From Bianco Research who claim "more than 300 institutional clients worldwide including official government agencies, central banks, public and private pension plans, institutional money managers and hedge funds".
Which claim has caused me to never bother pricing them out.
Take note of the year 1916 which incorrectly holds the line marking the creation of the Federal Reserve Bank.
The New York offices of which are the official summer home of Satan himself and the source of all evil in this world.
The Federal Reserve Act was voted into existence December 23, 1913.
Click on the chart if you have an interest in pricing out Bianco Research, someone around here might partner up with you.
Take a hard look at 1940 through 1984 if you own or are planning to own bonds anytime soon.
The value of your bonds rise as interest rates fall, and subsequently fall as interest rates rise.