Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:

• Make sure to open an issue as a bug/issue before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea
• Ensure the tests and linter pass
• Code coverage does not decrease (if any source code was changed)
• Appropriate docs were updated (if necessary)
  • Series.between(): https://screenshot.googleplex.com/BhHpZsL7S9d3FsG
  • Series.cumprod(): https://screenshot.googleplex.com/7o7gDNwJZEWst84

Fixes #<issue_number_goes_here> 🦕