All factors
πŸ“ˆ

Bond yield spike

🌍 Macro
β–Ό Usually bearish

Long-term government bond yields rise sharply.

Typical size

1-4% on the index; more for growth stocks

Timeframe

Immediate; persists while yields stay elevated

Evidence

0 logged events

Why it moves the price

Raises the discount rate applied to future cash flows and offers a competing risk-free return, compressing the multiple investors will pay for equities.

What separates a good call from a naive one

The pain concentrates in long-duration assets β€” unprofitable growth companies whose value sits far in the future fall multiples of the index move, while cash-generative value names can be unaffected.

Measured impact

Not enough evidence yet

Every logged event is measured against real closing prices: the move from the close before the event, compared with the S&P 500 over the same window.

Next day

Not measured yet

After 1 week

Not measured yet

After 1 month

Not measured yet

Textbook view:β–Ό Usually bearishtypically 1-4% on the index; more for growth stocks

No measured verdict yet β€” 0 events logged. Three or more are needed before the data says anything useful.

The evidence (0)

Every row is a real event, measured against actual closing prices.

No events logged yet. Add the first one β€” the price impact gets measured automatically.

Measured from historical closing prices. Past reactions do not guarantee future ones. Not financial advice.