ONE SIGNAL supports private and professional investors with a daily trading signal regarding investment decisions relating to the S&P 500-Index to make smarter trading possible. For decades, ONE SIGNAL has successfully followed the method of “contrarian investing“ based on sentiment indicators. ONE SIGNAL consists of trading information that is newly calculated on a daily basis – and can be tested completely free of charge and WITHOUT obligation for 30 days (value: 129 EUR excl. sales tax).