Bitcoin reversed a rally toward $85,000 and fell nearly 3% on Thursday after failing to break a resistance trend line near $84,840, dropping back below $82,000. The move followed Tesla's Q3 results, where revenue of $28.05 billion narrowly missed the $28.13 billion estimate, while capital expenditure of $4.73 billion came in far below the projected $7.96 billion, reviving concerns about AI spending. Musk said spending would rise through 2028. South Korea's KOSPI closed down 3.52%, still struggling to recover from last week's low of 5,460 points. Onchain data showed open interest rising 4.5% to $55.95 billion before the reversal, which the article says raises the risk of sharper liquidations, and it flags the $80,000–$81,500 zone as key support.
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Related tickers and likely impact
BTC/USDT
▼ Likely negativeBitcoin
Relevance: high
| Market | Crypto |
|---|---|
| Exchange | Binance |
| Sector | Layer 1 |
| Market cap | $1.6T |
| Close on 10/21/2026 | 84,093.42 |
| Change that session | +1.28% |
ETH/USDT
▼ Likely negativeEthereum
Relevance: medium
| Market | Crypto |
|---|---|
| Exchange | Binance |
| Sector | Layer 1 |
| Market cap | $294.2B |
| Close on 10/21/2026 | 2,473.76 |
| Change that session | +1.00% |
Impact is scored by AI from the headline and may be wrong. It is not investment advice.
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