2018 Stanford Cardinal Opponent Penalty Split Stats through 01/07/2019
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 82 | 795 | 6.3 | 61.2 |
| at Home | 6 | 42 | 393 | 7.0 | 65.5 |
| on Road/Neutral Site | 7 | 40 | 402 | 5.7 | 57.4 |
| in Wins | 9 | 52 | 489 | 5.8 | 54.3 |
| in Losses | 4 | 30 | 306 | 7.5 | 76.5 |
| vs. Conference | 9 | 54 | 519 | 6.0 | 57.7 |
| vs. Non-Conference | 4 | 28 | 276 | 7.0 | 69.0 |
| vs. Ranked (AP) | 3 | 23 | 241 | 7.7 | 80.3 |
| vs. Unranked (AP) | 10 | 59 | 554 | 5.9 | 55.4 |
| vs. FBS (I-A) | 12 | 77 | 750 | 6.4 | 62.5 |
| vs. FCS (I-AA) | 1 | 5 | 45 | 5.0 | 45.0 |
| vs. FBS Winning | 8 | 55 | 579 | 6.9 | 72.4 |
| vs. FBS Non-Winning | 4 | 22 | 171 | 5.5 | 42.8 |
| vs. FBS Power 5 | 10 | 60 | 558 | 6.0 | 55.8 |
| vs. FBS non-Power 5 | 2 | 17 | 192 | 8.5 | 96.0 |
| in August/September | 5 | 30 | 304 | 6.0 | 60.8 |
| in October | 3 | 23 | 240 | 7.7 | 80.0 |
| in November | 3 | 20 | 182 | 6.7 | 60.7 |
| in December/January | 2 | 9 | 69 | 4.5 | 34.5 |