The following data is the weekly, year to date and since inception percentages that Blu-ray Discs hold
of High Definition Media (HD DVDs and Blu-ray Discs) sold in the United States based on the Neilsen Videoscan first alert data
as presented by the Home Media Magazine each week. Since mid-March 2008, the Year to Date HD Media ratio has been replaced by
the market share of the Top 20 Blu-ray titles versus the Top 20 DVD titles for the given week.
The Blu-ray versus HD DVD chart was archived in March 2008, and can be seen here.
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| Mar 2008 |
| Week Ending | DVD Week | HD Week | SI |
| Mar 30 | | | | | Mar 23 | | | | | Week Ending | Week | YtD | SI |
| Mar 16 | | | | | Mar 09 | | | | | Mar 02 | | | |
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| Feb 2008 |
| Week Ending | Week | YtD | SI |
| Feb 24 | | | | | Feb 17 | | | | | Feb 10 | | | | | Feb 03 | | | |
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| Jan 2008 |
| Week Ending | Week | YtD | SI |
| Jan 27 | | | | | Jan 20 | | | | | Jan 13 | | | | | Jan 06 | | | |
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| Dec 2007 |
| Week Ending | Week | YtD | SI |
| Dec 23 | | | | | Dec 16 | | | | | Dec 09 | | | | | Dec 02 | | | |
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| Nov 2007 |
| Week Ending | Week | YtD | SI |
| Nov 25 | | | | | Nov 18 | | | | | Nov 11 | | | | | Nov 04 | | | |
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| Oct 2007 |
| Week Ending | Week | YtD | SI |
| Oct 28 | | | | | Oct 21 | | | | | Oct 14 | | | | | Oct 07 | | | |
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| Sep 2007 |
| Week Ending | Week | YtD | SI |
| Sep 30 | | | | | Sep 23 | | | | | Sep 16 | | | | | Sep 09 | | | | | Sep 02 | | | |
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Disclaimer: While we aim to present accurate information, the accuracy is only as good as the sources' accuracy.