How Much Does One USDT Cost: First Look at Peg, Then at Quote
USDT (Tether) is a stablecoin pegged to the US dollar, aiming to keep 1 USDT close to 1 USD. The actual quote usually fluctuates slightly around 1 USD, rather than pursuing significant gains or losses like assets such as Bitcoin.
To know the current price, you need to refer to the quote provided by a market platform at the time of inquiry. This article only reviews public market data from August 18, 2026, and does not treat historical snapshots as real-time prices.
Market Snapshot on August 18, 2026
According to data published by market platforms such as CoinMarketCap on August 18, 2026:
- Opening Price: Approximately $0.9992
- Highest Price: Approximately $0.9998
- Lowest Price: Approximately $0.9988
- Closing Price: Approximately $0.9992
- 24-Hour Trading Volume: Approximately $40.67 billion
- Circulating Supply: Approximately 182.9 billion USDT

On this day, USDT's intraday fluctuation range was only about $0.001, which is consistent with the characteristic of a stablecoin operating around $1.
Comparison of Prices on August 18 in Previous Years
Extending the timeline, USDT remained near $1 on August 18 in multiple years:
- August 18, 2025: Approximately $1.0005, circulating supply approximately 166.7 billion, 24-hour trading volume approximately $135.6 billion.
- August 18, 2024: Approximately $1.0006, circulating supply approximately 117.0 billion, 24-hour trading volume approximately $35.0 billion.
- August 18, 2023: Approximately $0.9998, circulating supply approximately 82.8 billion, 24-hour trading volume approximately $34.3 billion.
These are historical data and do not directly represent current prices. The comparison shows that USDT's price has long revolved around $1, with changes mainly reflected in supply and trading volume.
Why USDT Price Usually Does Not Rise Significantly
The design goal of stablecoins is not capital appreciation, but to provide a relatively stable unit of account. USDT maintains its near-$1 peg through its dollar anchor, reserve asset arrangements, and issuance and redemption mechanisms. When the price deviates from $1, market arbitrage and the issuer's mechanisms will push it back.
Therefore, USDT is more often used as a trading denomination, asset hedge, settlement, and cross-border payment tool, rather than an asset aimed at price appreciation.
How to Interpret Multi-Chain Circulation and Supply Data
USDT does not exist on only one chain. It can circulate on networks such as Ethereum, Tron, Solana, Avalanche, and Algorand. Transfer fees, confirmation speeds, and wallet support differ across chains, but the token name remains the same.
The growth in stablecoin supply is often observed as a signal of capital flow in the crypto market. However, an increase in issuance does not necessarily mean that funds immediately enter Bitcoin or other risk assets; they may also remain in exchange accounts, on-chain settlements, or arbitrage activities.

Reserve Transparency and Regulatory Disputes
Tether Limited, the issuer of USDT, has published records of its reserve assets and claims that USDT is backed by reserves. There have long been market questions surrounding its reserve composition, audit disclosures, and the quality of its dollar peg.
Regarding regulation, Tether has been penalized for inaccurate statements related to its dollar reserves. Public reports indicate that in 2021, it reached a settlement with US regulators involving approximately $41.6 million. Such events remind readers that a stablecoin's $1 target depends on issuer governance, reserve management, and external oversight.
What to Note When Checking USDT Price
- Distinguish quotation time: Market platform prices change over time; historical data should not be treated as current quotes.
- Distinguish on-chain networks: The same USDT may exist on different blockchains; confirm the network before transferring.
- Distinguish supply metrics: Circulating supply, total supply, and market capitalization may be统计 differently across platforms.
- Distinguish function and return: Stablecoins are primarily used for settlement and hedging and should not be understood as investment products seeking price appreciation.



