ForEx is another niche with low volumes and high competition -- because of the profits that can be made off of each visitor.

Here are a bunch of unregistered ForEx domains. Many of these are probably trademarked, but I don't know the niche well enough to find and remove all of the trademarked domains.

The numbers on the left are exact match searches from the Google Adwords keyword tool.

5400 forexcalculator.org
4400 forexnewstrading.net, forexnewstrading.org
4400 forexbrokerfinance.com, forexbrokerfinance.net, forexbrokerfinance.org
4400 forexrelationship.com, forexrelationship.net, forexrelationship.org
2400 forexfunnel.org
2400 scalpingforex.org
1900 forexhistory.org
1900 forexsoftwaretrading.net, forexsoftwaretrading.org
1900 forexstreet.org
1600 forexcontest.org
1600 learningtotradeforex.org
1600 forexcompanies.org
1600 learntotradetheforex.org
1300 practiceforextrading.net, practiceforextrading.org
1300 onlineforextradingloan.net, onlineforextradingloan.org
1300 forexeconomiccalendar.net, forexeconomiccalendar.org
1300 forexaustralia.org
1300 forexmoneymanagement.org
1300 freeforextrading.org
1300 simulatedforextrading.org
1300 forextradinguk.org
1300 forexprediction.net, forexprediction.org
1000 onlineforextradingbusiness.net, onlineforextradingbusiness.org
1000 autoforexsystemtrading.org
1000 forextradinginfo.net
1000 forexebooks.org
1000 forextradingfordummies.org
1000 forexsimulator.net
1000 bestforextraining.net
1000 forexfreesoftwaretrading.net, forexfreesoftwaretrading.org
1000 forexrecommendations.org
1000 forexsignalssoftware.org
1000 forexhours.org
1000 forextradingbasics.org
1000 forexmetatrader.org
1000 forextradingbook.org
1000 futureforextrading.org
1000 tradingsystemforex.net, tradingsystemforex.org
1000 financialforex.net
880 forexbrokeragefirms.net, forexbrokeragefirms.org
880 forextrainingvideo.org
880 forextradingsystemcourse.net
880 forexlessons.net, forexlessons.org
880 forexbureau.org
880 forexgame.org
880 bestforexplatform.org
880 forexno.net, forexno.org
880 forexmechanicalsystemtrading.net, forexmechanicalsystemtrading.org
880 forexprofessionalsystemtrading.com, forexprofessionalsystemtrading.net, forexprofessionalsystemtrading.org
880 currencyexchangeforex.net, currencyexchangeforex.org
880 stealthforex.net, stealthforex.org
880 forextrendtrading.net, forextrendtrading.org
880 freeforextradingsignals.net
880 forexhedge.org
880 daytrainingtradingforex.net, daytrainingtradingforex.org
880 forextradingmarket.org
880 forexvolume.net, forexvolume.org
880 forextradingcontest.org
880 forexonlinesoftwaretrading.org
880 accountforexonlinetrading.org
880 forexscalpingsystem.net, forexscalpingsystem.org
720 forexpractice.org
720 liveforextrading.org
720 forextradingseminar.org
720 forexgroup.org
720 forexinterbank.org
720 acmforextrading.net, acmforextrading.org
720 forexconsultant.net, forexconsultant.org
720 forexfxtrading.net, forexfxtrading.org
720 bestforextrader.org
720 forextax.org
720 forextradingpips.org
720 forexambush20.net, forexambush20.org
720 forextradingwith.com, forextradingwith.net, forextradingwith.org
720 forexpairs.net, forexpairs.org
720 bestforexstrategy.org
720 liveforexchart.org
720 dayforexonlinesystemtrading.com, dayforexonlinesystemtrading.net, dayforexonlinesystemtrading.org
720 freeforexebooks.org
720 forexcommentary.net, forexcommentary.org
720 forexbrokerrating.org
590 freeforexaccount.net
590 forextradinginindia.net, forextradinginindia.org
590 forexcompetition.org
590 forexblogspot.net, forexblogspot.org
590 forexreport.org
590 forexrealtimetrading.org
590 forexfundamentalanalysis.org
590 forextradingindia.org
590 bestforextradingsystems.org
590 forexjob.net, forexjob.org
590 forexnew.org
590 fibonacciforextrading.net, fibonacciforextrading.org
590 financeforex.net, financeforex.org
590 forexnewsonline.net, forexnewsonline.org
590 interbankforextrading.net, interbankforextrading.org
590 forexdvd.org