Is there such thing as a forex index?

hi,
anyone out there know if there is an index for the whole forex market like the dow jones?
or an index for the 28 pairs?
not for trading it but for analysis

Good question but No.

The nearest thing to use would be the USD index - USDX or DXY. It is an index of the USD against the most important counter currencies. Or you could look at the USD pairs and make your own analysis.

Given each currency is relative to another currency in value, I can't see the relevance of such an index. It would look range bound and generally flat?

If the index were weighted by country/region, perhaps by how much central banks held in foreign FX reserves, would be more interesting.

I would like to see a forex volatility index, volatility has defiantly decreased in the last few years ( and I've had to modify systems accordingly).

CBOE offer a few on individual currencies, but I think a forex market volatility index would be wonderful. It could be called FXVIX, and be a tradeable instrument.

In your opinion, what should a forex market index show?

Liteforex is providing currency indexes. These indeces on MT4 and only major units.

And there is something like this; https://www.forexfactory.com/showthread.php?t=537705
You can create offline currency index.

In forex we are exchanging one currency with another. We are not buying any share of a company like in stock market. Both stock market and currency market concept is different. That's why there is no index in forex like stock market.