Polymarket Promo Code for the Midterms: Use CHECK for a $25 Bonus
Claim a $25 trading bonus with Polymarket promo code CHECK for the 2026 Midterms! Trade legally on House, Senate, and key battleground races using CFTC-regulated Polymarket US before Election Day.
Sam Eaton - October 30, 2026, 5:00 PM EDT
3 Minute ReadPolymarket Promo Code for the Midterms: Use CHECK for a $25 Bonus
The Polymarket promo code for the 2026 midterms is CHECK. New users who sign up for Polymarket US through oddschecker and enter the code get a $25 trading bonus after their first deposit and trade. You can put it toward any of Polymarket's midterm markets, including House and Senate control and individual Senate races.
Polymarket midterms promo at a glance
Detail | What you need to know |
|---|---|
Promo code | CHECK |
Offer | $25 trading bonus for new users |
How to unlock it | Make your first deposit and trade |
Where to enter it | Tap "I have a referral code" at sign-up |
Not available in | Nevada |
How to claim the Polymarket promo code
- Tap any Polymarket link on oddschecker, or download the Polymarket US app.
- Tap "I have a referral code" and enter CHECK.
- Complete identity and location checks.
- Make your first deposit.
- Place your first trade to unlock the $25 trading bonus.
Where to use your Polymarket bonus on the midterms
Polymarket's Midterms Hub puts its election markets in one place, with an interactive map, a key races view and live vote counts on election night. As of October 29, the main prices are:
Market | Polymarket price |
|---|---|
Democrats win the House | 94¢ |
Republicans win the House | 7¢ |
Democrats win the Senate | 72¢ |
Republicans win the Senate | 28¢ |
Texas Senate: Talarico (D) / Paxton (R) | 71¢ / 30¢ |
Ohio Senate: Brown (D) / Husted (R) | About 71¢ / 30¢ (Oct 30) |
With $25, a Senate race or the Senate control market gives you a meaningful position either way. Prices on Polymarket US can differ slightly from the international site, so check the app before you trade, and compare with the wider board on our US politics odds page.
Why use Polymarket for the midterms?
- Huge range. Polymarket lists more than 560 midterm markets, covering Senate, House, governor, ballot measure and some local races.
- Election night tools. The Midterms Hub shows live vote counts next to market prices.
- Order book trading. Set your own price with a limit order or buy instantly at the market.
- Regulated in the US. Polymarket US is a CFTC-regulated exchange.
Polymarket promo code terms to know
- New Polymarket US users only.
- Enter CHECK when you register.
- The bonus is triggered by your first deposit and first trade.
- Not available in Nevada; other state eligibility rules apply.
Polymarket midterms promo code FAQs
What is the Polymarket promo code for the midterms?
CHECK. It gives new users a $25 trading bonus after their first deposit and trade.
Can US users bet on the midterms with Polymarket?
Yes, through Polymarket US, which carries midterm markets including House and Senate control.
Can I use the bonus on individual Senate races?
Yes. The trading bonus can go toward any eligible market, including individual Senate races such as Texas and Maine.
Can I claim the Kalshi offer as well?
Yes. Kalshi is a separate platform, and new users can get a $25 bonus credit with promo code ODDSCHECKER.
When are the midterms?
Tuesday, November 3, 2026.
Prices are from Polymarket as of October 30, 2026, and change constantly. Polymarket US is a CFTC-regulated exchange. Age and state eligibility rules apply, and promo terms apply. The Polymarket offer is not available in Nevada. Trading event contracts carries a risk of loss. If you or someone you know has a gambling problem, call 1-800-GAMBLER.
