The interactive chart below shows a historical timeline of our stock price and trading volume. Click on the tabs below to view the different timeframes. You may also view data on Dividend, Split, and Earning History by using the Events tab. Note: CECO changed its ticker symbol to 'CECO' on Nov. 7, 2022. To view historical stock performance under the old symbol 'CECE,' click on the drop-down menu and select NASDAQ: CECE.