if you read the fine print on the contract specs it can keep going up another $10 in any direction after a five minute trading halt...and there is no limit to the number of halts. so essentially there is no limit, if I read this correctly.
"If any contract is traded, bid, or offered at the limit for five minutes, trading is halted for five minutes. When trading resumes, the limit is expanded by $10.00 per barrel in either direction. If another halt were triggered, the market would continue to be expanded by $10.00 per barrel in either direction after each successive five-minute trading halt. There will be no maximum price fluctuation limits during any one trading session."
