SimpleFunctions

Marcel Granollers / Horacio Zeballos to win the Granollers / Zeballos vs Kirkov / Stevens

Marcel Granollers / Horacio Zeballos is priced at 88¢ on Kalshi. Current book: 81¢ bid, 88¢ ask, 7¢ spread. This outcome ranks #1 of 2 inside KXATPDOUBLES-26MAY29GRAZEBKIRSTE.

Price history

88¢ current

+83¢
0¢25¢50¢75¢100¢
May 27, 2026May 28, 2026

Contract brief

If Marcel Granollers / Horacio Zeballos wins the Granollers / Zeballos vs Kirkov / Stevens professional tennis match in the 2026 French Open Men Doubles Round Of 32 after a ball has been played, then the market resolves to Yes.

Outcome

Marcel Granollers / Horacio Zeballos

Rank

#1 of 2

Leader

Marcel Granollers / Horacio Zeballos 81¢

Range

16¢-81¢

Family volume

$33

Identifier

KXATPDOUBLES-26MAY29GRAZEBKIRSTE-GRAZEB

May 28, 2026, 8:38 PM UTC · 6m ago

Implied probability

88¢
Latest venue quote
May 28, 2026, 8:38 PM UTC · 6m ago

Bid

81¢

Ask

88¢

Spread

24h volume

$33

Family rank

#1 of 2

2 outcomes · KXATPDOUBLES-26MAY29GRAZEBKIRSTE

Closes

Jun 12, 2026

Family volume

$33

Orderbook snapshot

81 / 88¢

Kalshi
7¢ spread
BidSize
81¢20
74¢1.0K
67¢10
38¢141
37¢1.1K
AskSize
88¢12
89¢299
90¢80
95¢52
96¢500

Contract terms

What resolves this market.

YES condition

If Marcel Granollers / Horacio Zeballos wins the Granollers / Zeballos vs Kirkov / Stevens professional tennis match in the 2026 French Open Men Doubles Round Of 32 after a ball has been played, then the market resolves to Yes.

Venue

Kalshi

Closes

Jun 12, 2026

Identifier

KXATPDOUBLES-26MAY29GRAZEBKIRSTE-GRAZEB

SF Signal
SF Index
10720.31
Regime
neutral

Event family

KXATPDOUBLES-26MAY29GRAZEBKIRSTE.

The same race as a probability stack: rank, volume, and where this contract sits against the other outcomes.

Total volume

$33

Outcomes

2

Highest price

Marcel Granollers / Horacio Zeballos 81¢

Current share

100%

Indicators

Yield, cliff risk, volatility, and regime.

IY (Yes)

589.9%

IY (No)

10720.3%

Adj IY

10720%

CRI

4

RV

1645%

VR

5.62

Regime

neutral

Score

0.5

Full indicator table

589.9%
10720.3%
Adj IY
10720%
4
RV
1645%
VR
5.62
IAR
0.4/h

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How we compute these odds

SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.

For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.

Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.