Why this number now

On 11 November 2026, Glassnode reported that the supply of major stablecoins fell $14.2 billion over 30 days, the largest 30-day contraction since June 2022 (The Block, Cointelegraph, Crypto Briefing). Stablecoin supply only shrinks when holders redeem tokens with the issuer, so analysts read it as cash leaving the crypto market.

Outlets quoted different totals for the remaining supply: "just below $280 billion" in one, "$290 to $293 billion" in another. I wanted to see the raw series myself, and DefiLlama publishes it for free with no API key.

The script

It uses built-in fetch (Node 18+) and two public endpoints:

https://stablecoins.llama.fi/stablecoincharts/all returns one point per day with totalCirculatingUSD.peggedUSD .

https://stablecoins.llama.fi/stablecoins returns every stablecoin with circulating and circulatingPrevMonth .

// supply-change.mjs // Usage: node supply-change.mjs [days] const DAYS = Number ( process . argv [ 2 ] || 30 ) ; const usd = ( n ) => `${n < 0 ?…