did you actually read what they say on their site? I will make it for you
The daily profit is not guaranteed. The interest rate that you earn daily using our investment platform is calculated by our BitConnect Price Volatility Software and accrued daily. Some days, the profit may be 0%.Read more
this is true. i have had about 4 days in the past one year i have been earning where i did not receive an earning. the 1% is the averae. i have had .05% and 5.0% days, very few, but most days i earn about 1.50% average, it is very possible for them to pay these earnings when everyone is trading their coins.