Inside Edge
The San Francisco Giants are 18-20-0 ATS as Underdogs in 2026
MLBNational • NL West
The San Francisco Giants are 18-20-0 as underdog in 2026, a 47.37% rate with -21.06% ROI on flat $100 bets at closing odds. Closing lines from DraftKings, FanDuel, and BetMGM, graded against official MLB box scores.
Underdog ATS
18-20-0
Win %
47.37%
ROI
-21.06%
Games
38
Underdog ML
16-22-0
Win %
42.11%
ROI
-5.53%
Games
38
Giants Monthly Performance
-25.8%21-29 · -12.9u
-54.2%
-18.3%
-29%
Mar
1-4
1-4
Apr
12-14
12-14
May
8-11
8-11
Home / Away as Underdog ATS
Home
10-11-0
47.62%-20.92%
Away
8-9-0
47.06%-21.24%
Recent Games (2026)
| Date | Opponent | Score | ATS | ML | O/U |
|---|---|---|---|---|---|
| 2026-05-20 |  @ Diamondbacks | L 6-3 | ✗ | L | O |
| 2026-05-19 | @ Diamondbacks | L 5-3 | ✗ | L | U |
| 2026-05-18 | @ Diamondbacks | L 12-2 | ✗ | L | O |
| 2026-05-17 |  @ Athletics | W 1-10 | ✓ | W | O |
| 2026-05-16 | @ Athletics | W 4-6 | ✓ | W | O |
| 2026-05-15 | @ Athletics | L 5-2 | ✗ | L | U |
| 2026-05-14 |  @ Dodgers | L 5-2 | ✗ | L | U |
| 2026-05-13 | @ Dodgers | L 4-0 | ✗ | L | U |
| 2026-05-12 | @ Dodgers | W 2-6 | ✓ | W | U |
| 2026-05-11 | @ Dodgers | W 3-9 | ✓ | W | O |
Frequently Asked Questions
What is the San Francisco Giants as underdog in 2026?
The San Francisco Giants are 18-20-0 (47.37%) as underdog in 2026 on DraftKings, with -21.06% ROI.
What is the San Francisco Giants home vs away as underdog?
Home: 10-11-0 (-20.92% ROI). Away: 8-9-0 (-21.24% ROI).
More Giants Stats (2026)
Compare As Underdog
Record as Underdog for the San Francisco Giants in the 2026 season on LineTerminal. Data sourced from DraftKings closing lines. Updated daily after games are graded. Past performance does not guarantee future results. LineTerminal offers advanced system-building tools to research San Francisco Giants betting trends across 80+ filters and 5+ years of data.