Over the last year, crude oil has become one of the most talked about stories among traders and investors.

On StockTwits, streams like $USO (Oil ETF), $CL_F (Crude oil futures) and $UWTI (leveraged oil ETN) see more than 5,000 combined messages each week. So with that in mind, we’ve embedded a chart that still gets passed around to this day.

Below you will find a historical look at crude oil prices (with our 2016 price edit).

This chart shows the real price of crude (adjusted for inflation) from 1861 to 2016. Perhaps the most stunning thing about this chart is the perspective it offers about crude oil prices. While the recent drop has been jaw-dropping, it actually isn’t that abnormal for crude to go through such a wild swing. It’s happened before:

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