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18 March 2009: The Fed fires its bazooka

The Federal Reserve announced it would buy up to $300 billion of long-term Treasuries and an additional $750 billion in mortgage securities, expanding its quantitative easing program to over a trillion dollars. Bond yields plunged, and stocks, which had just bottomed, kept climbing. Quantitative easing went from an experiment to a standard tool, and it reshaped asset prices for over a decade.

The lesson: Central bank buying can move asset prices dramatically, which is why investors watch it so closely.

What it meant for investors

$1,000 in US Treasury bonds at the start of 2010 → $1,300 today, vs $6,071 in the S&P 500.

We start the clock at the start of 2010, the first year in our price data after the event. That is 1.3 times the money, but $4,771 less than a plain index fund made over the same years.

What US Treasury bonds teaches: Bonds bought at very low yields carry real price risk, because the starting yield is the best guide to future bond returns.

Bought inPrice thenWorth todayS&P 500 would be
2010$400$1,300$6,071
2012$460$1,130$5,312
2015$480$1,083$3,301

green = beat the S&P 500 · red = lost money

What if you bought US Treasury bonds? Every starting year and the full story →

18 March 2009: The Fed fires its bazooka