Tom Lee calls it a hard cap, ETH fell about 5% on the news, and roughly $258M of buying is all that's left. Here's what changes and what doesn't.
🚀 For more than a year, one name has been a steady bid under the Ethereum market. On Wednesday, October 7, BitMine Chairman Tom Lee told the TOKEN2049 crowd in Singapore that the buying is about to end.
"This is a hard cap," Lee said, according to Crypto Briefing. BitMine will stop once it owns 5% of ETH's circulating supply.
ETH fell about 5% to roughly $2,586 that day, and KuCoin's market report counted about $216.56 million in liquidations, 97% of them longs. Lots of things were moving the market that day, so I wouldn't pin all of it on one headline. But the timing is hard to ignore.
🧮 First, where BitMine actually stands.
Its Monday update showed 6,016,414 ETH, about 4.9% of the 122.1 million ETH in circulation, after a $41 million purchase last week. Lee says it needs roughly 100,000 more ETH to hit 5%, which Crypto Briefing put at about $258 million at recent prices. BitMine holds $643 million in cash and securities, more than twice that amount. At last week's pace, the remaining buying would take about six to seven more weeks.
The final stretch is also small compared with the whole market. 100,000 ETH is about 0.08% of supply (my own math).
📉 The buying has already been fading, which changes the question.
Crypto news reports that BitMine was adding over 100,000 ETH a week earlier this year, before Lee said at Consensus 2026 that the firm would slow down. Last week's $41 million works out to roughly 16,000 ETH (my own math), more than 80% below that earlier pace. So, the "biggest buyer" has been tapering for a while. The cap just puts a date on the end of it.
🧠 Why Lee says now is the time.
He told the audience the plan was expected to take five years and took a little over one. He argues the buying happened in a bear market and helped support ETH on the way down. He also says that without more purchases to fund, BitMine no longer needs to raise capital, which he thinks lets the company outperform ETH if it rises. He called himself done accumulating ahead of what he described as a 25X move, which is his opinion and not a forecast anyone can verify.
The cap is a ceiling on accumulation, not a promise to never sell. Cointelegraph reported Lee has said BitMine could sell ETH earned through staking so that its share doesn't drift above 5%. BitMine says it expects about $363 million a year in staking income from its current holdings.
🏗️ So who buys ETH when BitMine stops?
Nobody can answer that with certainty, and anyone who does is guessing. A few honest pieces of context:
1️⃣ The remaining BitMine purchase is about 1.3 times the $202 million that left spot ETH ETFs on October 6 alone (my own math). Flows from ETFs and other buyers can matter as much as one company's final stretch.
2️⃣ Analyst Justin Wu framed the real question differently. BitMine is focused on owning a share of supply, not a price target, so what matters is what happens if several companies compete for the same limited supply.
3️⃣ One analysis on KuCoin makes the point that stopping purchases doesn't automatically remove support or force the price down.
⚠️ The risk side deserves a plain mention too.
DropsTab estimates BitMine's unrealized loss at about $4.5 billion, because much of the position was bought at higher prices. That's a third-party estimate, and it doesn't tell you what the company will do. It does show how far underwater a treasury strategy can be when the buying stops and price doesn't follow.
✅ What this means for you
If you hold ETH, the useful takeaway is timing. A predictable weekly bid is set to disappear within about two months, and the market will have to find its footing without it. That's neither good nor bad on its own.
If you're on the sidelines, a headline about a big buyer stopping is easy to over-read. Watch what ETF flows and other treasury buyers do over the next few weeks before drawing conclusions.
If you're learning to read treasury companies, notice the difference between a cap on buying and a promise never to sell. The wording in both Lee's remarks and the filings matters.
🟢 Calm case
ETF flows and other buyers pick up the slack, BitMine moves to staking income, and the end of its buying turns out to be mostly a headline.
🔴 Stress case
Demand thins right as BitMine's bid fades, other treasury buyers also slow down, and ETH struggles to hold ground without its steadiest buyer.
👀 Three things to watch
1️⃣ BitMine's weekly updates
Does the buying pace keep falling toward the cap, and does the 5% line hold exactly as stated?
2️⃣ ETF flows
Do spot ETH ETFs keep seeing outflows, or does demand return after the $202M outflow?
3️⃣ Other treasury buyers
Do other ETH treasury companies keep adding, or does the pace slow across the board?
💡 The key takeaway
BitMine isn't suddenly leaving. It's finishing a plan it started about a year ago, at a pace that was already shrinking, with a ceiling it's now stated in public.
The real question is whether the rest of the market is ready to carry ETH once the steadiest buyer steps away.
That is the part worth watching.
This post is for informational and educational purposes only and is not financial advice. Crypto markets are volatile. Always conduct your own research before making financial decisions.
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