Shape of the Park
The shortest corner is 330 feet and the deepest listed alley is 400 feet. The dimensions do not create an automatic edge by themselves, so hitter type and pitcher shape should drive the read.
BALLPARK PROFILE 2026
Guaranteed Rate Field Park Factors 2026
Chicago White Sox - Chicago, IL
Guaranteed Rate Field plays as a mostly neutral betting environment for 2026. Its run factor is 1.00 (Even vs league average) and its home run factor is 0.99 (-1%).
Quick answer
Is Guaranteed Rate Field hitter-friendly?
Guaranteed Rate Field has a 1.00 run factor, 0.99 home run factor, and 1.00 hits factor. Values above 1.00 favor hitters; values below 1.00 favor pitchers.
Park-factor read
How Guaranteed Rate Field Changes the Bet
Guaranteed Rate Field is more matchup-driven than reputation-driven. Guaranteed Rate Field is the Chicago White Sox home park in Chicago, IL. For betting, the useful question is not whether the park is "good for hitters." It is which markets the venue changes most: home runs, run scoring, hits, or weather-sensitive totals.
Scoring Profile
A 0.99 home run factor is close to neutral. Treat the venue as context, not the reason for the bet. The 1.00 run factor is close to average. Market price, starting pitchers, and confirmed lineups matter more than the park name.
Weather Check
Guaranteed Rate Field is open-air, so wind, temperature, and humidity can move the run environment. Always check the daily weather before treating the static factor as final.
Sources for basic venue facts: Wikidata, Wikipedia, Official venue/team site. The park-factor read above is original thecapper.io analysis.
Opened
1991
Capacity
40,615
Roof
Open
Altitude
595 ft
Historical Venue Outcomes Artifact
226 graded model rows mapped to this home venue across official and research ledgers.
26%
model row win rate
History and naming
Guaranteed Rate Field Venue History
Guaranteed Rate Field opened in 1991 and serves as the home venue for the Chicago White Sox. That matters for searchers and bettors because venue names, naming-rights language, and team shorthand often get mixed together in MLB research. This profile uses the current venue identity, then connects it to the team, city, roof type, dimensions, and betting factors that actually affect the game. At 40,615 listed capacity with grass playing surface, Guaranteed Rate Field is a modern-era MLB venue with enough history for park factors to stabilize. The page cites Wikidata, Wikipedia, Official venue/team site for basic identity facts, but the park-factor interpretation is original analysis from thecapper.io.
Naming Note
Use Guaranteed Rate Field, Chicago White Sox, and Chicago, IL together when comparing park-factor research. Fans may search by team, city, nickname, sponsor name, or older venue wording, but the betting question is the same: which run environment is attached to today's home team? This page keeps the current official venue name tied to the Chicago White Sox profile so related pages, game previews, tools, and model explanations can point to one canonical ballpark URL.
Seasonal environment
How Weather Changes Guaranteed Rate Field
Guaranteed Rate Field is open-air, so the same dimensions can play differently by month. Cooler April and May nights can mute carry, summer heat can help the ball travel, and late-season weather can introduce sharper wind and temperature swings. For totals, home run props, hits, and NRFI/YRFI, treat the static park factor as the baseline and game-day weather as the adjustment.
Spring Read
Early-season games can be the most misleading because the listed park factor is season-neutral while temperature, wind, and lineup timing are not. Be careful with overs, home run props, and small-sample venue trends when the weather is cold.
Summer Read
Warmer air generally helps carry and can make hitter-friendly parks more dangerous. In pitcher-friendly parks, summer weather can narrow the gap between the static factor and the live betting environment.
Late-Season Read
September baseball can bring cooler nights, different shadows, bullpen fatigue, and lineup churn. That makes the park profile useful, but it should be paired with current team context and confirmed lineups.
Venue trends
Recent Run Environment at Guaranteed Rate Field
A static park factor tells you the baseline. Recent results show how the park has actually played this season: totals, team scoring, first-inning scoring, and tracked pitcher strikeout props.
10 recent games in focus
Last 5
7.8
avg runs/game
O/U2-3
YRFI20%
Home runs4
Away runs3.8
K propsN/A
Last 10
8.8
avg runs/game
O/U2-3-1
YRFI20%
Home runs3.9
Away runs4.9
K props1
Last 20
7.8
avg runs/game
O/U2-3-1
YRFI28.6%
Home runs3.6
Away runs4.1
K props1
Last 30
7.8
avg runs/game
O/U2-3-1
YRFI28.6%
Home runs3.6
Away runs4.1
K props1
Season
7.8
avg runs/game
O/U2-3-1
YRFI28.6%
Home runs3.6
Away runs4.1
K props1
How to Use These Trends
Use the windows as a sanity check, not a pick generator. If the last 5 and last 10 are running hot but the season line is neutral, ask whether weather, opponent quality, or bullpen chaos created the spike. If every window points the same way, the venue signal is more interesting.
