Intrade, an online prediction market that allows spectators to bet on subjects ranging from entertainment to elections, said it had ceased trading on its website immediately due to circumstances that may include "financial irregularities" and require further investigation.
Intrade made the announcement on its website and said the company had closed and settled all open contracts as of the close of business on Sunday, March 10.
"With sincere regret we must inform you that due to circumstances recently discovered we must immediately cease trading activity on www.intrade.com," the company said in the statement.
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