---
title: "2026-10-26にビットコイン Bitcoin (BTC)はなぜ動いたのか？"
language: ja
canonical: "https://whycoinmoves.com/ja/coins/bitcoin/2026-10-26"
date: 2026-10-26
---

# 2026-10-26にビットコイン Bitcoin (BTC)はなぜ動いたのか？

2026-10-26 (UTC)、BTCはGate · USDTで約$80,154.50から$80,145.90（-0.01%）へ推移し、高安レンジは$79,373.60 – $80,840.40でした。 BTCは通常の1日の変動範囲内で推移しています。 過去29日間のうち16日でこれ以上の下落が観測されています。 下のタイムラインにBTCの報道が16件あります。タイミングだけでは変動原因を証明できません。

- Day open / close: $80,154.50 → $80,145.90 (24 hourly candles, Gate · USDT)
- Day range: $79,373.60 – $80,840.40
- 過去1ヶ月との比較: 過去29日間のうち16日でこれを上回る下落; 2026-10-27 00:00 UTCまでの24時間で-0.01%、通常の1日(0.8%)の\<0.1×。
- 30日間レンジ: 高値から-8.1%・安値から+1.1%; 同一取引所の時間足高値・安値基準
- 他の追跡銘柄の動き: 他の25銘柄中7銘柄が0.0%以上下落; 18銘柄は逆に同程度上昇
- 24時間出来高倍率: 1.1×; 直近30日間の日次平均比

