Kalshi Promo Code MLB: Use LABS to Claim $500 MLB Bonus for Padres vs. Marlins

The Padres head into loanDepot Park this afternoon for game two of their series against the Marlins, and the Kalshi promo code MLB LABS offer is the sharpest way to trade it. Sign up today, enter Kalshi promo code LABS, complete $25 in qualifying trades, and unlock up to $500 in bonus trading funds. FantasyLabs verifies this code ahead of every event, including the Padres vs. Marlins game on today’s MLB slate, so lock it in before Walker Buehler and Janson Junk take the mound at 4:10 p.m. ET on FS1.

FantasyLabs partners directly with Kalshi to surface this offer, so trust that the Kalshi promo code MLB LABS is live and the terms are current. We verify the bonus amount, the qualifying threshold, and the eligibility rules before every event — and we did the same ahead of today’s FS1 afternoon game. Unlike most prediction markets, Kalshi’s $500 ceiling makes it the highest-value new-user offer in the space right now.

How to Claim the Kalshi Promo Code MLB LABS

Follow these steps to lock in your Kalshi promo code MLB bonus before first pitch at loanDepot Park this afternoon:

1. Download the Kalshi app on iOS or Android, or visit the Kalshi website via this offer link.
2. Tap the referral code field and enter Kalshi promo code MLB LABS.
3. Create your account and complete identity verification.
4. Deposit funds via debit card, Apple Pay, or another eligible method.
5. Complete $25 in qualifying trades on Padres vs. Marlins or any available market.
6. Collect your bonus credit automatically once the qualifying threshold is met.

The code works in most states, though Kalshi excludes AZ, IL, MA, MD, MI, MT, NV, and OH. You must be at least 18. Always confirm your state qualifies before depositing. FantasyLabs keeps this page updated the moment those rules change — treat it as your checkpoint to verify the promo code ahead of every game.

Padres vs. Marlins — Kalshi MLB Market Analysis (4:10 p.m. ET, FS1, loanDepot Park)

Saturday’s FS1 game has a confirmed pitching matchup already in place — Walker Buehler for San Diego against Miami’s Janson Junk — which means Kalshi contract prices are forming with more pre-game information than a typical same-day market. Check the latest MLB odds alongside Kalshi contract prices as first pitch approaches, and use both markets to identify where pricing gaps may open up before 4:10 p.m. ET. Then, sign up with Kalshi referral code LABS and join the action.

Buehler’s contact-suppression profile travels well to loanDepot Park, a venue that has played closer to neutral on run scoring this season. Junk keeps games tight and the Marlins hold the home-field edge — the market reflects a competitive matchup with San Diego as the moderate favorite.

Outcome	Probability	Kalshi Price
Padres Win	57%	$0.57 per contract
Marlins Win	43%	$0.43 per contract
Under 8.5 Runs	54%	$0.54 per contract
Over 8.5 Runs	46%	$0.46 per contract

Prices subject to change before first pitch.

Kalshi prices each outcome as a live contract, so implied probability shifts in real time as lineups post and innings unfold. That live movement gives you a sharper read than a static odds board — and up to $500 in bonus funds gives you the buying power to act on it across multiple markets this afternoon.

FantasyLabs tracks these markets closely and stands behind the numbers we publish, which is why readers trust us to verify prices and promos before they trade. The best Kalshi promo code MLB fans can claim today is LABS from FantasyLabs.

Why the Kalshi Promo Code MLB Fans Should Redeem Is LABS

Kalshi runs as a CFTC-regulated prediction markets exchange rather than a traditional sportsbook. You buy and sell contracts tied to real-game outcomes, and the price of each contract reflects the live, crowd-sourced probability of that result. A contract trading at 57 cents signals roughly a 57% market-assigned chance of occurring — which makes the math intuitive for anyone familiar with sports betting and immediately accessible for first-time traders.

Three things make Kalshi the standout option for Saturday’s FS1 afternoon game. First, the Kalshi promo code MLB fans should redeem is LABS — up to $500 in bonus funds unlock after just $25 in qualifying trades, making this one of the most valuable prediction market promos available for today’s slate.

Second, you can enter and exit positions mid-game, which fits a pitching-driven afternoon game where momentum can shift quickly with bullpen decisions and in-game lineup moves. Third, with both starters confirmed ahead of first pitch, the Kalshi market for Padres vs. Marlins is already more defined than most same-day offerings — giving new users a cleaner picture to trade against from the moment they sign up.

The depth goes well beyond this afternoon’s game. Trade MLB game winners, series futures, and player markets all weekend, then hold positions or exit at any point before settlement. For a nationally televised afternoon game with a confirmed pitching matchup, that flexibility makes Kalshi the natural home base for Saturday’s trading session.

Padres vs. Marlins Prediction

Padres vs. Marlins prediction: Padres to win (57¢) — back Buehler’s contact-suppression profile against a Marlins lineup that has struggled to generate consistent hard contact this season. The Under 8.5 runs at $0.54 is the natural complement: Buehler limiting exit velocity and Junk keeping the ball in the park makes the low-total outcome the structural lean in a ballpark that hasn’t been a significant run-scoring environment this year. Trade both positions with your Kalshi promo code LABS bonus and you have live exposure across two markets from the opening pitch this afternoon.

Must be 18 years or older and have a legal U.S. residential address within the applicable state, D.C., or U.S. territories. Not available in AZ, IL, MA, MD, MI, MT, NV, or OH. Please play responsibly.