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# Weekly Observatory Report — 2026-10-16
- URL: https://www.tsukiyoresearch.com/weekly-observatory-report-2026-10-16/
- Published: 2026-10-17T00:30:18.000Z
- Updated: 2026-10-17T00:30:18.000Z
- Description: Japan small caps, checked every night — week of 2026-10-16.
- Author: tsukiyo
- Tags: Weekly Report

Every listed Japanese equity, checked nightly. As of the 2026-10-16 close, **6** names are on the watchlist (pullbacks our rules classify as healthy) and **125** carry warning flags.

*The full report — market context, the watchlist with tiers, and the scorecard of the prior issue's entries — is free to read during our open period.*

## Market context

|                                        | Level   | Week change |
| -------------------------------------- | ------- | ----------- |
| TOPIX                                  | 4,066.0 | \-0.9% w/w  |
| Growth 250 (small-cap growth)          | 779.2   | \-3.4% w/w  |
| USD/JPY *(as of 2026-10-15)*           | ¥157.98 | \-0.30 w/w  |
| JGB 10-year yield *(as of 2026-10-15)* | 2.95%   | \-14bp w/w  |
| VIX *(as of 2026-10-14)*               | 16.9    | +1.79 w/w   |

*Reference data only — TOPIX/Growth250 from exchange data, USD/JPY from ECB reference rates (FRED fallback), JGB from Ministry of Finance, VIX from FRED. We do not publish forecasts.*

## This week's observatory

Watchlist: **6** (1 core-size / 5 small & emerging). Most represented sectors: Services (1), Chemicals (1), Precision Instruments (1). Warning flags: **125**.

### Watchlist notables (supply-demand tier A/B)

| Ticker | Name                        | Sector              | Supply-demand tier | Business quality | Balance-sheet safety | Valuation |
| ------ | --------------------------- | ------------------- | ------------------ | ---------------- | -------------------- | --------- |
| 247A   | Ai ROBOTICS INC.            | Chemicals           | B                  | High             | Medium               | Cheap     |
| 285A   | Kioxia Holdings Corporation | Electric Appliances | B                  | High             | High                 | Neutral   |

*Tier reflects margin-trading supply and demand (A = light, B = neutral); it is not a ranking. Labels are systematic, not ratings. These are observations, not recommendations.*

## Scorecard — how last week's entries actually did

| Ticker | Name                            | Since entry | Status            |
| ------ | ------------------------------- | ----------- | ----------------- |
| 350A   | DIGITAL GRID Corporation        | \-7.9%      | Did not hold      |
| 3659   | NEXON Co.,Ltd.                  | +6.5%       | Rebound confirmed |
| 5889   | Japan Eyewear Holdings Co.,Ltd. | +1.9%       | Still monitoring  |
| 3712   | Information Planning CO.,LTD.   | +0.8%       | Still monitoring  |

*Return from the prior issue's as-of close to this issue's. Every issue includes this scorecard — wins and losses, timestamped. Nothing is deleted retroactively.*

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*Tsukiyo Research provides data and analysis for informational purposes only. Nothing here is investment advice or a recommendation to buy or sell any security. We are not a registered investment advisor in any jurisdiction. Past performance does not guarantee future results.*

*Data as-of 2026-10-16 close | Rules: crash:v1 / market\_context:v1 | Body SHA-256: `64a2402cd42d8888` (hash of the content above this line)*