USDG traded 36 times its pooled DEX liquidity in September

A dynamic fee on a stablecoin pool is a pricing decision measured in basis points, and a router sends flow to the cheapest path it can find. The StablePair Hook has been live since September 10 ^[4], which left it 21 of the month's 30 days to work. Treat the whole month's volume as post-launch and the USDG pairs cleared about $1.04bn a day ^[3]. Cryptobriefing traces the volume directly to the hook ^[4].

Set that against the depth it cleared through. USDG holds a bit more than $600m of total value locked across decentralised exchange pools ^[5], so $21.8bn is roughly 36 turns of that liquidity in a month, about 1.7 turns a day over the 21 days ^[2][4]. The pooled liquidity is 19% of the $3.2bn outstanding ^[5]. The publication reports the token absorbed the activity without significant deviation from its dollar peg ^[5].

Trading fees on a Uniswap pool go to the liquidity providers who posted the depth. Paxos earns on reserves: USDG is backed one-for-one by liquid US dollar assets and regulated by Singapore's Monetary Authority ^[6], and the Global Dollar Network shares the economics generated by those reserve assets with its partners, more than 150 of them by mid-2026, including Robinhood and Kraken ^[7]. The income base is $3.2bn. The volume base is $21.8bn, 6.8 times larger ^[1].

For the fee schedule to win share rather than flow, minting has to follow: venues quote USDG more cheaply because the pool is deep, hold more of it, and supply rises. The report gives the supply as roughly $3.2bn and does not state a change during September ^[12]. The competing reading is that a v4 hook is a modular smart contract add-on ^[10], so the same dynamic fees can be bolted onto a USDC or USDT pool by anyone who wants them, and September's flow is rented at a price a larger issuer can match. A third possibility is duller and likelier than either: a new pool with a cheap fee tier attracts arbitrage and routing volume that scales with how many other pairs quote against it, and stops growing when the pricing stops being the best on the venue.

One more figure. If Uniswap was 98% of USDG's decentralised exchange activity ^[1], total DEX volume was about $22.2bn and roughly $440m of it cleared anywhere else ^[6]. USDG is issued on Ethereum, Solana, Robinhood Chain, X Layer and Mantle ^[8].

In my view the September numbers are evidence about where stable-to-stable swaps route, and the test of the market-share claim is the supply line, not the volume line. A month in which USDG's float moves well past $3.2bn while the hook stays exclusive would support it. A month in which the float sits still while volume stays near $1bn a day would not.