yet the four major U.S. indices and Philly Semi closed higher in overnight trading, and Taiwan futures also climbed, so Monday's open will be a bull-bear tug-of-war, the main focus of this episode."
canonical_url: "https://blog.markkulab.net/en/ai-stock-chat/ai-stock-chat-2026-10-03"
author: "Mark Ku"
author_url: "https://blog.markkulab.net/en/author/mark-ku"
site: "Mark Ku's Tech Notes"
date_published: "2026-10-03T02:00:00.000Z"
category: "AI Stock Chat"
tags: ["ai-stock", "podcast", "台股預測", "台股", "AI預測", "加權指數", "半導體股"]
language: "en"
license: "CC BY 4.0"
license_url: "https://creativecommons.org/licenses/by/4.0/"
attribution: "when reusing or quoting, credit the author and link back to the original"
---

# AI Stock Market Chat, 2026-10-03: Model leans bearish, watch Monday's pullback momentum

> **TL;DR** — Model predicts bearish momentum for Taiwan's TAIEX on Monday, October 5, with next-day target 47668，48216 at 55% confidence, though overnight U.S.

Good morning, and welcome to AI Stock Market Chat. Today is Saturday, October 3, 2026, with markets closed, so we're looking ahead to the next trading day: Monday, October 5. This time, the model is flashing bearish signals on both the next-day and short-term outlook for the broader market. However, the four major U.S. indices and the Philadelphia Semiconductor Index all closed higher, and Taiwan futures also rose in overnight trading, so the bull-bear tug-of-war at Monday's open will be the focus of this episode.

## Today's Market Index Forecast

<figure class="stock-chart" style="margin:1.25rem 0"><svg role="img" aria-label="TAIEX AI forecast range (next-day / short-term)" viewBox="0 0 612 130" width="100%" style="height:auto;max-width:612px;min-width:480px;font-family:ui-sans-serif,system-ui,sans-serif;font-size:12px"><line x1="335.3" y1="20" x2="335.3" y2="122" stroke="currentColor" stroke-width="1" stroke-dasharray="3 3" opacity=".45"/><text x="335.3103448275858" y="14" fill="currentColor" text-anchor="middle" opacity=".7">Current 48353.49</text><text x="48" y="57" fill="currentColor" text-anchor="end" font-weight="600">Next-day</text><line x1="56" y1="53" x2="356" y2="53" stroke="currentColor" stroke-width="1" opacity=".18"/><rect x="219.7" y="44" width="92.5" height="18" rx="4" fill="#ef4444" fill-opacity=".22" stroke="#ef4444" stroke-width="1.5"/><text x="366" y="57" fill="currentColor">Bearish · 47668.14~48216.42 · Confidence 55%</text><text x="48" y="103" fill="currentColor" text-anchor="end" font-weight="600">Short-term</text><line x1="56" y1="99" x2="356" y2="99" stroke="currentColor" stroke-width="1" opacity=".18"/><rect x="76.7" y="90" width="206.9" height="18" rx="4" fill="#ef4444" fill-opacity=".22" stroke="#ef4444" stroke-width="1.5"/><text x="366" y="103" fill="currentColor">Bearish · 46821.01~48046.99 · Confidence 55%</text></svg><figcaption style="font-size:12px;opacity:.6;margin-top:.25rem">TAIEX AI forecast range (next-day / short-term)</figcaption></figure>

| Horizon | Current Price | Predicted Direction | Target Range | Confidence |
| --- | --- | --- | --- | --- |
| Next-day | 48353.49 | Bearish | 47668.14~48216.42 | 55% |
| Short-term | 48353.49 | Bearish | 46821.01~48046.99 | 55% |

The model leans bearish for both Monday, October 5, and the coming week, though confidence sits at only around 55%, meaning it's a "slightly bearish, not strongly convicted" stance. Looking at market breadth, the number of advancing stocks is noticeably lower than declining ones, putting overall sentiment in neutral-to-bearish territory, which aligns with the model's direction. It's worth watching for a short-term pullback.

