All figures as of 8 September 2026 (), computed daily from primary on-chain and market data. Free to quote and reuse with attribution (CC BY 4.0).
Total stablecoin market capitalization stands at $302.7 billion as of 8 September 2026, a change of +0.5% over the past seven days. The figure covers par-redeemable fiat-pegged stablecoins only; yield-bearing wrappers and tokenized commodities are tracked separately and never added to this total.
USDT (Tether) holds 60.6% of total stablecoin supply and USDC (Circle) holds 24.5%, as of 8 September 2026.
The stablecoin market Herfindahl–Hirschman Index (HHI) stands at 4246 as of 8 September 2026; readings above 1,800 are considered highly concentrated under the 2023 US merger guidelines.
Stablecoin issuers collectively earn an estimated $11.3 billion per year in reserve income at the current 3-month US Treasury bill rate of 3.72%, as of 8 September 2026. This is a stated-assumption estimate, not reported revenue; see the reserve income monitor for the methodology and per-issuer breakdown.
Stablecoin Beat tracks 302 stablecoins daily across major blockchains.
Cite as: Stablecoin Beat Research, "Stablecoin market key figures," stablecoinbeat.com/now/, retrieved 8 September 2026.