Play the Pfizer chart challenge

Pfizer (PFE), Pharmaceuticals. This challenge is 200 sessions, from July 15, 2010 to April 28, 2011, plus 60 earlier sessions of context. You picked the company on this page. On the chart the name and the dates are hidden, and the price is rescaled so the close before session 1 equals 100.

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The shape of this chart

Pfizer from July 15, 2010 to April 28, 2011 climbs +40.1% in the year after the Wyeth deal had already closed. The low is session 5 (July 21, 2010). The drop from the high is −8.4%, and the worst day, August 11, 2010, is −3.4%. The second half (+23.9%) outruns the first (+13.0%). The window has no crisis in it, and no dip large enough to feel like a gift.

+40.1%Buy and hold

−8.4%Deepest drop from a high

105 of 199Closes that rose

−3.4%Worst session · August 11, 2010

+13.0%First 100 sessions

+23.9%Last 100 sessions

What you trade

Buy and hold makes +40.1% and the deepest drop from a high is −8.4%. 105 of 199 closes are higher. The first 100 sessions are +13.0% and the last 100 are +23.9%. On a path this steady, extra trades are the usual way to fall behind the benchmark.

This page names Pfizer because this challenge is that company. The daily puzzle and a random practice game keep the company hidden. Inside this round the chart still hides the name and the dates until you finish.

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A lesson that fits this chart

Moving averages (SMA and EMA) — The trend, smoothed