Tether (USDT) total market capitalization in USD (CoinGecko, served from 2026-10-01)
Why: The total value of Tether (USDT) tokens in circulation. Tether is designed to trade at one US dollar, so this follows the number of tokens issued.
Category: bitcoin. Bitcoin on-chain metrics track network activity, mining operations, and market structure.
Source: CoinGecko. Updated: Every 30 minutes.
API: GET /api/metrics/usdt-market-cap
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