---
title: "No ‘Uptober’ Yet: Bitcoin Slips 2% in a Month That’s Historically Bullish"
description: "2026-10-19にBitcoin Magazineが報道。検知後1時間でBTC +0.08%。 Bitcoin Magazine: “Bitcoin’s price is currently down so far in October — albeit slightly — as speculators last week cashed out of ETFs. Will investors change course? This post No ‘Uptober’ Yet: Bitcoin Slips 2% in a Month That’s Historically Bullish…"
language: ja
canonical: "https://whycoinmoves.com/ja/events/bitcoin-no-uptober-yet-bitcoin-slips-07371149a16e2b"
published: 2026-10-20T09:03:17.000Z
updated: 2026-10-20T10:19:59.000Z
indexable: false
---

# No ‘Uptober’ Yet: Bitcoin Slips 2% in a Month That’s Historically Bullish

2026-10-19にBitcoin Magazineが報道。検知後1時間でBTC +0.08%。 Bitcoin Magazine: “Bitcoin’s price is currently down so far in October — albeit slightly — as speculators last week cashed out of ETFs. Will investors change course? This post No ‘Uptober’ Yet: Bitcoin Slips 2% in a Month That’s Historically Bullish…

Attributed sources: [Bitcoin Magazine](<https://bitcoinmagazine.com/markets/no-uptober-yet-as-bitcoin-slips>)

## Key facts

Bitcoin Magazine: “Bitcoin’s price is currently down so far in October — albeit slightly — as speculators last week cashed out of ETFs. Will investors change course? This post No ‘Uptober’ Yet: Bitcoin Slips 2% in a Month That’s Historically Bullish first…” 検知後1時間でBTCは+0.08%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) (Bitcoin Magazine); this describes source coverage, not truth or causation.
検知後の観測リターン：5分: -0.07% (20/10/2026, 09:03 → 20/10/2026, 09:08, UTC; OKX · USDT)；1時間: +0.08% (20/10/2026, 09:03 → 20/10/2026, 10:03, 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1.23%（OKX · USDT；基準 20/10/2026, 09:03, 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 | -0.07% | -0.07% | 0.00 pt | 20/10/2026, 09:03 → 20/10/2026, 09:08 | OKX · USDT |
| 1時間 | +0.08% | +0.08% | 0.00 pt | 20/10/2026, 09:03 → 20/10/2026, 10:03 | OKX · USDT |
| 24時間 | — | — | — | — | — |

## Historical hourly baseline

| Metric | Value |
| --- | --- |
| Ready | true |
| Coverage | 100.0% (720/720) |
| Median absolute hourly return | 0.15% |
| 99th percentile of absolute hourly returns | 1.23% |
| BTC beta | 1.00 |
| Source / cutoff (UTC) | OKX · USDT / 20/10/2026, 09:03 |

## Claims and open questions

- No independently verified causal explanation is available.

## Source evidence

- [No ‘Uptober’ Yet: Bitcoin Slips 2% in a Month That’s Historically Bullish](<https://bitcoinmagazine.com/markets/no-uptober-yet-as-bitcoin-slips>) — Bitcoin Magazine; published 19/10/2026, 16:18; received 20/10/2026, 09:03 (UTC).


## Recent BTC events and market reactions

公開基準を満たした他のBTCイベントはまだありません。

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

## 他銘柄の直近の価格急変動イベント

- [ZEC: 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>)
- [SHIB: SHIBはなぜ1分で0.74%上昇したのか？根拠・市場データ検証 · 2026-10-23](<https://whycoinmoves.com/ja/events/shiba-inu-move-1792719780>)
- [ADA: ADAはなぜ5分で1.60%下落したのか？根拠・市場データ検証 · 2026-10-22](<https://whycoinmoves.com/ja/events/cardano-move-1792687800>)
- [価格急変動](<https://whycoinmoves.com/ja/topics/market>)

## 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>)
- [Bitcoin halving and bull markets: evidence from four halvings](<https://whycoinmoves.com/ja/research/bitcoin-halving-and-market-cycles.md>)
- [Bittensor (TAO): Bitcoin beta, volatility and the AI crypto narrative](<https://whycoinmoves.com/ja/research/tao-bitcoin-risk-and-ai-narrative.md>)

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