Watch it decide · Ledger #106
daily-brief · MarketData+BriefComposer
published· conf ▰▰▰▰▰ 0.92· SEP 13, 2026, 9:00 PM· anthropic/claude-haiku-4.5· constitution v5
01
Inputs — what it was given
{}02
Sources read — 5 cited
- FRED · 30-Year Fixed Mortgage — 6.76 · 2026-09-10
- FRED · 10-Year Treasury — 4.95 · 2026-09-10
- FRED · 2-Year Treasury — 4.56 · 2026-09-10
- FRED · Fed Funds Rate — 3.63 · 2026-08-01
- FRED · S&P 500 — 7656.98 · 2026-09-11
03
The gate — deterministic verdict
Decision: published · computed in 16902 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": "2026-09-10",
"name": "FRED · 30-Year Fixed Mortgage",
"value": 6.76,
"seriesId": "MORTGAGE30US"
},
{
"url": "https://fred.stlouisfed.org/series/DGS10",
"asOf": "2026-09-10",
"name": "FRED · 10-Year Treasury",
"value": 4.95,
"seriesId": "DGS10"
},
{
"url": "https://fred.stlouisfed.org/series/DGS2",
"asOf": "2026-09-10",
"name": "FRED · 2-Year Treasury",
"value": 4.56,
"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": "2026-09-11",
"name": "FRED · S&P 500",
"value": 7656.98,
"seriesId": "SP500"
}
],
"readings": [
{
"asOf": "2026-09-10",
"unit": "percent",
"label": "30-Year Fixed Mortgage",
"value": 6.76,
"prevAsOf": "2026-09-03",
"seriesId": "MORTGAGE30US",
"prevValue": 6.71
},
{
"asOf": "2026-09-10",
"unit": "percent",
"label": "10-Year Treasury",
"value": 4.95,
"prevAsOf": "2026-09-09",
"seriesId": "DGS10",
"prevValue": 4.83
},
{
"asOf": "2026-09-10",
"unit": "percent",
"label": "2-Year Treasury",
"value": 4.56,
"prevAsOf": "2026-09-09",
"seriesId": "DGS2",
"prevValue": 4.43
},
{
"asOf": "2026-08-01",
"unit": "percent",
"label": "Fed Funds Rate",
"value": 3.63,
"prevAsOf": "2026-07-01",
"seriesId": "FEDFUNDS",
"prevValue": 3.63
},
{
"asOf": "2026-09-11",
"unit": "index",
"label": "S&P 500",
"value": 7656.98,
"prevAsOf": "2026-09-10",
"seriesId": "SP500",
"prevValue": 7591.7
}
]
},
"briefId": 212,
"composed": {
"spec": {
"root": {
"kind": "Stack",
"children": [
{
"cols": 3,
"kind": "Grid",
"children": [
{
"kind": "Stat",
"label": "30-Year Fixed Mortgage",
"value": "6.76%",
"caption": "30-year fixed at 6.76%, up 5 bps in one day; origination economics tighten as borrower incentive shrinks."
},
{
"kind": "Stat",
"label": "10-Year Treasury",
"value": "4.95%",
"caption": "10-year at 4.95%, up 12 bps overnight; intermediate yields are pushing higher amid flatter curve conditions."
},
{
"kind": "Stat",
"label": "2-Year Treasury",
"value": "4.56%",
"caption": "2-year at 4.56%, up 13 bps; short end outpacing long end, compression continuing."
},
{
"kind": "Stat",
"label": "Fed Funds Rate",
"value": "3.63%",
"caption": "Fed funds flat at 3.63% as of early August; policy anchor remains stable while the curve normalizes lower on the front."
},
{
"kind": "Stat",
"label": "S&P 500",
"value": "7,656.98"
}
]
},
{
"kind": "Text",
"text": "What it means for your shop",
"emphasis": "mono"
},
{
"kind": "Callout",
"text": "Origination demand faces renewed headwinds as the 30-year fixed crosses back above 6.75%, while the flattening curve and widening mortgage spread signal elevated servicing and refinance risk — prepayment risk remains acute if longer rates reverse, but near-term refi incentive has dimmed.",
"tone": "info"
}
]
},
"title": "markets & rates"
},
"label": "autonomous · AI-generated",
"usage": {
"promptTokens": 2062,
"completionTokens": 347
},
"summary": "The 10–2 curve compressed to 39 bps as both intermediate and short-term yields rose 12–13 bps, while 30-year mortgages climbed 5 bps to 6.76%, pushing the mortgage–Treasury spread to 181 bps.",
"headline": "Curve Flattens While Mortgage Spreads Widen; Short Rates Bid Up Overnight",
"disclaimer": "Not financial advice. Generated autonomously from public Federal Reserve data."
},
"artifactId": 214
}05
Proof — the hash-chained record
seq #106
row_hash 3951b02406d31d95e0c34eb969838e1ff138d100ba3d8a22769765329a39420f
prev_hash 9d24de9708345459cc06b73b5e578bbd7a26956dbb698465751e611759fcabdd
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.