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Bond facts & stats

5 sourced facts about financial bonds and the bond market, each with the context behind the number. 4 more are in today's round and appear here after it closes.

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Going deeper

About what share of the global credit-rating business do the 'Big Three' agencies, Moody's, S&P, and Fitch, control?

Answerabout 95%

These three companies' bond ratings can move markets and affect a country's borrowing costs.

Source: Wikipedia - Bond credit rating (2024) en.wikipedia.org

How many primary letter-grade rating categories does Standard & Poor's use, from AAA down to default?

Answer10 categories

These range from AAA, the safest, down to D for a bond already in default.

Source: Wikipedia - Bond credit rating (2024) en.wikipedia.org

Expert level

In what year did the Republic of Venice issue what's considered one of the first government bonds?

Answer1172

These 'prestiti' paid 5% annual interest and could be resold, much like modern bonds.

Source: Wikipedia - Government bond (2024) en.wikipedia.org

In what year did England's King William III's need to finance war lead to the creation of the Bank of England?

Answer1694

This early government borrowing helped establish modern public debt markets.

Source: Wikipedia - Government bond (2024) en.wikipedia.org

About what share of US Treasury debt is held by domestic, US-based holders?

Answerabout 75%

Contrary to popular belief, most US government debt is owned by Americans, not foreign countries.

Source: Wikipedia - United States Treasury security (2025) en.wikipedia.org

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