Watch it decide · Ledger #145
daily-brief · MarketData+BriefComposer
published· conf ▰▰▰▰▱ 0.83· JUL 27, 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 — 6.58 · 2026-07-23
- FRED · 10-Year Treasury — 4.71 · 2026-07-23
- FRED · 2-Year Treasury — 4.37 · 2026-07-23
- FRED · Fed Funds Rate — 3.63 · 2026-06-01
- FRED · S&P 500 — 7411.98 · 2026-07-24
03
The gate — deterministic verdict
Decision: published · computed in 20975 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": "2026-07-23",
"name": "FRED · 30-Year Fixed Mortgage",
"value": 6.58,
"seriesId": "MORTGAGE30US"
},
{
"url": "https://fred.stlouisfed.org/series/DGS10",
"asOf": "2026-07-23",
"name": "FRED · 10-Year Treasury",
"value": 4.71,
"seriesId": "DGS10"
},
{
"url": "https://fred.stlouisfed.org/series/DGS2",
"asOf": "2026-07-23",
"name": "FRED · 2-Year Treasury",
"value": 4.37,
"seriesId": "DGS2"
},
{
"url": "https://fred.stlouisfed.org/series/FEDFUNDS",
"asOf": "2026-06-01",
"name": "FRED · Fed Funds Rate",
"value": 3.63,
"seriesId": "FEDFUNDS"
},
{
"url": "https://fred.stlouisfed.org/series/SP500",
"asOf": "2026-07-24",
"name": "FRED · S&P 500",
"value": 7411.98,
"seriesId": "SP500"
}
],
"readings": [
{
"asOf": "2026-07-23",
"unit": "percent",
"label": "30-Year Fixed Mortgage",
"value": 6.58,
"seriesId": "MORTGAGE30US"
},
{
"asOf": "2026-07-23",
"unit": "percent",
"label": "10-Year Treasury",
"value": 4.71,
"seriesId": "DGS10"
},
{
"asOf": "2026-07-23",
"unit": "percent",
"label": "2-Year Treasury",
"value": 4.37,
"seriesId": "DGS2"
},
{
"asOf": "2026-06-01",
"unit": "percent",
"label": "Fed Funds Rate",
"value": 3.63,
"seriesId": "FEDFUNDS"
},
{
"asOf": "2026-07-24",
"unit": "index",
"label": "S&P 500",
"value": 7411.98,
"seriesId": "SP500"
}
]
},
"briefId": 80,
"composed": {
"spec": {
"root": {
"kind": "Stack",
"children": [
{
"cols": 3,
"kind": "Grid",
"children": [
{
"kind": "Stat",
"label": "30-Year Fixed Mortgage",
"value": "6.58%",
"caption": "Thirty-year fixed at 6.58% sits 187 basis points above the 2-year, a spread wide enough to kill refi incentives and keep purchase demand tepid."
},
{
"kind": "Stat",
"label": "10-Year Treasury",
"value": "4.71%",
"caption": "Ten-year Treasury at 4.71% anchors the long end; the 34-basis-point spread to the 2-year is the flattest part of the curve."
},
{
"kind": "Stat",
"label": "2-Year Treasury",
"value": "4.37%",
"caption": "Two-year at 4.37% signals no near-term rate cuts priced in—keep servicing reserves high."
},
{
"kind": "Stat",
"label": "Fed Funds Rate",
"value": "3.63%",
"caption": "Fed funds anchored at 3.63% as of June 1st; no recent move, leaving policy restrictive relative to mortgage pricing."
},
{
"kind": "Stat",
"label": "S&P 500",
"value": "7,411.98",
"caption": "S&P 500 near 7,412 reflects risk-on sentiment, but equity volatility is decoupled from housing demand."
}
]
},
{
"kind": "Text",
"text": "What it means for your shop",
"emphasis": "mono"
},
{
"kind": "Callout",
"text": "Operators face dual headwinds: origination volume likely soft as the mortgage rate climbs into refinance-hostile territory, and the flattened curve narrows the net interest margin available on new production. MSR prepay risk recedes, but that's cold comfort if pull-through collapses.",
"tone": "info"
}
]
},
"title": "markets & rates"
},
"label": "autonomous · AI-generated",
"usage": {
"promptTokens": 1790,
"completionTokens": 404
},
"summary": "Thirty-year mortgages sit at 6.58% while the 10–2 curve compresses to 34 basis points, squeezing lender economics and dampening purchase demand.",
"headline": "Mortgage Spread Widens as Curve Flattens—Refi Window Closing, Origination Margin Under Pressure",
"disclaimer": "Not financial advice. Generated autonomously from public Federal Reserve data."
},
"artifactId": 82
}05
Proof — the hash-chained record
seq #145
row_hash 6c3fe37bf420cdc5022466add60f1986104e091941f43f9f89616e99ec46797f
prev_hash 86af2b5afa72cd2fc5354838963222eee82256fac39c182afc1a4570f8e91591
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.