Watch it decide · Ledger #229
daily-brief · MarketData+BriefComposer
published· conf ▰▰▰▰▱ 0.83· AUG 10, 2026, 4:00 PM· anthropic/claude-haiku-4.5· constitution v5
01
Inputs — what it was given
{}02
Sources read — 5 cited
- FRED · 30-Year Fixed Mortgage — 6.69 · 2026-08-06
- FRED · 10-Year Treasury — 4.69 · 2026-08-06
- FRED · 2-Year Treasury — 4.25 · 2026-08-06
- FRED · Fed Funds Rate — 3.63 · 2026-07-01
- FRED · S&P 500 — 7757.64 · 2026-08-07
03
The gate — deterministic verdict
Decision: published · computed in 23023 ms
5/5 series, all sourced and fresh.
04
Outputs — what it produced
{
"gate": {
"pass": true,
"reason": "5/5 series, all sourced and fresh.",
"confidence": 0.83
},
"market": {
"sources": [
{
"url": "https://fred.stlouisfed.org/series/MORTGAGE30US",
"asOf": "2026-08-06",
"name": "FRED · 30-Year Fixed Mortgage",
"value": 6.69,
"seriesId": "MORTGAGE30US"
},
{
"url": "https://fred.stlouisfed.org/series/DGS10",
"asOf": "2026-08-06",
"name": "FRED · 10-Year Treasury",
"value": 4.69,
"seriesId": "DGS10"
},
{
"url": "https://fred.stlouisfed.org/series/DGS2",
"asOf": "2026-08-06",
"name": "FRED · 2-Year Treasury",
"value": 4.25,
"seriesId": "DGS2"
},
{
"url": "https://fred.stlouisfed.org/series/FEDFUNDS",
"asOf": "2026-07-01",
"name": "FRED · Fed Funds Rate",
"value": 3.63,
"seriesId": "FEDFUNDS"
},
{
"url": "https://fred.stlouisfed.org/series/SP500",
"asOf": "2026-08-07",
"name": "FRED · S&P 500",
"value": 7757.64,
"seriesId": "SP500"
}
],
"readings": [
{
"asOf": "2026-08-06",
"unit": "percent",
"label": "30-Year Fixed Mortgage",
"value": 6.69,
"prevAsOf": "2026-07-30",
"seriesId": "MORTGAGE30US",
"prevValue": 6.66
},
{
"asOf": "2026-08-06",
"unit": "percent",
"label": "10-Year Treasury",
"value": 4.69,
"prevAsOf": "2026-08-05",
"seriesId": "DGS10",
"prevValue": 4.63
},
{
"asOf": "2026-08-06",
"unit": "percent",
"label": "2-Year Treasury",
"value": 4.25,
"prevAsOf": "2026-08-05",
"seriesId": "DGS2",
"prevValue": 4.18
},
{
"asOf": "2026-07-01",
"unit": "percent",
"label": "Fed Funds Rate",
"value": 3.63,
"prevAsOf": "2026-06-01",
"seriesId": "FEDFUNDS",
"prevValue": 3.63
},
{
"asOf": "2026-08-07",
"unit": "index",
"label": "S&P 500",
"value": 7757.64,
"prevAsOf": "2026-08-06",
"seriesId": "SP500",
"prevValue": 7709.96
}
]
},
"briefId": 116,
"composed": {
"spec": {
"root": {
"kind": "Stack",
"children": [
{
"cols": 3,
"kind": "Grid",
"children": [
{
"kind": "Stat",
"label": "30-Year Fixed Mortgage",
"value": "6.69%",
"caption": "30-year fixed mortgage rose 3 bps to 6.69%, holding 200 bps over the 10-year Treasury."
},
{
"kind": "Stat",
"label": "10-Year Treasury",
"value": "4.69%",
"caption": "10-year Treasury climbed 6 bps to 4.69%, outpacing the 2-year's 7 bps rise and tightening the curve."
},
{
"kind": "Stat",
"label": "2-Year Treasury",
"value": "4.25%",
"caption": "2-year Treasury moved up 7 bps to 4.25%, the sharpest one-day move among the benchmarks."
},
{
"kind": "Stat",
"label": "Fed Funds Rate",
"value": "3.63%",
"caption": "Fed Funds Rate remained anchored at 3.63%, unchanged from July 1."
},
{
"kind": "Stat",
"label": "S&P 500",
"value": "7,757.64",
"caption": "S&P 500 closed at 7,757.64, extending the equity backdrop for risk appetite."
}
]
},
{
"kind": "Text",
"text": "What it means for your shop",
"emphasis": "mono"
},
{
"kind": "Callout",
"text": "The persistent 200 bps mortgage-to-Treasury cushion and near-flat curve argue for stable origination spreads and modest refi incentive through near-term rate environment; watch whether the 10–2 stays compressed if the Fed holds rates steady.",
"tone": "info"
}
]
},
"title": "markets & rates"
},
"label": "autonomous · AI-generated",
"usage": {
"promptTokens": 1990,
"completionTokens": 333
},
"summary": "The 10–2 curve flattened to 44 bps while the 30-year fixed mortgage stayed 200 bps wide of the 10-year Treasury.",
"headline": "Mortgage spreads hold firm as short rates tick up faster than long",
"disclaimer": "Not financial advice. Generated autonomously from public Federal Reserve data."
},
"artifactId": 118
}05
Proof — the hash-chained record
seq #229
row_hash 8d9d195fd5ec53d2806d847a4a1388a818185825d4b0ba5e067c7eb61c2e82f2
prev_hash a16740fadc86e5dc64b7774e8a15e91b64b80f1dfc2ba86b7545d9e7328eb44f
This exact row, with its canonical preimage, is public at /api/ledger/export. Recompute its hash with the standalone verifier — it shares no code with this site. The chain head is timestamped into Bitcoin.
Evidence or it doesn't ship.