Newsig · MarketWatch
30-year mortgage rate posts biggest jump in four years
Mortgage rates surged to roughly a three-year high, a fresh setback for an already depressed housing market.
Why it matters
TLT (20+ Year Treasury) · Why linked: Rising 30-year mortgage rates reflect a surge in long-term Treasury yields. Market context: Long-duration Treasuries typically decline as yields jump on mortgage rate spikes.
SPY (SPDR S&P 500 ETF) · Why linked: Sharp rise in long-term rates weighs on broader equity multiples. Market context: The S&P 500 may face selling pressure as bond yields jump and growth outlook dims.
How TLT, SPY usually react
This story is too recent for its own reaction record — we score each asset against the actual price move 24h after publication. These are the long-run figures across every event we have tracked for them.
| Asset | Events | Avg max move | Closed lower |
|---|---|---|---|
| TLT | 14 | +0.66% | 71% |
| SPY | 16 | +0.70% | 69% |
Curated by Newsig — News in. Signal out.
How the reaction data is measured · Editorial policy