Global Pendulum
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Issue 1 · Late October 2026

Bond volatility → World stocks

Common explanation (Ripple · opposite direction): When rates swing widely, discount rates for all assets become unstable, and risky assets come under pressure together.

This issue: Bond volatility at 38 (cool), World stocks at 72 (warm) — Bond volatility below normal, World stocks above normal, in line with the common explanation (this is an inverse link).

Hot and cold describe position, not good or bad: warm does not mean a fall is coming, and an extreme reading does not mean a quick reversal. We describe history only, with no buy or sell advice.

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Where it stands now

Where the two indicators stand this issue

Bond volatility: Now 64 basis points (annualized). World stocks: Positions of 20 national stock markets, weighted by market value 72.

Tests

Does this link hold up?

  1. Common explanationWhen rates swing widely, discount rates for all assets become unstable, and risky assets come under pressure togetherSource: European Central Bank, “Financial Stability Review, November 2022” (2022). It describes assets falling together as rates rose and became more volatile in 2022; it does not show that volatility by itself pushes stocks down.
  2. Tested against our dataAgreement between the positions of Bond volatility and World stocks (same month), measured in the direction of the common explanation: −0.15 (an opposite-direction link: the raw correlation is +0.15, and a negative correlation fits, so the sign is flipped). Looking at every 5-year period (shifted one year at a time), the two moved in that direction in 35 of 45. In most periods the two moved the way the common explanation says, but their highs and lows do not line up over the whole history, so overall no relationship is visible.Not visible in our data
  3. Periods when it did not holdAcross 45 5-year periods, out of step in 1976⁠–⁠1996.

History

The two lines, overlaid

Data: Calculated by this site from daily 10-year Treasury yields in Federal Reserve H.15, via FRED (Federal Reserve Bank of St. Louis); Positions of OECD national share price indices, weighted by World Bank market capitalization (calculated by this site). Positions: our calculation.

Bond volatilityWorld stocks

Limits

What this card cannot tell you

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