## Global Market Snapshot

| Index | Close | Change % |
| --- | --- | --- |
| Taiwan Futures Overnight (TXF) | 49346 | 1.39% |
| Dow Jones Industrial Average (DJI) | 51176.96 | 0.49% |
| S&P 500 (GSPC) | 7722.72 | 0.73% |
| NASDAQ Composite (IXIC) | 27190.86 | 1.19% |
| Philadelphia Semiconductor Index (SOX) | 13136.68 | 2.4% |

All three major U.S. indices closed higher in tandem, with the NASDAQ up more than 1% and the Philadelphia Semiconductor Index surging 2.4%, signaling strong foreign buying interest in tech and semiconductor stocks. Taiwan futures overnight trading also rose more than 1.3%, diverging from the model's bearish call on the broader index for the next day. This gap is exactly what we need to watch after Monday's open.

## Strategy Stock Screener Radar

The following are strategy screening results, not individual stock buy/sell predictions. Scores reflect only the strength of technical and institutional-flow signals and do not constitute investment advice.

| Stock | Composite Score | Institutional Flow Score | P/E Ratio | Valuation |
| --- | --- | --- | --- | --- |
| Realtek (2379) | 75 | 100 | 27.63 | Expensive |
| ASUS (2357) | 74 | 100 | 14.11 | Fair |
| Novatek (3034) | 74 | 100 | 19.09 | Expensive |
| Taiwan Mobile (3045) | 69 | 100 | - | - |
| Chunghwa Telecom (2412) | 68 | 100 | - | - |

This group all scored perfectly on institutional flow, indicating relatively concentrated fund movement, but the technical signals diverge. Realtek shows strengthening momentum along with a MACD bullish divergence, leaning more bullish; ASUS shows a bullish hammer candlestick pattern; Novatek shows an RSI bearish divergence, suggesting its rally is losing steam; Taiwan Mobile shows the MACD histogram turning negative along with a bearish engulfing candle, leaning more clearly bearish; Chunghwa Telecom currently has no clear buy or sell signal, with moving averages still in a bullish alignment but the KD indicator leaning bearish, putting it in wait-and-see territory.

## Recent Forecast Accuracy Review

<figure class="stock-chart" style="margin:1.25rem 0"><svg role="img" aria-label="Recent directional accuracy (higher is better; includes settled sample count)" viewBox="0 0 488 56" width="100%" style="height:auto;max-width:488px;min-width:480px;font-family:ui-sans-serif,system-ui,sans-serif;font-size:12px"><text x="64" y="35" fill="currentColor" text-anchor="end" font-weight="600">Index · Next-day</text><rect x="72" y="22" width="320" height="18" rx="4" fill="currentColor" opacity=".12"/><rect x="72" y="22" width="320.0" height="18" rx="4" fill="#22c55e"/><text x="402" y="35" fill="currentColor">100% (2/2)</text></svg><figcaption style="font-size:12px;opacity:.6;margin-top:.25rem">Recent directional accuracy (higher is better; includes settled sample count)</figcaption></figure>

To be honest, the accumulated sample size is still very small. The next-day directional accuracy for the broader index is 2 for 2, or 100%, with both forecasts also landing within the target range, and an average error of just 0.02%, which is a solid showing. That said, the sample size is far too small to represent a reliable long-term accuracy rate. We'll keep tracking and updating in future episodes, reporting the good and the bad as they come.

## Disclaimer

This content is automatically generated by an AI model based on quantitative data. It is for research reference only and does not constitute investment advice or a recommendation of any kind. Neither this site nor the program's producers are a licensed securities investment advisory business; we do not provide analysis tailored to specific individuals, nor do we receive any compensation for this content. Investing carries risk; please exercise your own judgment and bear responsibility for your decisions.

---

## About this article and its author

Originally published on [Mark Ku's Tech Notes](https://blog.markkulab.net/en/ai-stock-chat/ai-stock-chat-2026-10-03)

License: [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) — when reusing or quoting, credit the author and link back to the original

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