# What does RR and xx mean?

**URL:** <https://discourse.julialang.org/t/what-does-rr-and-xx-mean/81624>\
**Category:** Offtopic\
**Tags:** finance\
**Created:** [May 25, 2022, 2:36am UTC](https://discourse.julialang.org/t/what-does-rr-and-xx-mean/81624 "2022-05-25T02:36:41Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Raymond](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/raymond/32/36557_2.png) [@Raymond](https://discourse.julialang.org/u/Raymond)\
**Post date:** [May 25, 2022, 2:36am UTC](https://discourse.julialang.org/t/what-does-rr-and-xx-mean/81624/1 "2022-05-25T02:36:42Z")

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Dear all,

I have an simple question about Finance.  
What does `RR` and `xx` mean in `USD10YT = RR` and `USD10YT =xx`?

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**Author:** ![Raymond](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/raymond/32/36557_2.png) [@Raymond](https://discourse.julialang.org/u/Raymond)\
**Post date:** [May 25, 2022, 2:37am UTC](https://discourse.julialang.org/t/what-does-rr-and-xx-mean/81624/2 "2022-05-25T02:37:13Z")

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Does RR stands for “Repo Rate”?

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**Author:** ![gustaphe](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/gustaphe/32/18174_2.png) [@gustaphe](https://discourse.julialang.org/u/gustaphe)\
**Post date:** [May 25, 2022, 3:31am UTC](https://discourse.julialang.org/t/what-does-rr-and-xx-mean/81624/3 "2022-05-25T03:31:01Z")

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Did you find that in a specific Julia package? I don’t think this question is even possible to answer without more context. And a Julia forum might well be less likely than the general populace to be able to answer.