---
title: "Bitcoin drops to $81,400 as Asian chip stocks tumble, options traders seek downside protection"
description: "CoinDesk 于 2026-10-20 报道。 CoinDesk: “Bitcoin slipped 0.5% to around $81,400 even after the biggest daily spot ETF inflow in nearly a month as South Korea's Kospi index fell 3.7% on AI worries.”"
language: zh
canonical: "https://whycoinmoves.com/zh/events/chip-2-bitcoin-drops-81-400-asian-dcac9f20f3bb08"
published: 2026-10-21T00:36:57.000Z
updated: 2026-10-21T00:36:57.000Z
indexable: false
---

# Bitcoin drops to $81,400 as Asian chip stocks tumble, options traders seek downside protection

CoinDesk 于 2026-10-20 报道。 CoinDesk: “Bitcoin slipped 0.5% to around $81,400 even after the biggest daily spot ETF inflow in nearly a month as South Korea's Kospi index fell 3.7% on AI worries.”

Attributed sources: [CoinDesk](<https://www.coindesk.com/markets/2026/10/20/bitcoin-drops-to-usd81-400-as-asian-chip-stocks-tumble-options-traders-seek-downside-protection>)

## Key facts

CoinDesk: “Bitcoin slipped 0.5% to around $81,400 even after the biggest daily spot ETF inflow in nearly a month as South Korea's Kospi index fell 3.7% on AI worries.”
Evidence strength: 单一信源, 1 publisher group(s) (CoinDesk); this describes source coverage, not truth or causation.
暂无已完成的检测后收益率窗口。

## Returns after site detection

| Window | Return | BTC | Difference from BTC | Actual sampled interval (UTC) | Source |
| --- | --- | --- | --- | --- | --- |
| 5 分钟 | — | — | — | — | — |
| 1 小时 | — | — | — | — | — |
| 24 小时 | — | — | — | — | — |

## Historical hourly baseline

| Metric | Value |
| --- | --- |
| Ready | false |
| Coverage | 0.0% (0/720) |
| Median absolute hourly return | — |
| 99th percentile of absolute hourly returns | — |
| BTC beta | — |
| Source / cutoff (UTC) | — / 21/10/2026, 00:36 |

## Claims and open questions

- No independently verified causal explanation is available.

## Source evidence

- [Bitcoin drops to $81,400 as Asian chip stocks tumble, options traders seek downside protection](<https://www.coindesk.com/markets/2026/10/20/bitcoin-drops-to-usd81-400-as-asian-chip-stocks-tumble-options-traders-seek-downside-protection>) — CoinDesk; published 20/10/2026, 10:22; received 20/10/2026, 10:26 (UTC).


## Recent CHIP events and market reactions

暂无其他已达标的 CHIP 事件。

- [Full coin archive](<https://whycoinmoves.com/zh/coins/chip-2>)

## 其他币种的近期行情异动事件

- [PEARL: PEARL 为什么在 1 分钟内下跌 2.38%？信源与行情核查 · 2026-10-23](<https://whycoinmoves.com/zh/events/pearl-2-move-1792762740>)
- [ZEC: ZEC 为什么在 1 分钟内下跌 0.74%？信源与行情核查 · 2026-10-23](<https://whycoinmoves.com/zh/events/zcash-move-1792720080>)
- [SHIB: SHIB 为什么在 1 分钟内上涨 0.74%？信源与行情核查 · 2026-10-23](<https://whycoinmoves.com/zh/events/shiba-inu-move-1792719780>)
- [行情异动](<https://whycoinmoves.com/zh/topics/market>)

## Research for this archive

- [Altcoin beta to Bitcoin: BTC, ETH, SOL and DOGE hourly returns](<https://whycoinmoves.com/zh/research/hourly-returns-and-bitcoin-beta.md>)
- [Crypto liquidity and order book depth: a historical data audit](<https://whycoinmoves.com/zh/research/order-book-data-quality.md>)
- [Perpetual funding rates and annualized yield: a 2025 comparison](<https://whycoinmoves.com/zh/research/funding-rates-versus-investor-returns.md>)
- [Bitcoin halving and bull markets: evidence from four halvings](<https://whycoinmoves.com/zh/research/bitcoin-halving-and-market-cycles.md>)

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