| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
â–¶Sky | +9.5 51%50% | O 166.5 53%53% | 21%21% | 21% Kalshi |
â–¶Valkyries | -9.5 49%50% | U 166.5 47%47% | 49%50% | 50% Polymarket |
| Spread | Total | Moneyline | Best ML | |
|---|---|---|---|---|
â–¶Chicago Sky | +9.5 | O 166.5 | 21% Kalshi | |
â–¶Golden State Valkyries | -9.5 | U 166.5 | 50% Polymarket |
Golden State is the 80c home favorite over Chicago at Chase Center on August 12, 2026, and the two books agree to the cent on both sides (Valkyries 80c, Sky 21c). The Valkyries are 23-9 overall and 13-4 at home on a four-game win streak; the Sky are 12-21 and 4-12 on the road. The spread is Golden State -9.5 at 49.5c and the total is 166.5. Roughly $97K has traded across the board.
Golden State is the 80c home favorite and the books agree to the cent: Kalshi prints 80c on the Valkyries and Polymarket prints 80c, with Chicago at 21c on both. That exact-match pricing is backed by a record gap that supports it. Golden State is 23-9 overall and 13-4 at Chase Center, while Chicago is 12-21 and 4-12 away from home. The Valkyries have won four straight and the Sky have lost three of their last four, and roughly $97K of combined volume has traded without pulling the moneyline off 80c.
Golden State entered the WNBA as a 2025 expansion team, finished that debut season 23-21, and became the first expansion franchise to reach the playoffs in its first year. The 2026 team already has 23 wins through 32 games, and the market has repriced it accordingly. Golden State was a 69c road favorite at Los Angeles on August 9 and won that game 84-78. Moving the same roster back home, where it is 13-4, lifts the number 11c to 80c.
The form behind the price is unambiguous. Golden State beat Toronto 96-79 on August 3, beat Toronto again 92-81 on August 5, won 94-76 at Dallas on August 8, then closed the trip at Los Angeles. Gabby Williams leads the team at 14.7 points per game, Veronica Burton runs the offense at 5.7 assists and 12.3 points per game, and Kayla Thornton leads the glass at 5.1 rebounds per game.
Chicago arrives on a steep step up in opposition. The Sky were in a near pickem against Seattle on August 10 and lost 97-88, and before that they lost 90-86 at home to Indiana on August 8. Kamilla Cardoso is the reason Chicago is not a pure fade at 21c: she averages 14.4 points, 8.7 rebounds and 1.5 blocks per game and leads the Sky in both scoring and rebounding. Natasha Cloud leads the team at 4.9 assists per game. The 4-12 road record is what separates a 21c dog from a 30c dog.
The moneyline has barely moved. Golden State opened at 82c on Kalshi on August 11 and sits at 80c, a 2c drift toward Chicago across a full day of trading, with $34.7K of volume on the Valkyries side and $19.1K on the Sky side. This is not a board waiting on news. The 80c price is the settled read, and the 80c/21c pair carries the normal two-sided pricing friction rather than a disagreement between the books.
The spread is the more interesting instrument here. Golden State -9.5 trades at 49.5c (49c Kalshi, 50c Polymarket), a true coin flip, and it matches the sportsbook line of -9.5. The ladder around it is priced cleanly: Golden State -1.5 at 77c, -3.5 at 71c, -6.5 at 62c, -12.5 at 39c, -15.5 at 29c and -18.5 at 22c. On the other side, Chicago -1.5, which is the Sky winning outright by 2 or more, trades at 19c, and Chicago -6.5 trades at 10c.
The total sits at 166.5 with Over at 51.5c (52c Kalshi, 51c Polymarket). Polymarket carries a tighter ladder around the number: Over 164.5 at 57c, Over 165.5 at 55c and Over 167.5 at 50c. Kalshi runs a wider Over ladder from 151.5 at 84c down to 175.5 at 31c. The sportsbook total opened at 164.5 and closed to 167.5, so the scoring expectation has climbed 3 points while the moneyline held flat, which is the cleanest signal on this board.
The derivative markets add texture. Golden State to win the first half by more than 9.5 trades at 47c, and Chicago to lead at the break by more than 1.5 trades at 26c. Polymarket carries the player props: Cardoso over 8.5 rebounds at 52c, Burton over 6.5 assists at 42c and Cloud over 3.5 rebounds at 37c. The Cardoso rebounding number is the prop most directly tied to the game script, since a Chicago team trailing by double digits shoots more and creates more defensive boards for its center.
The game tips at 10pm ET on August 12, 2026 at Chase Center in San Francisco, and every market on the board settles once it goes final. The moneyline pays the winner, the spread settles on the final margin, and the total settles on combined points including any overtime. Both Kalshi and Polymarket settle from the official league box score, typically within minutes of the final buzzer.
Home split: Golden State is 13-4 at Chase Center and Chicago is 4-12 on the road, the single largest input into the 80c price.
Cardoso workload: Kamilla Cardoso at 14.4 points, 8.7 rebounds and 1.5 blocks per game is Chicago's only route to the 21c outcome.
Valkyries streak: four straight wins, including 94-76 at Dallas and 84-78 at Los Angeles, both on the road.
Spread pricing: Golden State -9.5 at 49.5c is the actual coin flip on this board, not the moneyline.
Total drift: the number moved from 164.5 to 167.5 at the book while the moneyline held at 80c, so the market repriced pace rather than outcome.
Cross-platform agreement: Kalshi and Polymarket both print 80c on Golden State and 21c on Chicago, so there is no pricing divergence to read into.
The WNBA hub carries every live game board plus the season-long markets. For the two rosters here, the Golden State Valkyries page tracks the home team's remaining schedule and the Chicago Sky page tracks the Sky's. For an award market on the same league, the Best WNBA Player ESPY prices the individual side of the season, and the broader basketball category covers the NBA and college boards alongside it.
The moneyline resolves to the team that wins the game at Chase Center in San Francisco on August 12, 2026, with tipoff scheduled for 10pm ET. Each winning contract pays $1 per share and the losing side settles at $0. The spread settles on the final margin, so Golden State -9.5 pays only if the Valkyries win by 10 or more points, and the total settles on combined final points, so Over 166.5 pays at 167 combined points or more. Overtime counts toward the final score for the spread, the total and the team totals. First-half markets settle on the halftime score only. Both Kalshi and Polymarket settle from the official WNBA box score once the game is final. If the game is postponed past its scheduled date or canceled, contracts void and refund under each platform's published game rules.
As of August 12, 2026, Golden State trades at 80c on both Kalshi and Polymarket and Chicago trades at 21c on both books, an implied read near 80% for the Valkyries.
Golden State, at 80c. The Valkyries are 23-9 overall and 13-4 at home on a four-game win streak, while Chicago is 12-21 overall and 4-12 on the road.
Golden State -9.5 trades at 49.5c (49c Kalshi, 50c Polymarket) and the total is 166.5 with Over at 51.5c as of August 12, 2026. The sportsbook total moved from 164.5 up to 167.5.
Kalshi and Polymarket both list the game. Kalshi carries the deeper spread and total ladders, from Golden State -1.5 at 77c out to -21.5 at 16c. Polymarket carries the player props, including Kamilla Cardoso over 8.5 rebounds at 52c.
It resolves after the 10pm ET tipoff on August 12, 2026 at Chase Center. Watch the first-half spread, where Golden State to lead by more than 9.5 at the break trades at 47c, as the fastest read on whether the -9.5 side is live.