---
title: "Glamsterdam Hoodi Testnet Announcement"
description: "2026-10-16にEthereum 官方博客が報道。検知後1時間でETH -0.43%。 Ethereum 官方博客: “Update — October 22, 2026: The October 26 Hoodi activation has been postponed, including the scheduled gas-limit increase to 200M. The schedule and activation instructions below have been superseded.”…"
language: ja
canonical: "https://whycoinmoves.com/ja/events/ethereum-d567d644690346"
published: 2026-10-20T05:23:30.000Z
updated: 2026-10-22T17:48:00.000Z
indexable: false
---

# Glamsterdam Hoodi Testnet Announcement

2026-10-16にEthereum 官方博客が報道。検知後1時間でETH -0.43%。 Ethereum 官方博客: “Update — October 22, 2026: The October 26 Hoodi activation has been postponed, including the scheduled gas-limit increase to 200M. The schedule and activation instructions below have been superseded.”…

Attributed sources: [Ethereum 官方博客](<https://blog.ethereum.org/en/2026/10/16/glamsterdam-hoodi-announcement>)

## Key facts

Ethereum 官方博客: “Update — October 22, 2026: The October 26 Hoodi activation has been postponed, including the scheduled gas-limit increase to 200M. The schedule and activation instructions below have been superseded.” 検知後1時間でETHは-0.43%変動。価格観測は因果関係を証明しません。
Evidence strength: 公式情報源, 1 publisher group(s) (Ethereum 官方博客); this describes source coverage, not truth or causation.
検知後の観測リターン：1時間: -0.43% (BTC比差 -0.16 pt; 20/10/2026, 05:25 → 20/10/2026, 06:29, UTC; OKX · USDT)。記載のない時間枠は未取得です。
直近30日間の時間足絶対リターンの99パーセンタイルは1.46%（OKX · USDT；基準 20/10/2026, 05:23, UTC）です。時間足基準は分単位の変動と直接比較できません。

## Returns after site detection

| Window | Return | BTC | Difference from BTC | Actual sampled interval (UTC) | Source |
| --- | --- | --- | --- | --- | --- |
| 5分 | — | — | — | — | — |
| 1時間 | -0.43% | -0.27% | -0.16 pt | 20/10/2026, 05:25 → 20/10/2026, 06:29 | OKX · USDT |
| 24時間 | — | — | — | — | — |

## Historical hourly baseline

| Metric | Value |
| --- | --- |
| Ready | true |
| Coverage | 99.9% (719/720) |
| Median absolute hourly return | 0.19% |
| 99th percentile of absolute hourly returns | 1.46% |
| BTC beta | 1.12 |
| Source / cutoff (UTC) | OKX · USDT / 20/10/2026, 05:23 |

## Claims and open questions

- No independently verified causal explanation is available.

## Source evidence

- [Glamsterdam Hoodi Testnet Announcement](<https://blog.ethereum.org/en/2026/10/16/glamsterdam-hoodi-announcement>) — Ethereum 官方博客; published 16/10/2026, 00:00; received 20/10/2026, 05:23 (UTC).


## Recent ETH events and market reactions

公開基準を満たした他のETHイベントはまだありません。

- [Full coin archive](<https://whycoinmoves.com/ja/coins/ethereum>)

## Research for this archive

- [Altcoin beta to Bitcoin: BTC, ETH, SOL and DOGE hourly returns](<https://whycoinmoves.com/ja/research/hourly-returns-and-bitcoin-beta.md>)
- [Perpetual funding rates and annualized yield: a 2025 comparison](<https://whycoinmoves.com/ja/research/funding-rates-versus-investor-returns.md>)
- [Crypto listing and delisting effects: an OKX price study](<https://whycoinmoves.com/ja/research/exchange-listing-and-delisting-price-reactions.md>)
- [XRP lawsuit and Ethereum ETFs: reading SEC filings and rulings](<https://whycoinmoves.com/ja/research/regulatory-filings-versus-media-headlines.md>)

[Methods and limitations](<https://whycoinmoves.com/ja/methodology>)
Publisher count is not independent evidence count. Price changes cannot verify news or prove causation.