Tom Lee warns Korean brokerage margin calls could add to ether selling after a 6% KOSPI plunge
Fundstrat's Tom Lee warned that Korean brokerage margin calls after an intraday KOSPI plunge of more than 6% could add selling pressure to ether. Ether lost only 0.96% over 24 hours, so the contagion he describes had not yet appeared in its price.
The Investor · Invest desk
Key figures: ether traded near $2,526.74 at press time, per CoinGecko. The chart puts resistance near $2,600, immediate support between $2,400 and $2,450, and another potential support at $2,200.
| Figure | Value | Note | Claim |
|---|---|---|---|
| ETH price at press time, per CoinGecko | 2,526.74 dollars | 7 | |
| Resistance, per chart | 2,600 dollars, near | 11 | |
| Immediate support, low end | 2,400 dollars | support zone runs $2,400 to $2,450 | 11 |
| Further potential support | 2,200 dollars | 11 |
What happened
- The Korea Exchange suspended KOSPI program trading for five minutes at about 9:48 a.m. local time, a sell-side sidecar triggered after KOSPI 200 futures fell more than 5%.
- Samsung Electronics and SK Hynix fell by close to or more than 8% at one point, following a roughly 2.7% drop in the Philadelphia Semiconductor Index on Monday.
- Korean brokerages can liquidate positions when customers miss collateral requirements, and Lee suggested those investors might sell other assets, including crypto, to raise cash.
- CoinGecko showed ether near $2,526.74 at press time, inside a 24-hour range of $2,411.24 to $2,557.96.
Why it matters
- exposure Ether sits 5.0% above $2,400 support. If that level fails, the next level on the chart, $2,200, is another 8.3% lower.
- decision A holder weighing a sale on the warning is trading a 2.9% gap up to $2,600 resistance against a downside whose trigger is still a forecast.
- constraint BitMine's latest purchase is 0.2% of the $15.91 billion in daily volume, so one accumulator's buying offsets little if forced selling arrives.
- contradiction Ether's 6.16% seven-day loss was mostly built before the latest 24 hours, about 5.3% of it, so something other than Korean margin calls was already pushing it lower.
Lee's warning, issued as the KOSPI fell more than 6% on October 13 [1], leaves several outcomes open. Korean margin calls could reach crypto and break the $2,400 to $2,450 support band [11]. They could reach crypto and be absorbed there. Or they could stay inside the stock market, if the investors being liquidated hold little ether.
Lee's claim is conditional. Fundstrat shared it on X [13], and crypto.news reported that Lee described the effect on ether as "short-term pain" [5]. The outlet noted that his comments were a warning about potential contagion and did not confirm that Korean margin liquidations had already caused measurable ether sales [12]. Lee did not give a price target or an estimate of crypto liquidations, and he did not identify exchanges or transactions [6].
BitMine was the one buyer in the source. It acquired 12,532 ETH, taking its reported holdings to 6,028,946 tokens, about 4.9% ownership [10]. At the press-time price that purchase is worth roughly $31.7 million [18].
The test is close. The 24-hour low of $2,411.24 [7] sat 0.5% above $2,400 [15], so the level has already been approached without breaking. If ether holds the band through further Korean losses, Lee's channel is weaker than he fears. If it breaks on a day Korean stocks are quiet, the cause lies elsewhere, and ether's earlier weakness already points that way [20].
We think the direction of the warning is sound and the timing is unproven: "short-term" can mean a day or a fortnight. The counter-case is the price itself, which traded a 24-hour range that stayed above $2,400 [7] while BitMine was buying [10].
What to watch
- Whether ether holds the $2,400 to $2,450 band if the KOSPI keeps falling; a break exposes $2,200.
- Any data from Korean exchanges or brokers that ties margin liquidations to crypto sales, which Lee did not supply.
- Whether ether clears $2,600, the level crypto.news's chart says would improve the recovery setup.
Clarity's read
What the record supports and how the coverage leans. The claims behind it follow.
Reality
- Evidence40
- Adoption
- Insufficient
- Hype gap+20
- Incentives
- Insufficient
- Confidence55
Claim ledger
Ranked by verification strength, evidence, and original report placement.
- [1]
Fundstrat co-founder Tom Lee warned that South Korea's stock market crash could trigger further selling pressure on Ethereum, as the KOSPI plunged more than 6% on October 13, 2026.
- [2]
According to the Korea Exchange, KOSPI program trading was suspended for five minutes at about 9:48 a.m. local time, when a sell-side sidecar was activated after KOSPI 200 futures fell more than 5%.
- [3]
Samsung Electronics and SK Hynix suffered losses approaching or exceeding 8% at one point, following a fall of about 2.7% in the Philadelphia Semiconductor Index during Monday's trading.
- [4]
South Korean brokerages can liquidate positions when customers fail to maintain required collateral levels; Lee suggested investors facing those demands might sell other assets, including cryptocurrencies, to obtain cash.
- [5]
Lee described the potential effect on Ethereum as "short-term pain".
- [6]
Lee did not provide a specific price target or an estimate of possible crypto liquidations, and did not identify specific cryptocurrency exchanges, liquidation amounts or transactions connected to the stock market decline.
- [7]
According to CoinGecko, ETH was trading near $2,526.74 at press time, with a 24-hour range between $2,411.24 and $2,557.96.
- [8]
The earlier October 13 price reading placed Ethereum at $2,529.79, down 0.96% over 24 hours and 6.16% over seven days.
- [9]
CoinGecko's subsequent snapshot showed ETH trading volume near $15.91 billion.
- [10]
BitMine acquired 12,532 ETH, raising its reported holdings to 6,028,946 tokens, approximately 4.9% ownership.
- [11]
The chart identified immediate support between $2,400 and $2,450 with another potential support at $2,200; resistance remained near $2,600; a move above $2,600 would improve the recovery setup, while losing $2,400 could expose Ethereum to another test of lower support.
- [12]
Lee's comments were a warning about potential financial contagion, not confirmation that South Korean margin liquidations had already caused measurable Ethereum sales.
- [13]
Fundstrat shared Lee's warning on X.
- [14]
ETH at the press-time price is about 5.0% above the $2,400 support level.
- [15]
The 24-hour low of $2,411.24 was about 0.5% above $2,400.
- [16]
The $2,600 resistance level is about 2.9% above the press-time price.
- [17]
The $2,200 support level is about 8.3% below $2,400.
- [18]
BitMine's 12,532 ETH purchase is worth roughly $31.7 million at the press-time price.
- [19]
BitMine's purchase is about 0.2% of ETH daily trading volume.
- [20]
ETH fell about 5.3% in the six days before the latest 24-hour window, given a 6.16% seven-day loss and a 0.96% 24-hour loss.
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Sources
1 independent publisher whose own reporting we read for this story.
- crypto.newsEthereum price at risk as Tom Lee warns of selloff
1 article · October 13, 2026
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