Kalshi Promo Code Rate: $55 Bonus for Rays vs. Brewers World Series Game 1

Tampa Bay and Milwaukee open the World Series Friday at American Family Field with first pitch scheduled for 8:08 p.m. ET on FOX.

Both teams arrive hot: the Brewers went 7-1 across the NLDS and NLCS while the Rays finished those rounds 7-2. Prediction market trading has been active in World Series markets, with volume expected to continue climbing as Game 1 plays out.

New users can enter Kalshi promo code RATE to receive a $55 bonus after completing at least $25 in qualifying trades.

How to claim the Kalshi $55 bonus for Rays vs. Brewers World Series Game 1

It’s an easy process to get into tonight’s MLB showdown on the order book. Kalshi has a promotional offer for new users where they give a $55 trading bonus to help grow your initial bankroll. Here is how you can secure the offer before the first pitch:

1. Register for an account: Navigate to Kalshi and create a new account, making sure to enter the promo code RATE during the sign-up process.

2. Verify your identity: Because Kalshi is federally regulated by the Commodity Futures Trading Commission (CFTC), all users must complete a standard KYC (Know Your Customer) identity verification.

3. Fund your wallet: Make your initial deposit. While the platform minimum is $10, you will need to trade at least $25 to trigger the promotional offer.

4. Trade the Rays vs. Brewers market: Buy $25 worth of cumulative event contracts. You can take a position on the Rays vs. Brewers game or explore other active markets.

5. Receive your bonus: As soon as your first $25 in contracts settle, Kalshi will automatically credit a $55 trading bonus to your account.

Please note that you must be physically located in an eligible state to create an account and claim the bonus. For a complete breakdown of the exchange’s mechanics, fee structures, and a full map of supported states, head over to our detailed Kalshi prediction market review.

Rays vs. Brewers prices on Kalshi

Rays vs. Brewers prediction market preview

Milwaukee starts Jacob Misiorowski, who led the majors with a 1.80 ERA and 252 strikeouts. His postseason has been less dominant: three runs allowed across 8 1/3 innings in two starts. Tampa Bay can test him by extending at-bats and forcing earlier bullpen decisions.

Nick Martinez gets the ball for Tampa Bay after allowing three runs in nine playoff innings. The Rays are 24-9 in his starts including October. Starting him also gives Drew Rasmussen extra rest before Game 2.

The listed prices favor Milwaukee at 62% against Tampa Bay’s 38%, but a Brewers win by more than 1.5 runs sits at 43%. That gap suggests traders are more comfortable backing Milwaukee outright than expecting a comfortable margin.

Over 6.5 runs trades at 52% versus 49% for the Under. The slight Over lean leaves little conviction on scoring, making starting pitcher efficiency and the timing of bullpen moves important factors to watch as the opening game unfolds.

Rays vs. Brewers props on Kalshi

Kalshi’s World Series Game 1 props spotlight Tampa Bay’s top power bat, Milwaukee’s electric starter and one of the Brewers’ most reliable hitters. The listed markets are tight, with only Misiorowski receiving a clear edge.

Junior Caminero to hit a home run is priced at 15%. The Rays third baseman brings plenty of power, but this is still a difficult ticket against a high-velocity right-hander in a postseason opener. One mistake in the strike zone could change the market quickly.

Jacob Misiorowski to record at least seven strikeouts trades at 54%. Milwaukee’s Game 1 starter led the majors with a 1.80 ERA and struck out 252 batters during the regular season. He has allowed three runs in the playoffs, though, so Tampa Bay’s patient approach could determine whether he works deep enough to clear the total.

William Contreras to finish with at least two combined hits, runs and RBIs sits at 49%. That near-even price reflects his ability to contribute in several ways, but it also shows how little room there is for a quiet night.

Trading on Rays vs. Brewers World Series Game 1 at Kalshi

Kalshi lets you buy and sell contracts with other traders instead of wagering against a sportsbook. Prices reflect the orders buyers and sellers place, but fees and the gap between buying and selling prices can affect your returns.

During Rays vs. Brewers Game 1, those prices can shift with every scoring chance or pitching change. You may be able to sell before the final out to secure a gain or reduce a loss, provided another trader matches your order.

For example, buying a Brewers win contract at $0.62 would return $1.00 if Milwaukee wins, producing a $0.38 profit before fees. If Tampa Bay wins, that contract settles at zero and you lose the $0.62 you paid.

A prediction market price reflects expectations, not a guaranteed result. A home run, an injury or a rough bullpen appearance can quickly change your position’s value. Review the settlement rules before trading and only risk money you can afford to lose.