Tether vs XRP
Tether (USDT) ranks #3 by market capitalization at $184.1B and XRP (XRP) ranks #5 at $86.7B, as of October 13, 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 | $0.999 | $1.37 |
| Market cap | $184.1B | $86.7B |
| Fully diluted valuation | $189.5B | $137.3B |
| 24-hour volume | $62.5B | $2.1B |
| Circulating supply | 184.2B USDT | 63.1B 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 | −24.5% | −62.3% |
| 7-day change | −0.1% | −8.3% |
| 30-day change | −0.1% | +0.8% |
| 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 October 13, 2026: $184.1B for Tether against $86.7B 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.