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Live· updated 1m ago

ITF Taipei: Dayeon Back vs Haruka Kaji

Other · June 20, 2026

Best Price

$0.00

Worst Price

$0.00

Max Gap

0.0%

Total Volume

$0.000000

Platform Prices — Dayeon Back

Platform	Decimal Odds	Implied %	Price▲	Edge vs Best	Action
PolymarketBest	1.49	67.0%	$0.67	---	Bet Here
Kalshi	1.46	68.5%	$0.69	+1.5pp	Bet Here

PolymarketBest

$0.67

Odds

1.49

Implied

67.0%

Edge

---

Bet Here

Kalshi

$0.69

Odds

1.46

Implied

68.5%

Edge

+1.5pp

Bet Here

All Outcomes

Dayeon Back

Best: 68.5% on kalshi

▲+1.5%

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

68.5%

67.0%

Haruka Kaji

Best: 33.0% on polymarket

▲+2.0%

Prediction market is 2.0% cheaper than sportsbooks. Consider buying on PM.

31.0%

33.0%

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.

Dayeon Back

cheapest single venue: polymarket at 0.670

Retail tier ($5k/venue)

$6.0K@ 0.702 avg

+0.26% vs cheapest single venue

polymarket$1.0K @ 0.701

kalshi$5.0K @ 0.703

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

Sharp tier ($25k/venue)

$26.0K@ 0.734 avg

+4.74% vs cheapest single venue

polymarket$1.0K @ 0.701

kalshi

Arbitrage Opportunity

+2.04%theoretical onlyPAPER

Stake split for $1,000 bankroll

Dayeon Back (polymarket, $684) — slippage 3.0% — eats into edge

Haruka Kaji (kalshi, $316) — slippage 3.1% — eats into edge

Outcome	Platform	Odds	Stake	To win
Dayeon Backthin	polymarket	1.49	$684	$1021
Haruka Kajithin	kalshi	3.23	$316	$1020

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 — Dayeon Back

Spread

1.5pp

kalshi at 68.5% vs polymarket at 67.0%

Expected Value

+2.24%

Per $1 staked at polymarket (1.49) if kalshi's price is fair.

Kelly Stake

4.5%

Recommended bankroll fraction (capped at quarter Kelly).

Platform Activity

kalshi

updated just now

Volume: $23
24h Volume: $23
Liquidity: $0
Open Interest: $23

Resolves: in 14d 7h

polymarket

updated just now

Volume: $3
24h Volume: $3
Liquidity: $2.3K
Open Interest: $3

Resolves: in 7d 7h

Source: https://www.itftennis.com/en/tournament-calendar/

Settlement Timeline

polymarketin 7d 7h · Jun 28, 2026, 2:00 AM
kalshiin 14d 7h · Jul 5, 2026, 2:00 AM

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 Kalshi Trade on Polymarket

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