According to the source, an X post on Oct 14, 2025 claims total stablecoin supply has crossed $300 billion for the first time, indicating a potential new peak in dollar liquidity parked on-chain and on exchanges. source: X post dated Oct 14, 2025. For trading, stablecoin supply is a key liquidity gauge; Glassnode’s Stablecoin Supply Ratio (SSR) framework shows that a larger stablecoin base relative to BTC market cap increases BTC purchasing power when SSR declines. source: Glassnode research on Stablecoin Supply Ratio (SSR). Traders should verify the aggregate capitalization across USDT, USDC, FDUSD, and DAI using DefiLlama’s Stablecoins dashboard and Coin Metrics data before positioning. source: DefiLlama Stablecoins dashboard; Coin Metrics network data. If confirmed, watch for rising net stablecoin inflows to exchanges and an uptick in stablecoin dominance as signals of rotation into BTC and ETH, historically associated with stronger spot demand and tighter spreads. source: CryptoQuant exchange flow metrics; Kaiko market microstructure reports. Also monitor funding, basis, and stablecoin borrow rates on Aave and Compound to gauge leverage appetite, as cheaper stablecoin funding often precedes risk-on positioning. source: Aave and Compound protocol analytics.