| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
â–¶Mercury | +1.5 49%56% | O 178.5 53%50% | 48%47% | 48% Kalshi |
â–¶Sparks | -1.5 51%44% | U 178.5 47%50% | 53%54% | 54% Polymarket |
| Spread | Total | Moneyline | Best ML | |
|---|---|---|---|---|
â–¶Phoenix Mercury | +1.5 | O 178.5 | 48% Kalshi | |
â–¶Los Angeles Sparks | -1.5 | U 178.5 | 54% Polymarket |
Los Angeles is the narrowest kind of home favorite in the Mercury vs Sparks market, priced at 52.5c on average (53c Kalshi, 52c Polymarket) against Phoenix at 49c on both books. That is a coin flip with the home floor as the only tiebreaker, and it is a reversal: Phoenix held the 52c side on Kalshi earlier in the session before the two prices crossed. The Sparks are 12-19 overall and 5-10 at home, the Mercury are 12-22 and 7-12 on the road, and Los Angeles leads the season series 2-1.
Two 12-win teams meet at Galen Center on Tuesday, August 11, 2026, and the prediction market treats it as one of the tightest games on the WNBA board. Los Angeles trades at 52.5c on the moneyline against Phoenix at 49c, with roughly $11.4K of volume on the game split across Kalshi and Polymarket. The live board above carries the current prices; what follows is what is setting them.
The Sparks arrive at 12-19 overall and 5-10 at home after a 84-78 home loss to Golden State on August 9. They are 2-4 across their last six, with a 106-101 win at Portland on August 2 and an 89-82 win at Minnesota on August 7 wedged between losses to New York, Chicago and Golden State. Nneka Ogwumike carries the offense at 17.1 points and 8.8 rebounds per game, and Erica Wheeler is the primary distributor at 5.4 assists.
Phoenix comes in on a three-game losing streak at 12-22 overall and 7-12 away from home. The most recent result was a 95-75 loss at Washington on August 9, a game where the market had the Mercury at 47c as a road underdog, and that followed a 75-72 loss at Connecticut on August 7 and a 96-82 loss at Atlanta on August 5. Tuesday makes it a third straight road underdog price for Phoenix. Kahleah Copper leads the Mercury at 20.6 points per game and Alyssa Thomas is the engine at 14.8 points, 7.4 rebounds and 8.2 assists.
The season series is why the moneyline sits this close to even despite the four-game gap in the loss column. Los Angeles won both meetings in Phoenix, 97-88 on May 22 and 111-102 on June 14, and Phoenix answered with an 86-82 win in Los Angeles on July 22. The road team has won all three. Price movement on Tuesday has run one way: the earliest Kalshi snapshot in the current series had Phoenix at 52c and Los Angeles at 49c, and the two have since crossed to 49c and 53c. The sportsbook market shows the same flip, with Phoenix listed as the favorite at open and Los Angeles now the -1.5 side at -122.
The two exchanges agree on this one. Kalshi and Polymarket are 1c apart on Los Angeles and identical at 49c on Phoenix, so there is no meaningful cross-platform disagreement to read on the moneyline. The wider gap sits on the total, where Polymarket is 2c above Kalshi on the 181.5 line.
The spread ladder puts Los Angeles -1.5 at 50c on Kalshi and Phoenix -1.5 at 45.5c (45c Kalshi, 46c Polymarket). A 50c price on the home short side says the market considers this closer to a pick than the 52.5c moneyline implies once the hook is applied. Step further out and the ladder decays quickly: Los Angeles -3.5 trades at 41c against Phoenix -3.5 at 39c, and Los Angeles -6.5 at 35c against Phoenix -6.5 at 30c. Both tails are minority outcomes, with Los Angeles holding a 5c edge on the two-possession win.
The total is bracketed between 179.5 and 181.5. Polymarket has the 179.5 over at 51c and the 180.5 over at 49c, which pins the market number at roughly 180. The 181.5 over trades at 46c across both books (45c Kalshi, 47c Polymarket), and the Kalshi over ladder runs from 53c at 178.5 down to 40c at 184.5. That number is set below series precedent: the three head-to-head meetings this season produced 185, 213 and 168 combined points, an average of 188.7, and Los Angeles has scored 106 or more twice since July 29. Kalshi also lists team totals on both sides, with the Phoenix and Los Angeles ladders both clustered near 49c across the 78.5 through 102.5 range, and a first-half total ladder from 82.5 to 100.5.
