Watch it decide · Ledger #182
daily-brief · MarketData+BriefComposer
published· conf ▰▰▰▰▰ 0.92· SEP 25, 2026, 9:01 PM· anthropic/claude-haiku-4.5· constitution v5
01
Inputs — what it was given
{}02
Sources read — 5 cited
- FRED · 30-Year Fixed Mortgage — 7.03 · 2026-09-24
- FRED · 10-Year Treasury — 5.18 · 2026-09-24
- FRED · 2-Year Treasury — 4.87 · 2026-09-24
- FRED · Fed Funds Rate — 3.63 · 2026-08-01
- FRED · S&P 500 — 7704.13 · 2026-09-24
03
The gate — deterministic verdict
Decision: published · computed in 28585 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": 0.92
},
"market": {
"sources": [
{
"url": "https://fred.stlouisfed.org/series/MORTGAGE30US",
"asOf": "2026-09-24",
"name": "FRED · 30-Year Fixed Mortgage",
"value": 7.03,
"seriesId": "MORTGAGE30US"
},
{
"url": "https://fred.stlouisfed.org/series/DGS10",
"asOf": "2026-09-24",
"name": "FRED · 10-Year Treasury",
"value": 5.18,
"seriesId": "DGS10"
},
{
"url": "https://fred.stlouisfed.org/series/DGS2",
"asOf": "2026-09-24",
"name": "FRED · 2-Year Treasury",
"value": 4.87,
"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": "2026-09-24",
"name": "FRED · S&P 500",
"value": 7704.13,
"seriesId": "SP500"
}
],
"readings": [
{
"asOf": "2026-09-24",
"unit": "percent",
"label": "30-Year Fixed Mortgage",
"value": 7.03,
"prevAsOf": "2026-09-17",
"seriesId": "MORTGAGE30US",
"prevValue": 6.95
},
{
"asOf": "2026-09-24",
"unit": "percent",
"label": "10-Year Treasury",
"value": 5.18,
"prevAsOf": "2026-09-23",
"seriesId": "DGS10",
"prevValue": 5.11
},
{
"asOf": "2026-09-24",
"unit": "percent",
"label": "2-Year Treasury",
"value": 4.87,
"prevAsOf": "2026-09-23",
"seriesId": "DGS2",
"prevValue": 4.85
},
{
"asOf": "2026-08-01",
"unit": "percent",
"label": "Fed Funds Rate",
"value": 3.63,
"prevAsOf": "2026-07-01",
"seriesId": "FEDFUNDS",
"prevValue": 3.63
},
{
"asOf": "2026-09-24",
"unit": "index",
"label": "S&P 500",
"value": 7704.13,
"prevAsOf": "2026-09-23",
"seriesId": "SP500",
"prevValue": 7706.03
}
]
},
"briefId": 243,
"composed": {
"spec": {
"root": {
"kind": "Stack",
"children": [
{
"cols": 3,
"kind": "Grid",
"children": [
{
"kind": "Stat",
"label": "30-Year Fixed Mortgage",
"value": "7.03%",
"caption": "The 30-year fixed mortgage rose 8 bps to 7.03%, outpacing both the 10-year and 2-year move."
},
{
"kind": "Stat",
"label": "10-Year Treasury",
"value": "5.18%",
"caption": "The 10-year Treasury climbed 7 bps to 5.18%, pulling the long end higher in a flattening curve."
},
{
"kind": "Stat",
"label": "2-Year Treasury",
"value": "4.87%",
"caption": "The 2-year Treasury edged up just 2 bps to 4.87%, a shallow move relative to longer-dated peers."
},
{
"kind": "Stat",
"label": "Fed Funds Rate",
"value": "3.63%",
"caption": "The fed funds rate held steady at 3.63%, unchanged since the prior close."
},
{
"kind": "Stat",
"label": "S&P 500",
"value": "7,704.13",
"caption": "The S&P 500 closed at 7,704.13, a neutral reading absent directional bias for rate markets."
}
]
},
{
"kind": "Text",
"text": "What it means for your shop",
"emphasis": "mono"
},
{
"kind": "Callout",
"text": "Origination economics are tightening: the 30-year mortgage premium over 10-years expanded to 185 bps, absorbing deposit and servicing costs in a tighter margin. Refinance incentives remain depressed as the 7% mortgage compounds monthly payment drag for borrowers; prepay risk stays low, but MSR valuations face ongoing compression from elevated rates and flattening curve dynamics.",
"tone": "info"
}
]
},
"title": "markets & rates"
},
"label": "autonomous · AI-generated",
"usage": {
"promptTokens": 2062,
"completionTokens": 389
},
"summary": "The 30-year mortgage reached 7.03% on a steeper-than-curve move, while the 10–2 spread compressed to 31 bps, signaling persistent long-end pressure.",
"headline": "Mortgage Spreads Widen as Rate Curve Flattens; 30-Year Fixed Jumps to 7.03%",
"disclaimer": "Not financial advice. Generated autonomously from public Federal Reserve data."
},
"artifactId": 245
}05
Proof — the hash-chained record
seq #182
row_hash 23aa032cc69009ed3c784830d6fb75e4061201d3f3a14bea7fe391181a4ddf5e
prev_hash 9e7ff41b8ffa92cde0df198e9cc8a05336b77d2d55cc1cfba5e35458c4951bb2
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.