---
title: "Crypto rises with Asian tech stocks, zcash extends gain after setting upgrade date"
description: "2026-10-21にCoinDeskが報道。検知後1時間でZEC +0.82%。 CoinDesk: “Bitcoin rose to a one-week high as Asian tech stocks rebounded and SpaceX and Tesla formed committees to explore a merger.” 検知後1時間でZECは+0.82%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-crypto-rises-asian-tech-stocks-a9d04ad4481823"
published: 2026-10-21T10:37:57.000Z
updated: 2026-10-21T11:38:01.000Z
indexable: false
---

# Crypto rises with Asian tech stocks, zcash extends gain after setting upgrade date

2026-10-21にCoinDeskが報道。検知後1時間でZEC +0.82%。 CoinDesk: “Bitcoin rose to a one-week high as Asian tech stocks rebounded and SpaceX and Tesla formed committees to explore a merger.” 検知後1時間でZECは+0.82%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/2026/10/21/crypto-rises-with-asian-tech-stocks-zcash-extends-gain-after-setting-upgrade-date>)

## Key facts

CoinDesk: “Bitcoin rose to a one-week high as Asian tech stocks rebounded and SpaceX and Tesla formed committees to explore a merger.” 検知後1時間でZECは+0.82%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); this describes source coverage, not truth or causation.
検知後の観測リターン：1時間: +0.82% (BTC比差 +0.69 pt; 21/10/2026, 10:37 → 21/10/2026, 11:37, UTC; Gate · 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4.07%（OKX · USDT；基準 21/10/2026, 10:37, 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 | +0.82% | +0.13% | +0.69 pt | 21/10/2026, 10:37 → 21/10/2026, 11:37 | Gate · USDT |
| 24時間 | — | — | — | — | — |

## Historical hourly baseline

| Metric | Value |
| --- | --- |
| Ready | true |
| Coverage | 100.0% (720/720) |
| Median absolute hourly return | 0.54% |
| 99th percentile of absolute hourly returns | 4.07% |
| BTC beta | 2.02 |
| Source / cutoff (UTC) | OKX · USDT / 21/10/2026, 10:37 |

## Claims and open questions

- No independently verified causal explanation is available.

## Source evidence

- [Crypto rises with Asian tech stocks, zcash extends gain after setting upgrade date](<https://www.coindesk.com/markets/2026/10/21/crypto-rises-with-asian-tech-stocks-zcash-extends-gain-after-setting-upgrade-date>) — CoinDesk; published 21/10/2026, 10:34; received 21/10/2026, 10:37 (UTC).


## Recent ZEC events and market reactions

- [ZECはなぜ1分で0.74%下落したのか？根拠・市場データ検証 · 2026-10-23](<https://whycoinmoves.com/ja/events/zcash-move-1792720080>) — 受信 23/10/2026, 01:48 (UTC) · 原因未確定 · 価格急変動 · 5m -0.50% / 1h -0.50%
- [Full coin archive](<https://whycoinmoves.com/ja/coins/zcash>)

## Research for this archive

- [Monero XMR and Zcash ZEC: delistings, liquidity and USD vs USDT](<https://whycoinmoves.com/ja/research/privacy-coin-delistings-and-quote-currency-isolation.md>)

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