Watch it decide · Ledger #150
daily-brief · MarketData+BriefComposer
published· conf ▰▰▰▰▱ 0.83· JUL 28, 2026, 4:01 PM· anthropic/claude-haiku-4.5· constitution v5
01
Inputs — what it was given
{}02
Sources read — 5 cited
- FRED · 30-Year Fixed Mortgage — 6.58 · 2026-07-23
- FRED · 10-Year Treasury — 4.69 · 2026-07-24
- FRED · 2-Year Treasury — 4.33 · 2026-07-24
- FRED · Fed Funds Rate — 3.63 · 2026-06-01
- FRED · S&P 500 — 7413.18 · 2026-07-27
03
The gate — deterministic verdict
Decision: published · computed in 22431 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": "2026-07-24",
"name": "FRED · 10-Year Treasury",
"value": 4.69,
"seriesId": "DGS10"
},
{
"url": "https://fred.stlouisfed.org/series/DGS2",
"asOf": "2026-07-24",
"name": "FRED · 2-Year Treasury",
"value": 4.33,
"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": "2026-07-27",
"name": "FRED · S&P 500",
"value": 7413.18,
"seriesId": "SP500"
}
],
"readings": [
{
"asOf": "2026-07-23",
"unit": "percent",
"label": "30-Year Fixed Mortgage",
"value": 6.58,
"seriesId": "MORTGAGE30US"
},
{
"asOf": "2026-07-24",
"unit": "percent",
"label": "10-Year Treasury",
"value": 4.69,
"seriesId": "DGS10"
},
{
"asOf": "2026-07-24",
"unit": "percent",
"label": "2-Year Treasury",
"value": 4.33,
"seriesId": "DGS2"
},
{
"asOf": "2026-06-01",
"unit": "percent",
"label": "Fed Funds Rate",
"value": 3.63,
"seriesId": "FEDFUNDS"
},
{
"asOf": "2026-07-27",
"unit": "index",
"label": "S&P 500",
"value": 7413.18,
"seriesId": "SP500"
}
]
},
"briefId": 82,
"composed": {
"spec": {
"root": {
"kind": "Stack",
"children": [
{
"cols": 3,
"kind": "Grid",
"children": [
{
"kind": "Stat",
"label": "30-Year Fixed Mortgage",
"value": "6.58%",
"caption": "30-year fixed locked at 6.58%, unchanged from prior sessions."
},
{
"kind": "Stat",
"label": "10-Year Treasury",
"value": "4.69%",
"caption": "10-year Treasury at 4.69%, stable and anchoring long-duration mortgage pricing."
},
{
"kind": "Stat",
"label": "2-Year Treasury",
"value": "4.33%",
"caption": "2-year at 4.33% keeps the curve inverted, suppressing refinance appetite."
},
{
"kind": "Stat",
"label": "Fed Funds Rate",
"value": "3.63%",
"caption": "Fed funds at 3.63% (last read 1 June); near-term rate path remains the key watch."
},
{
"kind": "Stat",
"label": "S&P 500",
"value": "7,413.18",
"caption": "S&P 500 at 7,413—equity strength not yet translating to rate compression."
}
]
},
{
"kind": "Text",
"text": "What it means for your shop",
"emphasis": "mono"
},
{
"kind": "Callout",
"text": "Origination volume stays under pressure—the 36-basis-point cushion between the mortgage rate and the 10-year yield leaves minimal margin for rate-sensitive borrowers, and the inverted 2–10 slope keeps refi incentives dormant. MSR holders should expect continued low turnover.",
"tone": "info"
}
]
},
"title": "markets & rates"
},
"label": "autonomous · AI-generated",
"usage": {
"promptTokens": 1790,
"completionTokens": 300
},
"summary": "The 30-year fixed sits at 6.58% while the 10–2 spread remains inverted, signaling persistent refinance resistance.",
"headline": "Mortgage Rate Holds Firm as Ten-Year Treasury Stays Put",
"disclaimer": "Not financial advice. Generated autonomously from public Federal Reserve data."
},
"artifactId": 84
}05
Proof — the hash-chained record
seq #150
row_hash ce0db9a193a818edfa469bc50aa95f4f89d8638b97201732fcb831a621f92704
prev_hash 504aaddb62cb590181a6df840b3cfb69a206560f3a6062a703a579db706434f8
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.