Recent Games at Guaranteed Rate Field
| Date | Matchup | Runs | Line | O/U |
|---|---|---|---|---|
| 2026-04-29 | Los Angeles Angels @ Chicago White Sox | 5 | 8.5 | UNDER |
| 2026-04-28 | Los Angeles Angels @ Chicago White Sox | 7 | 7.5 | UNDER |
| 2026-04-27 | Los Angeles Angels @ Chicago White Sox | 15 | 9 | OVER |
| 2026-04-26 | Washington Nationals @ Chicago White Sox | 3 | 7.5 | UNDER |
| 2026-04-25 | Washington Nationals @ Chicago White Sox | 9 | 8.5 | OVER |
Run trends use final MLB game scores by home venue. O/U trend uses available sportsbook total lines from game-market shadow rows. NRFI and K trend use graded pick outcome ledgers, so sample sizes vary by park.
Guaranteed Rate Field Park Factor Rankings
Run Factor
1.00
No. 14 of 30
Even vs league average for run scoring. Near neutral.
Home Run Factor
0.99
No. 17 of 30
-1% vs league average for home runs. Near neutral.
Hits Factor
1.00
No. 15 of 30
Even vs league average for hit frequency. Near neutral.
Field Dimensions
Distances in feet from home plate. Shorter corners can amplify pull-side power, while deeper alleys can turn fly balls into extra-base volatility.
LF
330
CF
400
RF
330
Left-Center
377
Right-Center
377
Betting Impact
Run scoring is close to league average, so matchup, lineup, and pitcher form should carry more weight than venue alone. Neutral park. Wind can significantly impact fly balls. Generally balanced for all prop types. Lake effect can add variability.
Use with caution
Park factors are context, not picks. The best reads combine venue, weather, lineup quality, starting pitchers, bullpen form, and current market price.
Quirks explained
Guaranteed Rate Field Quirks and Notable Features
Ballpark quirks are only useful when they are translated into baseball outcomes. The notes below explain what each feature can change: pull-side power, doubles and triples, hit probability, totals, or weather sensitivity.
Symmetric dimensions
A balanced layout means handedness is less likely to be the main reason for a bet. In neutral geometry parks, pitcher quality, lineup depth, bullpen usage, and price should usually outrank the venue angle.
Wind factor from Lake Michigan
Wind is a slate-by-slate variable, not a static park label. Outbound wind can turn warning-track contact into power, while inbound or crosswind conditions can suppress homers and make unders or NRFI more plausible.
Source-backed venue facts
Sources and External References
We use reputable external references for basic venue identity facts only. The park-factor rankings, betting context, and model notes on this page are original thecapper.io analysis and do not copy prose from Wikipedia or official venue pages.
- Wikidata entity
- Q633613
- Architect
- Populous
- Operator
- Chicago White Sox
- Coordinates
- 41.83, -87.633889
FAQ
Is Guaranteed Rate Field hitter-friendly in 2026?
Guaranteed Rate Field has a 1.00 run factor and a 0.99 home run factor, making it a mostly neutral betting environment for betting context.
What is the home run factor at Guaranteed Rate Field?
Guaranteed Rate Field has a 0.99 home run factor, which is -1% compared with a league-average 1.00 baseline.
How should bettors use Guaranteed Rate Field park factors?
Use the venue factor as context, not a standalone pick. Combine it with lineups, starting pitchers, bullpen form, weather, and market price before betting totals or player props.
Does weather change how Guaranteed Rate Field plays?
Guaranteed Rate Field is open-air, so the same dimensions can play differently by month. Cooler April and May nights can mute carry, summer heat can help the ball travel, and late-season weather can introduce sharper wind and temperature swings. For totals, home run props, hits, and NRFI/YRFI, treat the static park factor as the baseline and game-day weather as the adjustment.
What makes Guaranteed Rate Field unique?
Guaranteed Rate Field's notable features include Symmetric dimensions, Wind factor from Lake Michigan. Those quirks matter because dimensions, wall shape, roof state, and air conditions can change batted-ball outcomes by market.