Using the Polymarket promo code MILE guarantees new Polymarket customers a $50 trade bonus after an initial $10 deposit. We can put this capital straight to work on the intense AL Wild Card match between the Red Sox and Yankees, or any other MLB playoff game this week. Start signing up here.



For those new to the platform, Polymarket is a CFTC-regulated prediction market exchange where users trade shares in event outcomes against other users, rather than a traditional sportsbook. It is available to users aged 18 or older who are physically present in an eligible US state, though it is currently not available to residents in Nevada or Michigan.

Polymarket Promo Code ‘MILE’ Is Best for September 29 Trades

Yes. New Polymarket customers who sign up with promo code MILE and deposit $10 receive a $50 trade bonus for this MLB matchup.

Detail Information
Polymarket Promo Code MILE
New Customer Offer Deposit $10 & Get a $50 Trade Bonus
Minimum Deposit $10
Who Can Claim New Polymarket customers only, aged 18+
Availability Live across eligible US states – not available in Nevada or Michigan
Regulation Operates as a CFTC-regulated prediction market exchange
Terms & Conditions 18+, new customers only, must be physically located in an eligible state, bonus must be used on trades
Last Verified September 29, 2026

To qualify for this promotion, you must register a new Polymarket account using promo code MILE, complete the standard identity verification process, and make a first deposit of at least $10. The $50 trade bonus is then credited to your account for use on active prediction markets and is typically added within 12 to 24 hours of completing your deposit.

Terms and conditions are subject to change, and offer availability depends on your current state of physical residence. Users must be 18 or older to participate, and all trading should be done responsibly.

Polymarket Promo Code MILE Explained

Using promo code MILE gives new Polymarket customers a $50 trade bonus after a first deposit of at least $10. Our team verified this offer first-hand by registering a new account and completing the required deposit. The $10 qualifying deposit can be made in a single transaction, and it only needs to reach this minimum threshold, as larger deposits do not increase the overall bonus amount. Once cleared, the $50 trade bonus is typically credited to your account within 12 to 24 hours. Traders can then use these bonus funds on the upcoming Boston Red Sox vs. New York Yankees matchup or any other market available on the exchange.

How To Redeem the Polymarket Promo Code

You can claim the $50 trade bonus in four straightforward steps before first pitch.

  1. Confirm eligibility and have ID ready for verification (18+, physically located in an eligible US state – not Nevada or Michigan).
  2. Download the Polymarket app or visit the site, register a new account, and enter promo code MILE during sign-up.
  3. Complete identity verification (KYC) with standard personal details and proof of identification.
  4. Make a first deposit of at least $10 – the $50 trade bonus is credited within 12-24 hours and can be used on this MLB matchup.

Popular Polymarket Markets for Red Sox vs. Yankees

The Boston Red Sox take on the New York Yankees with first pitch scheduled for 8:00 PM ET.

Game Lines & Implied Probabilities
The listed spread is Red Sox +1.5 (-210), which implies a 67.7% probability, and Yankees -1.5 (+172), which implies 36.8%. On the moneyline, Boston is +118 (45.9% implied) and New York is -138 (58.0% implied). These are raw implied probabilities converted from American odds and are not adjusted for sportsbook margin.

Total Runs
The supplied total prices are over 6.5 at -102 (50.5% implied) and under 7.5 at -120 (54.5% implied). Since these are different run thresholds, they are not opposite sides of the same total. Percentages are raw implied probabilities, not adjusted for margin.

What $50 Buys
These conventional betting odds do not determine the number of prediction-market shares a $50 position would buy. On Polymarket, that depends on the live share price; any trading returns also depend on the market price when shares are sold or settle.

Form & Trends
The Red Sox (87-75) completed a historic turnaround under full-time manager Chad Tracy to earn this playoff spot, handing Game 1 to rookie Payton Tolle. Meanwhile, the Yankees (93-68) counter with ace Cam Schlittler. The listed moneyline makes New York the favorite at -138 (58.0% raw implied probability), while Boston is +118 (45.9%). The prices include the bookmaker margin, so these percentages are not true no-vig probabilities.

How Does Polymarket Work?

Polymarket is a prediction market exchange, not a sportsbook. Users buy and sell shares in an outcome at prices between 1 and 99 cents, and each winning share settles at exactly $1. On this platform, the trading price is the implied probability—meaning a 60-cent share implies a 60% chance of that outcome happening.

There is no house setting a line and no bookmaker taking the other side of your position. Instead, percentages are set dynamically by traders acting against each other. Polymarket operates within the CFTC-regulated prediction market framework in the US. Because it functions as an open exchange, users can sell a position before the game resolves rather than being locked in.

Where Can You Trade With Polymarket?

Trading is open to users aged 18 or older who are physically located in an eligible US state. Currently, Polymarket is not available in Nevada or Michigan. It is important to note that prediction market availability is still being tested by regulators and legal challenges in some states, so eligibility can change rapidly and users should always check availability in their own state before depositing funds.

Our team signed up with Polymarket promo code MILE, deposited $10, and confirmed the $50 trade bonus successfully landed in the account. This offer stands out because the qualifying deposit is exceptionally low at just $10, delivering a bonus that is five times your deposit, and the $50 can be spread across multiple markets rather than committed to one single outcome. The listed sportsbook moneyline makes New York the favorite at -138 (58.0% raw implied probability), with Boston at +118 (45.9%); these odds are not Polymarket share prices, which are set by live trading on the exchange.

What is the Polymarket promo code?

The promo code is MILE. Entering this specific code during registration ensures your new account is linked to the promotional offer for the Boston Red Sox vs. New York Yankees matchup.

How much is the Polymarket new customer bonus?

A $50 trade bonus is unlocked following a minimum $10 qualifying deposit. You can use these promotional funds to buy shares on various event outcomes across the prediction exchange.

Do I have to be a new customer to claim it?

Yes. The offer is exclusively available to brand-new Polymarket customers who are 18 years of age or older and setting up an account for the first time.

Is Polymarket available in every US state?

No. While trading is legal in many areas, you must be physically located in an eligible jurisdiction, which currently excludes users residing in Nevada or Michigan.

How long does the $50 trade bonus take to credit?

Within 12-24 hours. After your initial $10 transaction clears, the bonus trading funds are automatically loaded into your account for immediate use.