Domestic Box Office For October 2009
Wide releases are those released in at least 600 theaters.
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Couples Retreat | $109,204,945 | 3,074 | $34,286,740 | 31.4% | 3,000 | Oct 9 | Feb 4 | Universal Pictures |
| 2 | Paranormal Activity | $107,918,810 | 2,712 | $77,873 | <0.1% | 12 | Oct 16 | Jan 21 | Paramount Pictures |
| 3 | Where the Wild Things Are | $77,233,467 | 3,735 | $32,695,407 | 42.3% | 3,735 | Oct 16 | Feb 11 | Warner Bros. |
| 4 | Zombieland | $75,590,286 | 3,171 | $24,733,155 | 32.7% | 3,036 | Oct 2 | Dec 13 | Sony Pictures Releasing |
| 5 | Law Abiding Citizen | $73,357,727 | 2,890 | $21,039,502 | 28.7% | 2,890 | Oct 16 | Feb 4 | Overture Films |
| 6 | This Is It | $72,091,016 | 3,481 | $23,234,394 | 32.2% | 3,481 | Oct 28 | Dec 3 | Sony Pictures Releasing |
| 7 | Toy Story 2009 Re-release | $30,702,446 | 1,752 | $12,491,789 | 40.7% | 1,745 | Oct 2 | Nov 5 | Walt Disney Studios Motion Pictures |
| 8 | The Stepfather | $29,062,561 | 2,734 | $11,581,586 | 39.9% | 2,734 | Oct 16 | Nov 22 | Screen Gems |
| 9 | Saw VI | $27,693,292 | 3,036 | $14,118,444 | 51% | 3,036 | Oct 23 | Nov 24 | Lionsgate |
| 10 | Astro Boy | $19,551,067 | 3,020 | $6,702,923 | 34.3% | 3,014 | Oct 23 | Jan 21 | Summit Entertainment |
| 11 | The Invention of Lying | $18,451,251 | 1,743 | $7,027,472 | 38.1% | 1,707 | Oct 2 | Dec 17 | Warner Bros. |
| 12 | Capitalism: A Love Story | $14,363,397 | 995 | $231,964 | 1.6% | 4 | Oct 2 | Dec 17 | Overture Films |
| 13 | Amelia | $14,246,488 | 1,070 | $3,904,047 | 27.4% | 820 | Oct 23 | Jan 14 | Fox Searchlight Pictures |
| 14 | Cirque du Freak: The Vampire's Assistant | $13,869,515 | 2,754 | $6,293,205 | 45.4% | 2,754 | Oct 23 | Nov 26 | Universal Pictures |
| 15 | Whip It | $13,043,363 | 1,738 | $4,650,812 | 35.7% | 1,721 | Oct 2 | Dec 10 | Fox Searchlight Pictures |
