Home › Metrics › IBIT (Spot Bitcoin ETF)
iShares Bitcoin Trust - largest spot BTC ETF, intraday quote source for btc.etf-flows briefing (updates every 15 min during market hours)
API: GET /api/metrics/etf-ibit
GET /api/metrics/etf-ibit
View all metrics | Browse briefings
PreReason - Market Context API
Financial context your AI actually understands. PreReason delivers pre-reasoned financial intelligence for AI agents and developers. Bitcoin on-chain metrics, macro indicators, cross-asset correlations, trend direction, and confidence scores in one structured API response.
npx @prereason/mcp
Free (6): btc.quick-check, btc.context, btc.pulse, btc.grid-stress, macro.snapshot, cross.correlations
Basic (6, $19.99/mo): btc.momentum, macro.liquidity, btc.on-chain, cross.breadth, btc.miner-survival, btc.etf-flows
Pro (6, $49.99/mo): btc.full, btc.factors, cross.regime, fx.liquidity, btc.energy, btc.treasury
API: curl -H "X-API-Key: YOUR_KEY" https://api.prereason.com/api/btc
curl -H "X-API-Key: YOUR_KEY" https://api.prereason.com/api/btc
MCP: npx -y @prereason/mcp
npx -y @prereason/mcp
Remote MCP: https://api.prereason.com/api/mcp
https://api.prereason.com/api/mcp
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