WASHINGTON Sept. 17 (UPI) -- The UPI/CVoter daily presidential tracking poll released Saturday shows the race in a virtual tie, with Donald Trump holding onto a lead of less than 1 percentage point over Hillary Clinton.
The online poll shows Trump with 47.62 percent to Clinton's 47.01 percent.
Neither candidate moved significantly compared to data collected a day earlier. The data over the course of seven days, the poll's full sample size, shows Clinton gaining nearly 1 percentage point, while Trump's total has dropped six-tenths of a percent.
Though the lead is razor-thin, Trump has now posted his longest string of days leading the race since the UPI/CVoter poll started in July, before the party conventions. Trump held a sustained lead for 10 days over Clinton prior to the conventions. Through much of August, Clinton enjoyed a polling bump from the Democratic convention, while Trump struggled through several controversies and campaign staff shake-ups. Since then, Trump has remained largely on-message and has now led the UPI/CVoter poll for the last 11 days.
The UPI/CVoter online tracking poll surveys more than 200 people each day, leading to a sample size of at least 1,400 people during any seven-day span.
Because the poll is conducted online and individuals self-select to participate, a margin of error cannot be calculated. The poll has a credibility interval of 3 percentage points. This seven-day span includes data collected from Sept. 9 to 15, when 1,796 individuals were surveyed. Of them, 1,229 identified themselves as likely voters.