Bitcoin climbs to a one-week high as SpaceX and Tesla put 30,000 $BTC on the table

Bitcoin ($BTC) reached a one-week high on Wednesday, Oct 21, 2026, trading around $83,500 and adding 0.6% since midnight UTC as an earnings-led rebound in Asian technology stocks lifted risk assets. Its quoted price was $83,430.52. SpaceX ($SPCX) and Super Micro Computer ($SMCI) set the tone with strong results on Tuesday in the U.S., while South Korea’s Kospi index advanced 3.29% and Nasdaq 100 futures rose 0.44%.

Elon Musk, CEO of SpaceX and Tesla ($TSLA), said the two companies formed special committees to discuss a merger that would combine more than 30,000 bitcoin ($2.5 billion) held on their balance sheets. Altcoins moved with bitcoin, with ether ($ETH) quoted at $2,463.11 after gaining 0.6% to near $2,460. The CoinDesk 80 (CD80) rose 0.47%, against 0.64% for the CoinDesk 5 (CD5), while the CoinDesk Memecoin Index gained 1.2%, ahead of the CoinDesk 100’s 0.84%. Near led the CoinDesk 100 Index with a 6.0% increase.

Solana’s Alpenglow upgrade, which targets finality of about 150 milliseconds, goes live today, while Meta Platforms ($META) reports after the U.S. close.

Futures activity picked up as 24-hour crypto futures volume rose 19% to $190 billion. Open interest (OI) increased nearly 4% to $145 billion, while liquidations climbed 76% to $284 million. The taker long/short volume ratio stood at nearly 53% to 47%, a notable tilt toward longs or bullish plays.

The BTC and ETH rallies were driven more by price than by new bets: over 24 hours, spot prices rose 2.6% for BTC and 3.35% for ETH, while futures OI rose 3% and 2%. Bitcoin’s OI rose about as much as its price, indicating little fresh money came in, while ETH’s OI lagged its price, suggesting traders trimmed positions in coin terms. Overall positioning remained light, with OI tallies well below lifetime peaks.

Privacy coins drew fresh leverage as Zcash ($ZEC) extended a jump of about 11% over the past day after developers set a November date for the privacy-focused blockchain’s upgrade. ZEC’s OI rose 24% against a 12% price gain, showing that new positions were added, while its annualized funding rate reached 10% and the 24-hour OI-adjusted cumulative volume delta (CVD) was negative.