Underdog Promo Code ROTOWIRE: Up To $1000 Deposit Match (October 3)

Underdog is one of the fastest growing daily fantasy sports apps on the market, and new users can lock in the Underdog Promo Code ROTOWIRE to claim a 50% deposit match up to $1,000 on their first real money deposit. Here's everything you need to know to grab this offer today.

This is one of the top trading sign up offers available right now, giving new users extra bonus funds to play with right out of the gate. Click the PLAY NOW link below to sign up with the Underdog Promo Code, make your first deposit, and Underdog will match half of it in bonus funds, up to $1,000.

Underdog Promo Code Details (October 2026)

What is the Underdog Promo Code?

The Underdog promo code is ROTOWIRE, and it unlocks a 50% deposit match up to $1,000 in bonus funds. New users simply need to enter the code when they sign up and fund their account to receive the match automatically once their deposit clears.

How to Claim the Underdog Promo Code

1. Click one of the PLAY NOW links here to head to Underdog
2. Sign up for a new account and enter Underdog Promo Code ROTOWIRE
3. Provide your name, date of birth, and address when signing up
4. Make a first deposit of at least $10 or up to $1,000
5. You'll receive a 50% match on that deposit, up to $1,000 in bonus funds
6. Use your bonus funds to enter Pick'em contests, Best Ball drafts, or other games across the platform

Deposit Match Terms & Conditions

• ROTOWIRE must be entered during sign up to claim the offer
• The 50% deposit match is available only to new users who are 18 years or older in most states
• Minimum deposit to qualify is $10
• Bonus funds cannot be withdrawn directly and expire in 14 days
• Offer is available only in the following states: AL, AK, AZ, AR, CA, CO, DE, DC, FL, GA, IL, IN, KS, KY, MA, MD, MI, MN, MS, MO, NE, NH, NJ, NM, NC, ND, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WV, WI, WY
• One welcome offer per new customer, cannot be combined with other new user promotions

What is Underdog?

Underdog is an online daily fantasy sports platform best known for its Pick'em contests and Best Ball drafts. Pick'em lets users build entries by selecting whether a player will go higher or lower than a set stat line, while Best Ball allows users to draft a full roster once and let Underdog handle lineup decisions the rest of the way.

The operator runs season-long, weekly, and daily contests across the NFL, NBA, MLB, NHL, PGA, and other major sports, with payouts that can reach up to 1,000 times the entry fee on certain Pick'em slates.

Recently, Underdog has also expanded into the predictions space, launching its own prediction markets platform as well. 

Where is Underdog Available?

Underdog operates in 40 U.S. states, Washington D.C., and most Canadian provinces outside of Ontario. It is NOT currently available in Connecticut, Hawaii, Idaho, Iowa, Louisiana, Maine, Montana, Nevada, or Washington.

How Old Do I Have to Be to Play at Underdog?

Age requirements differ by state. Most states require users to be 18 or older, while Alabama and Nebraska require 19+, and Arizona and Massachusetts require 21+.

Markets at Underdog

Underdog's core product is built around Pick'em contests centered on player props and team totals, but the platform has also expanded into sports prediction markets in select states, offering event contracts on football, college football, and baseball spreads, moneylines, and totals.

Trade Types at Underdog

Underdog's signature format is Pick'em, where users choose higher or lower on two to five player stats per entry, with fixed payout multipliers based on how many picks are included. Rivals mode adds head-to-head prop matchups between two users, while Best Ball drafts let users build a full roster through a snake draft with no in-season lineup management required. Underdog also offers prediction market contracts on game outcomes for users in eligible states.

Banking Options at Underdog

Underdog supports several deposit and withdrawal methods:

Fastest Withdrawal Option at Underdog

PayPal and Venmo are typically the fastest withdrawal options at Underdog, taking 24 to 48 hours at the longest. Card withdrawals and online banking transfers typically take longer, around two to five business days.