Tether (USDT) Price on October 21, 2025
On October 21, 2025, Tether (USDT) was trading at $1.0005. Its market cap that day was $181.97B, with $107.08B in 24-hour trading volume. Since then, USDT is down 0.1% — it's trading at $0.9998 today. This is historical market data — not financial advice.
30 days up to 2025-10-21
High $1.0017 (2025-10-11) · Low $1.0000 (2025-10-01) · Daily closing prices.
Price levels
| 30-day high | $1.0017 2025-10-11 |
|---|---|
| 30-day low | $1.0000 2025-10-01 |
| Range | $1.0000 – $1.0017 |
| Where price sits in that range | 30% — Nearer the low |
- Below $1.0000 would be the lowest since 2025-10-01.
- Above $1.0017 would be the highest since 2025-10-11.
Levels are taken from the last 30 daily closes. They describe what has happened, not what will happen.
| Price on 2025-10-21 | $1.0005 |
|---|---|
| Market cap on 2025-10-21 | $181.97B |
| 24h volume on 2025-10-21 | $107.08B |
| Price today | $0.9998 |
| Change since 2025-10-21 | −0.07% |
USDT on nearby dates
Other coins on 2025-10-21
Frequently asked questions
How much was Tether worth on 2025-10-21?
Tether (USDT) was trading at $1.0005 on 2025-10-21.
How much is Tether worth today?
Tether is trading at $0.9998 right now. That is down 0.1% compared with its 2025-10-21 price of $1.0005.
What was Tether's market cap on 2025-10-21?
Tether's market cap on 2025-10-21 was $181.97B, on $107.08B of 24-hour trading volume.
What were the high and low in the 30 days up to 2025-10-21?
The highest daily price in that window was $1.0017 on 2025-10-11, and the lowest was $1.0000 on 2025-10-01.