2026-10-27 00:00 UTCまでの24時間のGate · USDT時間足データから算出。

## 2026-10-26前後のBTCタイムライン

- 2026-10-25 14:01 UTC: [US spot Bitcoin ETFs end two-week outflow streak with about $301 million weekly inflow](<https://whycoinmoves.com/en/events/bitcoin-bitcoin-etfs-snap-two-week-6392828688d0c1>) (English) · Decrypt — US spot Bitcoin ETFs finished the week with roughly $301 million in net inflows, Decrypt reported, snapping a two-week losing streak despite $137.9 million in Friday outflows and a two-day slide of about $773.5 million.
- 2026-10-26 05:15 UTC: [Electrum patched a wallet flaw that let rogue servers steal bitcoin](<https://whycoinmoves.com/en/events/bitcoin-bitcoin-wallet-bug-let-rogue-99bbc6c1457d74>) (English) · CoinDesk — Electrum disclosed that malicious servers could replace unconfirmed payments in its wallet, then sign a valid replacement sending coins to the attacker once users raised the fee.
- 2026-10-26 12:24 UTC: [Strive buys 6,182 bitcoin for $511.4 million, lifting holdings to 43,000 BTC](<https://whycoinmoves.com/en/events/bitcoin-strive-asst-buys-6-182-46493437a9f5d4>) (English) · Bitcoin Magazine — Strive acquired 6,182 bitcoin for $511.4 million between October 17 and October 23 at an average of $82,732 per bitcoin, Bitcoin Magazine reported, citing an SEC filing.
- 2026-10-26 13:01 UTC: [Galaxy Research says bitcoin's bear market ended at the June low](<https://whycoinmoves.com/en/events/bitcoin-bitcoin-s-bear-market-over-15971c4f7772ba>) (English) · Decrypt — Galaxy Research, in a report by head of firmwide research Alex Thorn, said bitcoin's bear market ended at the June low and that the asset is in an accumulation phase, writing that now is an attractive time to buy and hold bitcoin.
- 2026-10-26 13:02 UTC: [Bitcoin dips below $80,000 ahead of Fed decision and midterms](<https://whycoinmoves.com/en/events/bitcoin-bitcoin-dips-below-80-000-1fd72aeceddfb3>) (English) · Decrypt — Bitcoin fell as low as $79,332 before recovering to $80,240, down 2.5% over the past week, Decrypt reported, citing CoinGecko data. U.S. spot Bitcoin ETFs saw $635.5 million in net outflows on Thursday and a further $137.9 million on…
- 2026-10-26 13:21 UTC: [Bitcoin Magazine video examines Bitcoin exposure after PHP flaws take sites offline](<https://whycoinmoves.com/en/events/bitcoin-php-hack-how-bitcoin-will-5a61513c754a95>) (English) · Bitcoin Magazine — Bitcoin Magazine published a video in which its technical editor Shinobi discusses PHP vulnerabilities that took government websites in France and Finland and hospital sites in the Netherlands offline, and whether Bitcoin is exposed.
- 2026-10-26 13:23 UTC: [Strategy pauses bitcoin purchases, spends $204.9 million buying back STRC](<https://whycoinmoves.com/en/events/bitcoin-strategy-pauses-bitcoin-buys-repurchases-5886712035ca4f>) (English) · The Block — Strategy made no bitcoin purchases or sales in the week of October 19–25 and instead spent $204.9 million repurchasing its STRC preferred stock, Bitcoin Magazine reported, citing a company release.
- 2026-10-26 14:06 UTC: [South Korea weighs fourth delay of 22% crypto tax to 2029](<https://whycoinmoves.com/en/events/bitcoin-south-korea-weighs-fourth-delay-7a7c0b1dd21b15>) (English) · Bitcoin Magazine — South Korea's presidential office is reviewing a fourth postponement of the country's 22% tax on crypto gains, moving the start from January 2027 to 2029, Bitcoin Magazine reported, citing Newsis.
- 2026-10-26 17:41 UTC: [Electrum patches flaw that let rogue servers redirect fee-bumped payments](<https://whycoinmoves.com/en/events/bitcoin-bitcoin-wallet-fixes-critical-flaw-6d889edc905778>) (English) · Decrypt — Electrum released version 4.8.3 to fix a high-severity flaw affecting all earlier versions, Decrypt reported.
- 2026-10-27 04:00 UTC: [Bitcoin Core fixes memory growth flaw in paused pre-BIP31 peers](<https://whycoinmoves.com/en/events/bitcoin-bitcoin-core-32-1-released-0649bceffba900>) (English) · Bitcoin Core — Bitcoin Core disclosed CVE-2026-117349, a medium-severity, easily discoverable flaw in which pre-BIP31 peers that never unpause let queued announcements grow without limit, at up to 2MB per hour per inbound peer and 5MB per hour per…
- 2026-10-27 12:00 UTC: [Bitcoin trades below $80,000 as analysts flag near-term weakness](<https://whycoinmoves.com/en/events/bitcoin-bitcoin-shows-signs-weakness-while-4abcbce1d330d8>) (English) · CoinDesk — Bitcoin is trading below $80,000, under its 50-day average, according to observers cited in a CoinDesk Daybook newsletter.
- 2026-10-27 13:01 UTC: [Luxor raises $16 million round led by CMT Digital to expand AI compute business](<https://whycoinmoves.com/en/events/bitcoin-bitcoin-mining-firm-luxor-raises-268baa67c0f563>) (English) · Decrypt — Luxor Technology Corporation, a bitcoin miner turned AI compute firm, announced a $16 million strategic investment round led by CMT Digital, Bitcoin Magazine reported.
- 2026-10-27 14:34 UTC: [Crypto industry spends about $176 million across more than 100 midterm races](<https://whycoinmoves.com/en/events/bitcoin-crypto-midterm-election-spending-reaches-b3ccfbc309c49e>) (English) · Bitcoin Magazine — The crypto industry has spent about $176 million across more than 100 midterm races this cycle, according to a Reuters review of campaign spending cited by Bitcoin Magazine. Fairshake and its affiliates had spent about $150.8 million…
- 2026-10-27 18:16 UTC: [Keystone to destroy 18,835 Bitcoin wallets after factory key theft](<https://whycoinmoves.com/en/events/bitcoin-bitcoin-wallet-maker-keystone-pulls-8b5c3ef3b471a6>) (English) · Decrypt — Keystone said it will destroy 18,835 unsold Bitcoin hardware wallets and pause shipping after attackers obtained the factory WebAuth key used to prove devices are genuine, Decrypt reported.
- 2026-10-27 18:29 UTC: [CFTC reportedly reopens Polymarket inquiry over US user access](<https://whycoinmoves.com/en/events/bitcoin-cftc-again-probes-polymarket-over-05176a4c0b5097>) (English) · Bitcoin Magazine — The CFTC is reportedly investigating whether Polymarket violated its January 2022 settlement by allowing US users onto its offshore platform, Bitcoin Magazine reported, citing Reuters. Polymarket paid a $1.4 million penalty in that…
- 2026-10-27 19:18 UTC: [VanEck launches Wealth Builder ETF with indirect Bitcoin exposure](<https://whycoinmoves.com/en/events/bitcoin-vaneck-launches-all-one-wealth-61961c93ad8f8a>) (English) · Bitcoin Magazine — VanEck launched its actively managed Wealth Builder ETF, trading on the NYSE as WBMO, packaging stocks, bonds, gold and indirect bitcoin exposure into one fund, Bitcoin Magazine reported. The gross expense ratio is 0.33%, with a 0.07% fee…

Prices, market readings and reports are shown side by side; timing alone does not show what caused a move.

## 2026-10-26 同日の価格変動銘柄（UTC）

- [Quack AI (Q) +248.57%](<https://whycoinmoves.com/ja/coins/quack-ai/2026-10-26>)
- [USD.AI (CHIP) +15.90%](<https://whycoinmoves.com/ja/coins/chip-2/2026-10-26>)

[ビットコイン Bitcoin (BTC) price and news](<https://whycoinmoves.com/ja/coins/bitcoin>)
[Methods and limitations](<https://whycoinmoves.com/ja/methodology>)
