Tether vs XRP
Tether (USDT) ranks #3 by market capitalization at $183.4B and XRP (XRP) ranks #5 at $87.9B, as of September 5, 2026. Tether has no fixed supply cap; XRP has a fixed maximum supply of 100.0B XRP. Tether is available on 21 exchanges we have verified and XRP on 31; 20 list both.
Verified How we verify
Side-by-Side
 Tether |  XRP | |
|---|---|---|
| Market cap rank | #3 | #5 |
| Price | $1.00 | $1.40 |
| Market cap | $183.4B | $87.9B |
| Fully diluted valuation | $188.9B | $140.1B |
| 24-hour volume | $61.8B | $2.7B |
| Circulating supply | 183.4B USDT | 62.7B XRP |
| Maximum supply | No fixed cap | 100.0B XRP |
| All-time high | $1.32 (July 23, 2018) | $3.65 (July 17, 2025) |
| Change from all-time high | −24.4% | −61.6% |
| 7-day change | 0.0% | +1.0% |
| 30-day change | +0.1% | +33.7% |
| Category | stablecoin | layer-1 |
| Chains | 11 chains including Ethereum, Klay Token, and Tezos | the Ripple network |
| Launched | — | — |
Where You Can Buy Each
| Tether | XRP | |
|---|---|---|
| Exchanges listing it | 21 | 31 |
| Countries and US states with a ranked buy page | 70 | 70 |
20 exchanges list both; 70 locations have a ranked buy page for both.
Frequently Asked Questions
- Which has the larger market cap, Tether or XRP?
- Tether, by about 2.1× as of September 5, 2026: $183.4B for Tether against $87.9B for XRP.
- Does Tether or XRP have a fixed supply?
- XRP is capped at 100.0B XRP; Tether has no fixed maximum supply.
- Where can I buy both Tether and XRP?
- 20 exchanges we have verified list both. Pick your location on the buy pages to see which serve you and what a $500 purchase costs.