The player prop board is Polymarket-led and thinly quoted. The listed lines include Alyssa Thomas at 15.5 points, 7.5 and 8.5 rebounds, and 7.5 and 8.5 assists, Kelsey Plum at 19.5 points, and on the Sparks side Nneka Ogwumike at 15.5 points and 8.5 rebounds, Dearica Hamby at 13.5 points, Rae Burrell at 14.5 points and Erica Wheeler at 4.5 and 5.5 assists. Several of those legs carry no two-sided quote, so treat the lines as information about where the books set expectations rather than as tradeable prices.
The market resolves on the final score at Galen Center in Los Angeles on Tuesday, August 11, 2026, with tipoff at 10:00 pm ET. The moneyline pays the team that wins the game, the spread contracts settle against the final margin, and the total settles on combined points including any overtime. Kalshi and Polymarket both close the game markets at tipoff and settle once the WNBA posts the official final.
The favorite flip: Phoenix opened as the nominal favorite and Los Angeles has traded up to 53c on Kalshi, a full crossover inside one session.
Home floor versus road form: Los Angeles is 5-10 at home while Phoenix is 7-12 on the road, and the road team has won all three meetings this season.
Phoenix skid: the Mercury have lost three straight, including 95-75 at Washington on August 9 as a 47c underdog.
Total set under precedent: the market number is roughly 180 against a 188.7 average across the three head-to-head games this season.
Tight two-book agreement: Kalshi and Polymarket sit 1c apart on Los Angeles and level at 49c on Phoenix, so the price is a consensus read rather than a one-venue quote.
Standings stake: both teams hold 12 wins, and the loser falls further behind in a playoff chase where Phoenix already carries three more losses.
Phoenix was priced at 47c in the Mercury at Mystics market on August 9 and lost 95-75, the second leg of the road stretch that set up this price. Los Angeles was the home side in the Valkyries at Sparks market the same night and lost 84-78. The other close game on the Tuesday slate is the Mystics at Aces market, and the full slate of cross-platform game and futures prices sits on the WNBA hub.
This market resolves on the outcome of the Phoenix Mercury at Los Angeles Sparks game at Galen Center in Los Angeles on Tuesday, August 11, 2026, scheduled for 10:00 pm ET. The moneyline contract for each team pays $1 per share if that team wins the game and $0 otherwise; there are no draws in the WNBA, so overtime decides any tie in regulation. Spread contracts settle against the final margin of victory, and total and team-total contracts settle on points scored in the completed game including overtime. First-half contracts settle on the score at halftime. Kalshi and Polymarket both close trading at tipoff and settle once the WNBA publishes the official final box score. If the game is postponed or canceled and not completed by the platform deadline, each venue voids or extends per its own rules.
As of August 11, 2026, Los Angeles is the 52.5c favorite on average (53c Kalshi, 52c Polymarket) and Phoenix is 49c on both books. That is an implied win probability of roughly 53% for the Sparks.
Los Angeles is the home favorite at 52.5c, but only barely. Phoenix held the 52c side on Kalshi earlier in the session before the two prices crossed, and the sportsbook market had Phoenix as the favorite at open before settling on Los Angeles -1.5.
Both Kalshi and Polymarket list the moneyline, with roughly $11.4K of combined volume on the game. Kalshi carries the deeper alt ladder, including spreads out to -12.5, team totals and first-half markets, while Polymarket carries most of the player props.
Los Angeles -1.5 trades at 50c on Kalshi and Phoenix -1.5 at 45.5c across both books. The total is bracketed near 180, with the Polymarket 179.5 over at 51c and the 181.5 over at 46c.
It settles on the final score at Galen Center on Tuesday, August 11, 2026, with tipoff at 10:00 pm ET. Trading closes at tip and both platforms settle once the WNBA posts the official final.
Watch whether the Kalshi moneyline holds the crossover at 53c or drifts back toward Phoenix, and watch the total: the market number near 180 sits well under the 188.7 average from the three meetings this season.