Please answer the given financial question based on the context.
Context: table of contents index to financial statements item 3 . legal proceedings . item 4 . mine safety disclosures . not applicable . part ii price range our common stock trades on the nasdaq global select market under the symbol 201cmktx 201d . the range of closing price information for our common stock , as reported by nasdaq , was as follows : on february 16 , 2012 , the last reported closing price of our common stock on the nasdaq global select market was $ 32.65 . holders there were 41 holders of record of our common stock as of february 16 , 2012 . dividend policy we initiated a regular quarterly dividend in the fourth quarter of 2009 . during 2010 and 2011 , we paid quarterly cash dividends of $ 0.07 per share and $ 0.09 per share , respectively . in january 2012 , our board of directors approved a quarterly cash dividend of $ 0.11 per share payable on march 1 , 2012 to stockholders of record as of the close of business on february 16 , 2012 . any future declaration and payment of dividends will be at the sole discretion of the company 2019s board of directors . the board of directors may take into account such matters as general business conditions , the company 2019s financial results , capital requirements , contractual , legal , and regulatory restrictions on the payment of dividends to the company 2019s stockholders or by the company 2019s subsidiaries to the parent and any such other factors as the board of directors may deem relevant . recent sales of unregistered securities item 5 . market for registrant 2019s common equity , related stockholder matters and issuer purchases of equity securities. .
|2011:|high|low|
|january 1 2011 to march 31 2011|$ 24.19|$ 19.78|
|april 1 2011 to june 30 2011|$ 25.22|$ 21.00|
|july 1 2011 to september 30 2011|$ 30.75|$ 23.41|
|october 1 2011 to december 31 2011|$ 31.16|$ 24.57|
|2010:|high|low|
|january 1 2010 to march 31 2010|$ 16.20|$ 13.25|
|april 1 2010 to june 30 2010|$ 17.40|$ 13.45|
|july 1 2010 to september 30 2010|$ 17.30|$ 12.39|
|october 1 2010 to december 31 2010|$ 20.93|$ 16.93|
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Question: for the period from april 1 2011 to june 30 2011 , what was the difference between high and low stock price?


Answer: The answer is:4.22