---
title: "Bitcoin nears $81,000 ahead of Fed decision as ZEC jumps 8%"
description: "2026-10-28にCoinDeskが報道。 CoinDesk: “Majors outpaced bitcoin across the board as tech stocks extended a climb.” 検知後1時間でZECは-0.86%変動。価格観測は因果関係を証明しません。"
language: ja
canonical: "https://whycoinmoves.com/ja/events/zcash-bitcoin-nears-81-000-ahead-296a21b4ef74db"
published: 2026-10-28T04:17:58.000Z
updated: 2026-10-28T05:18:58.000Z
indexable: false
---

# Bitcoin nears $81,000 ahead of Fed decision as ZEC jumps 8%

2026-10-28にCoinDeskが報道。 CoinDesk: “Majors outpaced bitcoin across the board as tech stocks extended a climb.” 検知後1時間でZECは-0.86%変動。価格観測は因果関係を証明しません。

Attributed sources: [CoinDesk](<https://www.coindesk.com/markets/2026/10/28/bitcoin-nears-usd81-000-ahead-of-fed-decision-as-zec-jumps-8>)

## Key facts

CoinDesk: “Majors outpaced bitcoin across the board as tech stocks extended a climb.” 検知後1時間でZECは-0.86%変動。価格観測は因果関係を証明しません。
Evidence strength: 単一情報源, 1 publisher group(s) (CoinDesk).
検知後の観測リターン：5分: -0.19% (BTC比差 -0.14 pt; 2026-10-28 04:17 → 2026-10-28 04:22, UTC; Gate · USDT)；1時間: -0.86% (BTC比差 -0.81 pt; 2026-10-28 04:17 → 2026-10-28 05:17, UTC; Gate · USDT)。
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3.96%（OKX · USDT；基準 2026-10-28 04:17, UTC）です。

## Returns after site detection

| Window | Return | BTC | Difference from BTC | Actual sampled interval (UTC) | Source |
| --- | --- | --- | --- | --- | --- |
| 5分 | -0.19% | -0.05% | -0.14 pt | 2026-10-28 04:17 → 2026-10-28 04:22 | Gate · USDT |
| 1時間 | -0.86% | -0.06% | -0.81 pt | 2026-10-28 04:17 → 2026-10-28 05:17 | Gate · USDT |

## Historical hourly baseline

| Metric | Value |
| --- | --- |
| Coverage | 100.0% (720/720) |
| Median absolute hourly return | 0.57% |
| 99th percentile of absolute hourly returns | 3.96% |
| BTC beta | 2.31 |
| Source / cutoff (UTC) | OKX · USDT / 2026-10-28 04:17 |

## Claims and open questions

- No independently verified causal explanation is available.

## Source evidence

- [Bitcoin nears $81,000 ahead of Fed decision as ZEC jumps 8%](<https://www.coindesk.com/markets/2026/10/28/bitcoin-nears-usd81-000-ahead-of-fed-decision-as-zec-jumps-8>) — CoinDesk; published 2026-10-28 04:15; received 2026-10-28 04:17 (UTC).


## Recent ZEC events and market reactions

公開基準を満たした他のZECイベントはまだありません。

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

## 関連リサーチ

- [Monero XMR and Zcash ZEC: delistings, liquidity and USD vs USDT](<https://whycoinmoves.com/ja/research/privacy-coin-delistings-and-quote-currency-isolation.md>)
- [Altcoin beta to Bitcoin: BTC, ETH, SOL and DOGE hourly returns](<https://whycoinmoves.com/ja/research/hourly-returns-and-bitcoin-beta.md>)
- [Will Bitcoin go back up? Every crash since 2011 and its recovery time](<https://whycoinmoves.com/ja/research/bitcoin-crash-recovery-time.md>)
- [Do XRP and Solana ETF flows move the price? First-year data](<https://whycoinmoves.com/ja/research/xrp-solana-etf-flows-and-price.md>)

根拠レベルは情報源のカバー範囲を示し、報道が真である確率ではありません。価格変動とそのタイミングだけでは原因を証明できません。分足サンプルは観測区間を示し、アラート閾値は経験的な基準です。解説はモデル支援で作成し、引用と数値を確認しています。情報源タイトルは原語のまま表示し、記事全文は転載しません。 [Methods and limitations](<https://whycoinmoves.com/ja/methodology>)