How are prices stored in raw JSON export?

mark's Avatar


22 Jul, 2023 03:34 AM

I'm trying to write a C# parser for the raw JSON exported by Moneydance.

I can see what I think should be security pricing entries in the JSON, like this one, which appears (from the date and volume information) to refer to the screenshot attached to this post):

      "hi": "0.04185851820845542",
      "lo": "0.04242681374628765",
      "relrt": "0.04196391103650861",
      "dt": "20170822",
      "vol": "58477779",
      "rhi": "0.04185851820845542",
      "rlo": "0.04242681374628765",
      "urt": "0.04196391103650861",
      "obj_type": "csnap",
      "id": "f7606bdd-e8fc-4bff-90dc-966d93a8b70c",
      "curr": "038478e5-04e1-42be-a2b5-d080cbc938b4",
      "ts": "1515110230867"

However, I don't see the pricing information in the JSON. Nor can I find it by doing a text search of the raw JSON for the values displayed in the screenshot (although it's possible I missed them as the raw JSON file is 58MB).

Is the price information encoded somehow in the JSON shown above? Or is it not included in the raw JSON export?

  • Mark
  1. 1 Posted by Stuart Beesley ... on 22 Jul, 2023 04:32 AM

    Stuart Beesley (Mr Toolbox)'s Avatar

    The csnap record is the pricing.

    “urt” is the price

    You need to apply the magic

    1 / 0.04196391103650861 = 22.83

    All prices stored are inverted.

    For some elements you might have to also get the currency’s decimal places and apply a pow 10 factor. But I think prices are raw.

    Hope this helps?

  2. 2 Posted by mark on 22 Jul, 2023 04:38 AM

    mark's Avatar

    LOL! I thought of several things but never considered that. Thanx!

    Do you know why they’re stored inverted?

  3. 3 Posted by Stuart Beesley ... on 22 Jul, 2023 11:55 AM

    Stuart Beesley (Mr Toolbox)'s Avatar

    It’s something to do with ease of currency conversions between different currencies. It’s a mathematical ‘trick’ so that you are storing currencies as units of 1 (rather than units of a specific currency). It looks odd and clunky but it’s probably a very good technique.

  4. mark closed this discussion on 27 Jul, 2023 06:53 PM.

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