How your assets are priced
Some things Gylder prices for you every day, some it never will, and the line between them is whether it can convert what you hold into something with a market price.
On this page
Every holding in Gylder gets its value one of two ways: a market price applied to a quantity, or a number you entered. Which one applies is not arbitrary, and knowing the rule explains why some things move on their own and others sit still.
The test is simple: can Gylder work out how much of a priced thing you hold?
What is priced automatically
Securities. Shares and ETFs are priced daily from a market data provider. European positions revalue after the European close and US positions after the US close, so a holding is not marked at a price from the middle of its own trading day.
Crypto. Priced daily from exchange data, and refreshed far more often for connected exchange balances, where the quantity itself updates every 15 minutes.
Precious metals, when you have given a weight and a unit. Gold, silver, platinum and palladium have a spot price, so grams or troy ounces convert directly.
Currency. Everything is presented in euro. Holdings in another currency are converted using official reference rates, which is why a US position can change value in euro on a day its dollar price did not move.
What is never priced automatically
Property. No daily market exists for your specific house. Gylder holds the valuations you enter and does not interpolate between them.
Business stakes, for the same reason, and labelled as estimates throughout.
Anything you entered as a plain value with no link to a priced instrument.
These hold their last value until you give them a new one. They are not grown by an assumed rate, and any projection you set starts at zero.
The unit rule, and why a bar is not an ounce
The most common surprise, and it is a deliberate refusal rather than a gap.
To price a metal holding, Gylder needs to convert your quantity onto the unit the market price is quoted in, which for precious metals is the troy ounce. Give it grams and the conversion is exact. Give it troy ounces and there is nothing to convert.
Give it 35 bars and there is no conversion at all. A bar can be a gram or a kilo. Treating it as 35 troy ounces would produce a large, confident and completely wrong number, so instead Gylder falls back to the value you entered.
The same applies to any quantity with no unit, and it is the reason a metal holding you expected to track spot might be sitting still: it has no unit to convert.
The fix is to edit the entry and give it a weight in grams or troy ounces.
A related rule sits underneath this. When a conversion is needed, Gylder scales the price, never your quantity. Rewriting a quantity to make the arithmetic easier would corrupt everything else reading it.
What "daily" actually means
Prices refresh on a schedule rather than continuously. A weekday refresh collects the previous session's closes and exchange rates.
So an intraday move is not reflected until the next refresh, and a market that was closed produces no new price, which is why a weekend rarely changes your securities.
Connected crypto exchange balances are the exception: the quantity syncs every 15 minutes, so those positions move more often than anything else.
Why past values can change
Because history is rebuilt from price data rather than frozen, a corrected or newly filled price series changes your chart retroactively.
That is the intended behaviour, covered in how net worth history works. A price that was missing and is now present makes your past more accurate, not less.
When something has no price
A holding Gylder cannot price is shown as unpriced rather than as zero.
Those are different claims. Zero says the thing is worthless; unpriced says we do not know. Showing the second as the first would understate your net worth while looking perfectly normal, which is the kind of error nobody catches.
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