# Painless calculate average last 10 values

**URL:** <https://discuss.elastic.co/t/painless-calculate-average-last-10-values/123979>\
**Category:** Elasticsearch\
**Created:** [March 14, 2018, 6:47pm UTC](https://discuss.elastic.co/t/painless-calculate-average-last-10-values/123979 "2018-03-14T18:47:14Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Rodrigo\_Tornis](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rodrigo_tornis/32/18015_2.png) [@Rodrigo\_Tornis](https://discuss.elastic.co/u/Rodrigo_Tornis)\
**Post date:** [March 14, 2018, 6:47pm UTC](https://discuss.elastic.co/t/painless-calculate-average-last-10-values/123979/1 "2018-03-14T18:47:14Z")

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Hello guys!

Is it possible to create a painless script to calculate the average of the last 10 values in the lastprice field for calculating price changes?

Thank you!

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**Author:** ![rjernst](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rjernst/32/6363_2.png) [@rjernst](https://discuss.elastic.co/u/rjernst)\
**Post date:** [March 15, 2018, 7:30am UTC](https://discuss.elastic.co/t/painless-calculate-average-last-10-values/123979/2 "2018-03-15T07:30:13Z")

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By "last 10 values" do you mean multiple values within the same field for a single document? If so, then yes.

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**Author:** ![Rodrigo\_Tornis](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rodrigo_tornis/32/18015_2.png) [@Rodrigo\_Tornis](https://discuss.elastic.co/u/Rodrigo_Tornis)\
**Post date:** [March 21, 2018, 10:17pm UTC](https://discuss.elastic.co/t/painless-calculate-average-last-10-values/123979/3 "2018-03-21T22:17:24Z")

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Hi Ryan,

Thanks for response! But not! They are separate documents. Example: Doc 1, field value = 10, Doc 2, field value 15, Doc 3, Field value = 23 ...

I'm trying to create an RSI indicator for actions financial analysis and need calculate the average last values the last documents

Do you have a solution?

Thanks!

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<div class="post-metadata">

**Author:** ![rjernst](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rjernst/32/6363_2.png) [@rjernst](https://discuss.elastic.co/u/rjernst)\
**Post date:** [March 21, 2018, 10:36pm UTC](https://discuss.elastic.co/t/painless-calculate-average-last-10-values/123979/4 "2018-03-21T22:36:46Z")

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Have you looked at using aggregations?

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [April 18, 2018, 10:36pm UTC](https://discuss.elastic.co/t/painless-calculate-average-last-10-values/123979/5 "2018-04-18T22:36:54Z")

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