moonshineshadow: Well, you could ask the same question for the Region CH, it is not like gog supports CHF ;-)
So the answer is, that it is gog logic.

mrkgnao: From MaGog's logs for 13 April:

Another conversion rate change; another bagload of regional USD price adjustments. And it's a big one. See attached files (change jpg to txt) for the gory details.

Highlights:
- The following game is now no longer regionally priced in RU/UA/UZ: Industry Giant 2 ($9.99 instead of $2.79), making it --- rather surprisingly --- flat-priced

- REGION CH is no longer identical to REGION DE
- REGION CH is no longer identical to REGION SE
- REGION DE is no longer identical to REGION SE
- REGION IT is no longer identical to REGION NO

- CHANGED REGION CA num_games: 2 ***TO*** 40
- CHANGED REGION CA pct_only: -20.0% ***TO*** -14.5%

- CHANGED REGION DE num_games: 286 ***TO*** 294
- CHANGED REGION DE pct_only: +7.3% ***TO*** +9.2%
- CHANGED REGION IT num_games: 286 ***TO*** 294
- CHANGED REGION IT pct_only: +7.2% ***TO*** +9.1%
- CHANGED REGION NL num_games: 285 ***TO*** 293
- CHANGED REGION NL pct_only: +7.3% ***TO*** +9.2%
- CHANGED REGION MC num_games: 286 ***TO*** 294
- CHANGED REGION MC pct_only: +7.3% ***TO*** +9.2%

- CHANGED REGION CH num_games: 286 ***TO*** 292
- CHANGED REGION CH pct_only: +7.3% ***TO*** +7.9%
- CHANGED REGION SE num_games: 286 ***TO*** 294
- CHANGED REGION SE pct_only: +7.3% ***TO*** +8.0%

- CHANGED REGION NO num_games: 286 ***TO*** 294
- CHANGED REGION NO pct_only: +7.2% ***TO*** +4.6%

- CHANGED REGION CZ num_games: 279 ***TO*** 288
- CHANGED REGION CZ pct_only: +1.2% ***TO*** +3.1%
- CHANGED REGION PL num_games: 279 ***TO*** 288
- CHANGED REGION PL pct_only: +1.2% ***TO*** +2.7%

- CHANGED REGION RO pct_only: -0.5% ***TO*** +1.1%

- CHANGED REGION RS pct_only: -2.1% ***TO*** -0.8%

- CHANGED REGION GB num_games: 264 ***TO*** 289
- CHANGED REGION GB pct_only: +8.3% ***TO*** +5.9%

- CHANGED REGION RU num_games: 1383 ***TO*** 1382
- CHANGED REGION RU pct_only: -67.9% ***TO*** -67.2%

- CHANGED REGION UA num_games: 1292 ***TO*** 1373
- CHANGED REGION UA pct_only: -62.4% ***TO*** -63.5%

- CHANGED REGION UZ num_games: 1383 ***TO*** 1382
- CHANGED REGION UZ pct_only: -64.0% ***TO*** -63.5%

NOTES:
- "num_games" stands for "number of regionally priced games in that region"
- "pct_only" stands for "mean percent difference in price relative to US for the regionally priced games in that region"

Cavalary: Was referring to the fact that the number of regionally priced games in Canada jumped from 2 to 40 with the occasion of a conversion rate change. The CH change seems mostly in line with the EU (and EUR) one.

Maxvorstadt: The graphics you attached seem to be broken, browser says that they cannot be shown because of failures.

Maxvorstadt: The graphics you attached seem to be broken, browser says that they cannot be shown because of failures.

mrkgnao: - CHANGED REGION DE pct_only: +7.3% ***TO*** +9.2%
- CHANGED REGION NL pct_only: +7.3% ***TO*** +9.2%
- CHANGED REGION MC pct_only: +7.3% ***TO*** +9.2%

eiii: Does this mean that DE / NL / MC is the on average most expensive region now? Or are there more expensive regions which are missing from this list?

mrkgnao: You can see all the regions in Table VIII. The more relevant column to your question is the rightmost one.

mrkgnao: - CHANGED REGION DE num_games: 286 ***TO*** 294

mrkgnao: Yes. DE is currently the most expensive region. NL and MC are an infinitesimally tiny fraction cheaper.

mrkgnao: * Regional price for Man O' War: Corsair [In Dev] is $31.75 instead of $29.99 in regDE, regIT, regCH, SE, NO, NL, MC, regCZ, PL

Cavalary: A full price that's not .x9? That... doesn't happen, does it?