The Seattle Seahawks fell 33-31 to Washington despite 379 yards and four touchdowns from Sam Darnold, as a defense that hadn't allowed a play of 20-plus yards all season surrendered two of them to Terry McLaurin in the loss. Seattle drops to 2-1 but gets a favorable spot at home against the winless Chargers on Sunday, where the Seahawks are 6.5-point favorites.
Washington does not allow legal sports betting apps or daily fantasy contests, but Seahawks fans can still get in on the action through federally regulated prediction markets. Below, we break down the top predictions promo codes available to new users in Washington right now.
Below the promo codes, we've also included updated Seahawks odds pulled straight from RotoWire, covering the team's next game, playoff chances, division and conference odds, and Super Bowl futures.
Top Seahawks Promos in Washington
| Prediction Market | Promo Code | Welcome Bonus |
| Polymarket | ROTOWIRE | Deposit $10, Get a $50 Trading Bonus |
| ProphetX | ROTOWIRE | Trade $10, Get $20 |
| Novig | ROTOWIRE | Deposit $10 or More and Receive $25 in Trade Credits |
| Underdog Predictions | ROTOWIRE | Play the 'Keep Your Million' Survival Game + 50% Deposit Match Up to $1,000 in Bonus Funds |
Washington doesn't allow traditional sportsbooks or daily fantasy contests, so these offers come from CFTC-regulated prediction market platforms and related financial apps; eligibility and age requirements vary by brand, so check each operator's terms before signing up.
Best Seahawks Prediction Market Promos: Polymarket
Polymarket gives new Seahawks bettors in Washington a $50 trading bonus after a $10 deposit using Polymarket promo code ROTOWIRE, a simple way to start trading on Seattle games and outcomes around the NFL.
Best Seahawks Prediction Market Promos: ProphetX
fProphetX matches a $10 trade with another $10 in credit using ProphetX pcomo code ROTOWIRE, giving new users in Washington extra bankroll to build prediction positions around Seahawks games.
Best Seahawks Prediction Market Promos: Novig
Novig gives new users $25 in trade credits after a $10 deposit with Novig promo code ROTOWIRE, another no-cost way for Seahawks fans in Washington to get started with prediction markets this season.
Best Seahawks Prediction Market Promos: Underdog Predictions
New Seahawks bettors in Washington can lock in Underdog's 50% deposit match up to $1,000 by playing the free 'Keep Your Million' survivor game and funding an account with code ROTOWIRE.
Seahawks Odds
Here's a snapshot of the latest Seahawks odds this week, covering the team's next game, playoff outlook, and championship futures. You can find all of these at RotoWire's NFL odds page.
| 🏈 Next Game (vs. Chargers, Sun 10/4): | -350 ML / -7.0 spread / 43.5 total |
| 🏈 Make Playoffs: | -245 |
| 🏈 NFC West Division Winner: | +230 |
| 🏈 NFC Championship Winner: | +580 |
| 🏈 Super Bowl LXI Winner: | +1000 |
The Seahawks head to Arizona in Week 2 as solid favorites on the road against the Cardinals, and Seattle checks in as the second choice to win the NFC West behind the rival Rams. With Darnold settled in and a retooled receiving corps around him, the Seahawks look like one of the more well-rounded teams in the conference heading into 2026.
