I think its not legit or will not last long. Most of HYIP's do not lasts.you may be earning now but in the long run ad when funds coin in dries up, they will ceased to exists. Same with double your money scam,hourly give aways/interests etc.Just be vigilant.
But It's most important to take profit. For example, I continue to invest to daily, I'll get back %110 daily, so I'll take what I invest. If It's not close 10 days, I can trust them.