South Korea Crypto Volume Hits a Two-Year Low Amid the KOSDAQ Crash

The local liquidity pool is shrinking, not rotating

According to Blockonomi, combined turnover across Upbit, Bithumb, Coinone, Korbit, and Gopax fell to about KRW 9.9676 trillion for the July 3–July 10 period.

That was down 25.75% from roughly KRW 13.4 trillion one week earlier. It also extended a five-week decline that began after weekly volume stood at KRW 17.7 trillion between June 5 and June 12.

The sequence matters more than the headline print.

• KRW 17.7 trillion
• KRW 15.4 trillion
• KRW 14.6 trillion
• KRW 13.4 trillion
• KRW 9.9676 trillion

That is not one bad session. It is a sustained drawdown in activity. Blockonomi puts the monthly decline at about 43.5% from the early-June level.

BeInCrypto framed the same move as South Korean crypto volume hitting a two-year low amid the KOSDAQ crash. The source headline connects the crypto slowdown with pressure in the local equity market, but the available evidence does not prove causality. The cleaner read: risk appetite in Korea has weakened, and crypto turnover is now reflecting it.

Upbit still dominates, but dominance inside a smaller market is not strength

Upbit remains the largest venue by share. Blockonomi reports a 63.02% share of South Korean crypto exchange volume for the latest period.

But that share fell by 3.95 percentage points from the prior week. Bithumb gained 2.38 percentage points to reach 29.51%. Coinone rose 1.46 percentage points to 6.66%. Korbit accounted for 0.78%, while Gopax held 0.03%.

The ranking did not change. The market structure did.

Upbit and Bithumb still control more than nine-tenths of won-denominated exchange turnover. That concentration creates a simple systemic read: changes in activity on either venue can move national totals. Smaller exchanges are left competing for a narrower pool of active traders.

The key point is that Bithumb and Coinone gained share while total turnover fell sharply. That is relative outperformance inside a contracting pool, not broad market expansion.

For traders, this distinction matters. Market share gains do not automatically mean better execution if aggregate liquidity is falling. In a lower-volume regime, large orders can face wider price gaps and slower matching. Arbitrage becomes more sensitive to fees, latency, and local order-book depth.

What traders should check now

The practical risk is not the headline “two-year low.” It is execution quality.

A shrinking local liquidity base can alter the cost of trading even when quoted prices look normal. The order book can look acceptable at the top level, then thin out quickly beyond the first few layers.

Watch these inputs:

• Won-pair depth: Volume decline across fiat-market venues can make KRW pairs more fragile during fast moves.
• Spread behavior: If spreads widen during local market stress, small trades become more expensive and large trades become harder to place cleanly.
• Venue concentration: Upbit and Bithumb still set the tone. If either sees another sharp turnover drop, the national total can weaken further.
• Relative-share noise: Bithumb and Coinone gaining share does not remove the liquidity sink. It only shows where the remaining activity shifted.
• Fee impact: Exchanges earn less when turnover falls for several weeks. Incentive changes, promotions, or fee competition may follow, but none are confirmed in the available source material.

Coinfomania also flagged the implications for Upbit users, which fits the data. Upbit is still the dominant venue, but its share loss inside a falling-volume market is worth monitoring.

Verdict: Korea’s crypto market is not showing rotation into a new liquidity hub. It is showing contraction. Until weekly turnover stabilizes above the KRW 10 trillion line, yield and trading strategies dependent on tight local execution should be treated as less durable.