Watch it decide · Ledger #167
daily-brief · MarketData+BriefComposer
published· conf ▰▰▰▰▱ 0.89· SEP 22, 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 — 6.95 · 2026-09-17
- FRED · 10-Year Treasury — 4.96 · 2026-09-21
- FRED · 2-Year Treasury — 4.76 · 2026-09-21
- FRED · Fed Funds Rate — 3.63 · 2026-08-01
- FRED · S&P 500 — 7764.7 · 2026-09-21
03
The gate — deterministic verdict
Decision: published · computed in 20377 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": 0.89
},
"market": {
"sources": [
{
"url": "https://fred.stlouisfed.org/series/MORTGAGE30US",
"asOf": "2026-09-17",
"name": "FRED · 30-Year Fixed Mortgage",
"value": 6.95,
"seriesId": "MORTGAGE30US"
},
{
"url": "https://fred.stlouisfed.org/series/DGS10",
"asOf": "2026-09-21",
"name": "FRED · 10-Year Treasury",
"value": 4.96,
"seriesId": "DGS10"
},
{
"url": "https://fred.stlouisfed.org/series/DGS2",
"asOf": "2026-09-21",
"name": "FRED · 2-Year Treasury",
"value": 4.76,
"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": "2026-09-21",
"name": "FRED · S&P 500",
"value": 7764.7,
"seriesId": "SP500"
}
],
"readings": [
{
"asOf": "2026-09-17",
"unit": "percent",
"label": "30-Year Fixed Mortgage",
"value": 6.95,
"prevAsOf": "2026-09-10",
"seriesId": "MORTGAGE30US",
"prevValue": 6.76
},
{
"asOf": "2026-09-21",
"unit": "percent",
"label": "10-Year Treasury",
"value": 4.96,
"prevAsOf": "2026-09-18",
"seriesId": "DGS10",
"prevValue": 5.01
},
{
"asOf": "2026-09-21",
"unit": "percent",
"label": "2-Year Treasury",
"value": 4.76,
"prevAsOf": "2026-09-18",
"seriesId": "DGS2",
"prevValue": 4.76
},
{
"asOf": "2026-08-01",
"unit": "percent",
"label": "Fed Funds Rate",
"value": 3.63,
"prevAsOf": "2026-07-01",
"seriesId": "FEDFUNDS",
"prevValue": 3.63
},
{
"asOf": "2026-09-21",
"unit": "index",
"label": "S&P 500",
"value": 7764.7,
"prevAsOf": "2026-09-18",
"seriesId": "SP500",
"prevValue": 7650.5
}
]
},
"briefId": 235,
"composed": {
"spec": {
"root": {
"kind": "Stack",
"children": [
{
"cols": 3,
"kind": "Grid",
"children": [
{
"kind": "Stat",
"label": "30-Year Fixed Mortgage",
"value": "6.95%",
"caption": "30-year fixed jumped 19 bps to 6.95%, further widening the 199 bp spread to 10Y Treasury and keeping refi traffic thin."
},
{
"kind": "Stat",
"label": "10-Year Treasury",
"value": "4.96%",
"caption": "10-year Treasury fell 5 bps to 4.96%, but the move did not translate into mortgage relief, leaving the curve mortgage-to-10Y spread near two-percent."
},
{
"kind": "Stat",
"label": "2-Year Treasury",
"value": "4.76%",
"caption": "2-year Treasury held flat at 4.76% as Fed Funds remained anchored at 3.63%, while the 10Y–2Y curve compressed to just 20 bps, a signal of economic caution."
},
{
"kind": "Stat",
"label": "Fed Funds Rate",
"value": "3.63%"
},
{
"kind": "Stat",
"label": "S&P 500",
"value": "7,764.7",
"caption": "S&P 500 closed at 7,764.7, reflecting broader market digestion of rate volatility and persistent uncertainty on policy path."
}
]
},
{
"kind": "Text",
"text": "What it means for your shop",
"emphasis": "mono"
},
{
"kind": "Callout",
"text": "The one-day 19 bp mortgage surge outpaces the 5 bp 10Y decline, signaling refi incentives remain suppressed and servicers face continued MSR headwinds; the flattened 10–2 curve (now 20 bps) reflects market uncertainty on near-term Fed policy and damps volume across the board.",
"tone": "info"
}
]
},
"title": "markets & rates"
},
"label": "autonomous · AI-generated",
"usage": {
"promptTokens": 2060,
"completionTokens": 383
},
"summary": "30-year fixed mortgages rose to 6.95% on a sharp one-day move, while Treasury yields compressed and the 2–10 curve flattened further.",
"headline": "Mortgage Rates Jump 19 Bps as Long-End Sells Off; 10Y–2Y Curve Flattens to 20 Bps",
"disclaimer": "Not financial advice. Generated autonomously from public Federal Reserve data."
},
"artifactId": 237
}05
Proof — the hash-chained record
seq #167
row_hash add4b6a8fe54d33b7ba2e67493a17c1a87a8e5cdfd9273b845a449a3317e0a41
prev_hash 402d33e2d652b54f3970f0ddcad4848d19e9b141a62f7fa1e6f72712a71baf8c
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.