TennisUPCOMING

Live· updated 4s ago

Newport: Mackenzie McDonald vs Adam Walton

Other · July 6, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.000000

Platform Prices — Mackenzie McDonald

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
KalshiBest	2.22	45.0%	$0.45	---	Bet Here
Polymarket	2.15	46.5%	$0.47	+1.5pp	Bet Here

KalshiBest

$0.45

Odds

2.22

Implied

45.0%

Edge

---

Bet Here

Polymarket

$0.47

Odds

2.15

Implied

46.5%

Edge

+1.5pp

Bet Here

All Outcomes

Mackenzie McDonald

Best: 46.5% on polymarket

▲+1.5%

Prediction market is 1.5% cheaper than sportsbooks. Consider buying on PM.

46.5%

45.0%

Adam Walton

Best: 55.0% on kalshi

▲+1.5%

Prediction market is 1.5% cheaper than sportsbooks. Consider buying on PM.

53.5%

55.0%

Aggregate liquidity

across every venue · the only place this number exists

For each outcome, the total fillable capacity if you split across every venue (Polymarket order-book depth + Kalshi order-book depth + Pinnacle / Bet365 / DraftKings stake limits). A whale can't deploy $50k on Polymarket alone without moving the price — but the same $50k splits cleanly across 4 venues at a much tighter aggregate fill price. That's what this panel shows.

Mackenzie McDonald

cheapest single venue: kalshi at 0.450

Retail tier ($5k/venue)

$6.0K@ 0.519 avg

+5.17% vs cheapest single venue

kalshi$5.0K @ 0.493

polymarket$1.0K @ 0.646

What you can deploy retail-sized across every venue without moving a single market.

Sharp tier ($25k/venue)

$26.0K@ 0.688 avg

+6.50% vs cheapest single venue

polymarket$1.0K @ 0.646

kalshi

Arbitrage Opportunity

+1.52%theoretical onlyPAPER

Fillable up to $732

Adam Walton (polymarket, $543) — not enough depth at $543 — fillable up to $398

Outcome	Platform	Odds	Stake	To win
Mackenzie McDonaldthin	kalshi	2.22	$457	$1015
Adam Waltonthin	polymarket	1.87	$543	$1015

Stake the listed amount on each outcome at the matching platform. Whichever outcome wins, the payout covers the full bankroll plus the margin shown. Verify prices before placing — odds drift quickly.

Cross-Platform Edge — Mackenzie McDonald

Spread

1.5pp

polymarket at 46.5% vs kalshi at 45.0%

Expected Value

+3.33%

Per $1 staked at kalshi (2.22) if polymarket's price is fair.

Kelly Stake

2.7%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

polymarket

updated just now

Volume: $47
24h Volume: $47
Liquidity: $2.8K
Open Interest: $47

Resolves: in 7d 11h

Source: https://www.atptour.com/en/scores/current

kalshi

updated just now

Volume: $0
24h Volume: $0
Liquidity: $0
Open Interest: $0

Resolves: in 14d 10h

Settlement Timeline

polymarketin 7d 11h · Jul 13, 2026, 6:30 PM
kalshiin 14d 10h · Jul 20, 2026, 5:55 PM

Capital on each platform stays locked until that market settles. When platforms resolve at different times the earlier one frees up bankroll for the next opportunity.

Price History

Illustrative preview · historical tracking coming soon

Trade This Market

Trade on Polymarket Trade on Kalshi

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