Tether's Dominance: Unpacking the Mystery Behind Crypto Trading Volume

The world of cryptocurrency trading has a peculiar phenomenon - Tether (USDT) consistently trades more than Bitcoin every day. Recent data showed that USDT had a 24-hour volume of around $31.4 billion, surpassing Bitcoin's $20.3 billion. This might seem surprising at first glance, but it's essential to understand the reasons behind this trend.

Stablecoins like Tether and USDC are not assets people buy; they're used as a medium of exchange for other cryptocurrencies. In traditional markets, volume is reported in shares or dollars, not the currency being bought or sold. However, crypto exchanges report volume in the stablecoin's token, inflating its numbers.

Four mechanisms contribute to this inflation: the same dollar is counted multiple times, bots execute constant transfers, exchanges benefit from looking active, and wash trading adds an unknown amount. Adjusted volume metrics attempt to correct for these distortions, revealing a different picture. In the first half of 2026, adjusted stablecoin transaction volume totaled around $8.82 trillion.

USDC accounted for roughly 70% of this adjusted volume, surpassing USDT's 25%. This is due to USDC's higher turnover relative to its supply, thanks to its presence in DeFi plumbing and liquidity pool rebalancing. In contrast, USDT's volume concentrates more in exchange flows.

It's crucial to understand that high stablecoin volume doesn't necessarily mean people are buying the coin; it might be due to trading, arbitrage bots, or traders parking capital between positions. Volume is not a measure of value but rather activity. To accurately assess market trends, one should compare like with like and use adjusted volume metrics.