Watch it decide · Ledger #250
daily-brief · MarketData+BriefComposer
published· conf ▰▰▰▰▰ 0.92· AUG 14, 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 — 6.67 · 2026-08-13
- FRED · 10-Year Treasury — 4.63 · 2026-08-13
- FRED · 2-Year Treasury — 4.15 · 2026-08-13
- FRED · Fed Funds Rate — 3.63 · 2026-07-01
- FRED · S&P 500 — 7798.99 · 2026-08-13
03
The gate — deterministic verdict
Decision: published · computed in 20250 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": "2026-08-13",
"name": "FRED · 30-Year Fixed Mortgage",
"value": 6.67,
"seriesId": "MORTGAGE30US"
},
{
"url": "https://fred.stlouisfed.org/series/DGS10",
"asOf": "2026-08-13",
"name": "FRED · 10-Year Treasury",
"value": 4.63,
"seriesId": "DGS10"
},
{
"url": "https://fred.stlouisfed.org/series/DGS2",
"asOf": "2026-08-13",
"name": "FRED · 2-Year Treasury",
"value": 4.15,
"seriesId": "DGS2"
},
{
"url": "https://fred.stlouisfed.org/series/FEDFUNDS",
"asOf": "2026-07-01",
"name": "FRED · Fed Funds Rate",
"value": 3.63,
"seriesId": "FEDFUNDS"
},
{
"url": "https://fred.stlouisfed.org/series/SP500",
"asOf": "2026-08-13",
"name": "FRED · S&P 500",
"value": 7798.99,
"seriesId": "SP500"
}
],
"readings": [
{
"asOf": "2026-08-13",
"unit": "percent",
"label": "30-Year Fixed Mortgage",
"value": 6.67,
"prevAsOf": "2026-08-06",
"seriesId": "MORTGAGE30US",
"prevValue": 6.69
},
{
"asOf": "2026-08-13",
"unit": "percent",
"label": "10-Year Treasury",
"value": 4.63,
"prevAsOf": "2026-08-12",
"seriesId": "DGS10",
"prevValue": 4.68
},
{
"asOf": "2026-08-13",
"unit": "percent",
"label": "2-Year Treasury",
"value": 4.15,
"prevAsOf": "2026-08-12",
"seriesId": "DGS2",
"prevValue": 4.2
},
{
"asOf": "2026-07-01",
"unit": "percent",
"label": "Fed Funds Rate",
"value": 3.63,
"prevAsOf": "2026-06-01",
"seriesId": "FEDFUNDS",
"prevValue": 3.63
},
{
"asOf": "2026-08-13",
"unit": "index",
"label": "S&P 500",
"value": 7798.99,
"prevAsOf": "2026-08-12",
"seriesId": "SP500",
"prevValue": 7748.5
}
]
},
"briefId": 126,
"composed": {
"spec": {
"root": {
"kind": "Stack",
"children": [
{
"cols": 3,
"kind": "Grid",
"children": [
{
"kind": "Stat",
"label": "30-Year Fixed Mortgage",
"value": "6.67%",
"caption": "30-year fixed mortgage at 6.67%, down 2 bps on the day."
},
{
"kind": "Stat",
"label": "10-Year Treasury",
"value": "4.63%",
"caption": "10-year Treasury at 4.63%, down 5 bps; the reference anchor for conforming secondary."
},
{
"kind": "Stat",
"label": "2-Year Treasury",
"value": "4.15%",
"caption": "2-year at 4.15%, down 5 bps; curve flattens to 48 bps."
},
{
"kind": "Stat",
"label": "Fed Funds Rate",
"value": "3.63%",
"caption": "Fed funds holding at 3.63%, no change; terminal rate remains the inflection point."
},
{
"kind": "Stat",
"label": "S&P 500",
"value": "7,798.99",
"caption": "S&P 500 at 7,798.99; equity stability supports risk appetite for mortgage-backed paper."
}
]
},
{
"kind": "Text",
"text": "What it means for your shop",
"emphasis": "mono"
},
{
"kind": "Callout",
"text": "The stable mortgage–10Y spread (204 bps) signals steady secondary market pricing despite modest rate compression; originators see no immediate margin relief, but the flattening 10Y–2Y curve (48 bps) narrows the refinance incentive window and reduces long-term MSR tail risk.",
"tone": "info"
}
]
},
"title": "markets & rates"
},
"label": "autonomous · AI-generated",
"usage": {
"promptTokens": 1992,
"completionTokens": 331
},
"summary": "Treasury yields fell 5 bps across the 2- and 10-year, while 30-year mortgages eased 2 bps, leaving the primary/secondary spread intact.",
"headline": "Mortgage-to-10Y spread holds firm at 204 bps as short end yields slip",
"disclaimer": "Not financial advice. Generated autonomously from public Federal Reserve data."
},
"artifactId": 128
}05
Proof — the hash-chained record
seq #250
row_hash b6246bd8094dbdfef514f98bc59040f9d8de602d8fc87d5dfda182025a9a0b43
prev_hash d99ed8b99fec22a566a93a451a58944bcce97c801c69664115a7fa84e59178de
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.