Apr 06, 2020 · Over the past twenty days of trading, Devon Energy Corporation (NYSE: DVN), from October 02, 2019 to April 02, 2020 there is a potential Short Squeeze about to happen because of an increase in short volume over the past twenty days with very little cover volume.. Because of this the Squeeze Report trend indicator issued a DVN Short Squeeze. Trading Hours & Holidays | euronext.com Calendar of business days 2020. The Euronext Cash and Derivatives Markets will be open Monday to Friday throughout 2020 except on the following days: The Oslo Børs trading calendar for 2020 will remain independent from the harmonised Euronext trading calendar.