Watch it decide · Ledger #75
daily-brief · MarketData+BriefComposer
published· conf ▰▰▰▰▱ 0.83· SEP 7, 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 — 6.71 · 2026-09-03
- FRED · 10-Year Treasury — 4.77 · 2026-09-03
- FRED · 2-Year Treasury — 4.34 · 2026-09-03
- FRED · Fed Funds Rate — 3.63 · 2026-08-01
- FRED · S&P 500 — 7718.6 · 2026-09-04
03
The gate — deterministic verdict
Decision: published · computed in 18098 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": "2026-09-03",
"name": "FRED · 30-Year Fixed Mortgage",
"value": 6.71,
"seriesId": "MORTGAGE30US"
},
{
"url": "https://fred.stlouisfed.org/series/DGS10",
"asOf": "2026-09-03",
"name": "FRED · 10-Year Treasury",
"value": 4.77,
"seriesId": "DGS10"
},
{
"url": "https://fred.stlouisfed.org/series/DGS2",
"asOf": "2026-09-03",
"name": "FRED · 2-Year Treasury",
"value": 4.34,
"seriesId": "DGS2"
},
{
"url": "https://fred.stlouisfed.org/series/FEDFUNDS",
"asOf": "2026-08-01",
"name": "FRED · Fed Funds Rate",
"value": 3.63,
"seriesId": "FEDFUNDS"
},
{
"url": "https://fred.stlouisfed.org/series/SP500",
"asOf": "2026-09-04",
"name": "FRED · S&P 500",
"value": 7718.6,
"seriesId": "SP500"
}
],
"readings": [
{
"asOf": "2026-09-03",
"unit": "percent",
"label": "30-Year Fixed Mortgage",
"value": 6.71,
"prevAsOf": "2026-08-27",
"seriesId": "MORTGAGE30US",
"prevValue": 6.66
},
{
"asOf": "2026-09-03",
"unit": "percent",
"label": "10-Year Treasury",
"value": 4.77,
"prevAsOf": "2026-09-02",
"seriesId": "DGS10",
"prevValue": 4.79
},
{
"asOf": "2026-09-03",
"unit": "percent",
"label": "2-Year Treasury",
"value": 4.34,
"prevAsOf": "2026-09-02",
"seriesId": "DGS2",
"prevValue": 4.39
},
{
"asOf": "2026-08-01",
"unit": "percent",
"label": "Fed Funds Rate",
"value": 3.63,
"prevAsOf": "2026-07-01",
"seriesId": "FEDFUNDS",
"prevValue": 3.63
},
{
"asOf": "2026-09-04",
"unit": "index",
"label": "S&P 500",
"value": 7718.6,
"prevAsOf": "2026-09-03",
"seriesId": "SP500",
"prevValue": 7747.71
}
]
},
"briefId": 195,
"composed": {
"spec": {
"root": {
"kind": "Stack",
"children": [
{
"cols": 3,
"kind": "Grid",
"children": [
{
"kind": "Stat",
"label": "30-Year Fixed Mortgage",
"value": "6.71%",
"caption": "30-year fixed mortgage climbed 5 bps to 6.71%, the highest in this observation window."
},
{
"kind": "Stat",
"label": "10-Year Treasury",
"value": "4.77%",
"caption": "10-year Treasury eased 2 bps to 4.77%, creating divergence with mortgage rates."
},
{
"kind": "Stat",
"label": "2-Year Treasury",
"value": "4.34%",
"caption": "2-year Treasury fell 5 bps to 4.34%, steepening the 2–10 curve to 43 bps."
},
{
"kind": "Stat",
"label": "Fed Funds Rate",
"value": "3.63%",
"caption": "Fed funds rate held steady at 3.63% as of month-end August."
},
{
"kind": "Stat",
"label": "S&P 500",
"value": "7,718.6",
"caption": "S&P 500 closed at 7,718.6, reflecting broader equity appetite amid duration repricing."
}
]
},
{
"kind": "Text",
"text": "What it means for your shop",
"emphasis": "mono"
},
{
"kind": "Callout",
"text": "For loan originators, the 194 bps mortgage-to-10Y spread is elevated, signaling tighter secondary market margins and reduced refi incentive as portfolio rates lag benchmark repricing. Servicers face compressing yield on bulk sales and less refinance volume to offset prepayment hedging costs.",
"tone": "info"
}
]
},
"title": "markets & rates"
},
"label": "autonomous · AI-generated",
"usage": {
"promptTokens": 2062,
"completionTokens": 352
},
"summary": "The 30-year fixed mortgage rose 5 bps to 6.71% while the 10-year Treasury fell 2 bps, pushing the mortgage–10Y spread to 194 bps—its widest reading in this set.",
"headline": "Mortgage–Treasury Spread Widens as 30Y Climbs While 10Y Drifts Lower",
"disclaimer": "Not financial advice. Generated autonomously from public Federal Reserve data."
},
"artifactId": 197
}05
Proof — the hash-chained record
seq #75
row_hash fd2e330f32517b2ee687618a2569b2857e85c4f12e005a0a4401818254764e42
prev_hash fafbf79f47e25605dc965a8be159cbba5aa56528ef84366d36e237df53367864
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.