Ad companies similar to Propeller Ads for Forex niche

I'm looking for ad networks similar to Propeller ads that would work very well with a Forex niche. I'm thinking about using Propeller Ads but the support wasn't very helpful and may consider using someone else.

I was wondering if push notification ads for Forex niche would work. I would be interested in trying different types of ads in similar ad networks I just want to know which ad types have the best chance of converting with my niche?

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