Have you noticed your morning cuppa Joe getting more expensive? Coffee bean prices are at 13-year highs, giving the coffee exchange traded note (ETN) a jolt over the last three months.

Arabica coffee futures have risen 34% this year as a result of poor weather. But after the weather cleared, supply concerns came to the fore and pushed prices ever higher, Claudia Assis for Money Authority reports. [Why Coffee ETN Got A Wake-Up Call.]

Coffee demand is often seen as inelastic – meaning that it doesn’t tend fluctuate along with prices unless they rise very significantly. If you’ve ever had a caffeine headache, you know the importance of the daily fix!

iPath Dow Jones AIG Coffee TR Sub-Index ETN (NYSEArca: JO) is the second-best-performing non-leveraged ETF over the past three months, up nearly 39% in that time period. [How the Coffee ETN Gets a Jolt.]

Tisha Guerrero contributed to this article.

The opinions and forecasts expressed herein are solely those of Tom Lydon, and may not actually come to pass. Information on this site should not be used or construed as an offer to sell, a solicitation of an offer to buy, or a recommendation for any product.