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                    Closing price on 11/8/2021
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                    | Open | 13.90 |  
                    | High | 13.90 |  
                    | Low | 13.50 |  
                    | Volume | 29,900 |  
                    | Split-adjusted Price | 10.75 |  
                
             | 
 |  MDC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/8/2021 | -0.20 / -1.45% | 13.90 | 13.90 | 13.50 | 13.60 | 13.65 | 10.75 | 29,900 |   |  
            | 11/5/2021 | -0.20 / -1.43% | 13.90 | 14.00 | 13.50 | 13.80 | 13.71 | 10.90 | 14,372 |   |  			
            | 11/4/2021 | +0.60 / +4.48% | 13.40 | 14.60 | 13.40 | 14.00 | 14.26 | 11.06 | 21,600 |   |  
            | 11/3/2021 | -0.40 / -2.90% | 13.40 | 13.80 | 13.40 | 13.40 | 13.46 | 10.59 | 62,100 |   |  			
            | 11/2/2021 | -0.50 / -3.50% | 14.30 | 14.30 | 13.00 | 13.80 | 13.47 | 10.90 | 85,700 |   |  
            | 11/1/2021 | -0.40 / -2.72% | 14.80 | 14.80 | 14.30 | 14.30 | 14.48 | 11.30 | 23,000 |   |  			
            | 10/29/2021 | -0.10 / -0.68% | 15.00 | 15.10 | 14.70 | 14.70 | 14.92 | 11.62 | 19,300 |   |  
            | 10/28/2021 | -0.10 / -0.67% | 14.90 | 14.90 | 14.50 | 14.80 | 14.76 | 11.69 | 18,700 |   |  			
            | 10/27/2021 | +0.20 / +1.36% | 14.70 | 14.90 | 14.40 | 14.90 | 14.53 | 11.77 | 25,600 |   |  
            | 10/26/2021 | -0.40 / -2.65% | 14.10 | 15.00 | 14.10 | 14.70 | 14.67 | 11.62 | 33,000 |   |  			
            | 10/25/2021 | -0.80 / -5.03% | 16.30 | 16.30 | 15.00 | 15.10 | 15.66 | 11.93 | 37,800 |   |  
            | 10/22/2021 | +1.40 / +9.66% | 14.40 | 15.90 | 13.90 | 15.90 | 14.64 | 12.56 | 43,300 |   |  			
            | 10/21/2021 | -0.80 / -5.23% | 15.40 | 15.40 | 14.30 | 14.50 | 14.83 | 11.46 | 47,200 |   |  
            | 10/20/2021 | -0.90 / -5.56% | 16.00 | 16.00 | 15.30 | 15.30 | 15.55 | 12.09 | 35,700 |   |  			
            | 10/19/2021 | -0.30 / -1.82% | 16.50 | 16.50 | 16.00 | 16.20 | 16.17 | 12.80 | 19,300 |   |  
            | 10/18/2021 | -0.70 / -4.07% | 17.20 | 17.20 | 16.40 | 16.50 | 16.64 | 13.04 | 26,200 |   |  			
            | 10/15/2021 | +0.30 / +1.78% | 16.90 | 17.30 | 16.50 | 17.20 | 16.95 | 13.59 | 40,000 |   |  
            | 10/14/2021 | 0.00 / 0.00% | 16.90 | 17.50 | 16.00 | 16.90 | 16.99 | 13.35 | 49,100 |   |  			
            | 10/13/2021 | 0.00 / 0.00% | 16.90 | 16.90 | 16.20 | 16.90 | 16.60 | 13.35 | 65,500 |   |  
            | 10/12/2021 | 0.00 / 0.00% | 17.00 | 17.70 | 16.90 | 16.90 | 17.13 | 13.35 | 53,700 |   |  			
            | 10/11/2021 | -0.30 / -1.74% | 17.20 | 17.90 | 16.80 | 16.90 | 17.14 | 13.35 | 75,200 |   |  
            | 10/8/2021 | -0.70 / -3.91% | 17.90 | 18.10 | 17.10 | 17.20 | 17.43 | 13.59 | 68,100 |   |  			
            | 10/7/2021 | -1.50 / -7.73% | 18.90 | 18.90 | 17.80 | 17.90 | 18.10 | 14.14 | 105,400 |   |  
            | 10/6/2021 | +0.40 / +2.11% | 19.00 | 19.50 | 17.50 | 19.40 | 18.79 | 15.33 | 71,000 |   |  			
            | 10/5/2021 | +0.60 / +3.26% | 20.10 | 20.20 | 18.00 | 19.00 | 19.39 | 15.01 | 147,700 |   |  
            | 10/4/2021 | +1.60 / +9.52% | 16.80 | 18.40 | 16.80 | 18.40 | 18.29 | 14.54 | 244,500 |   |  			
            | 10/1/2021 | +0.10 / +0.60% | 16.70 | 17.20 | 16.10 | 16.80 | 16.84 | 13.27 | 41,800 |   |  
            | 9/30/2021 | -0.50 / -2.91% | 17.20 | 17.50 | 16.40 | 16.70 | 16.84 | 13.20 | 37,400 |   |  			
            | 9/29/2021 | +0.30 / +1.78% | 16.90 | 18.00 | 16.70 | 17.20 | 17.27 | 13.59 | 57,500 |   |  
            | 9/28/2021 | +1.50 / +9.74% | 15.40 | 16.90 | 14.50 | 16.90 | 16.38 | 13.35 | 57,400 |   |  |