Will Ella Langley be #1 on Spotify's Daily Top Songs USA chart for at least 12 chart days in June 2026
Liquidity-weighted aggregate sits at 38% across 10 Kalshi contracts.
Implied probability
Kalshi
38%
10 contracts
Polymarket
—
not bound
Cross-venue gap
—
single venue
24h move
—
no pin
24h volume
$19K
10 contracts
Closes
Jul 1, 2026
5 days
30-day trend
Bracket families
4 clusters across 10 contracts.
These contracts were grouped by title similarity. The headline aggregate combines all clusters; verify the cluster you actually need before quoting a number.
Cluster 1
Will Ella Langley be #1 on Spotify's Daily Top Songs USA chart for at least
Will Ella Langley be #1 on Spotify's Daily Top Songs USA chart for at least 3 chart days in June 2026?: At least 3 days
KXSPOTIFYNUM1USA-26AUG01-ELL-3
Will Ella Langley be #1 on Spotify's Daily Top Songs USA chart for at least 15 chart days in June 2026?: At least 15 days
KXSPOTIFYNUM1USA-26JUL01-ELL-15
Will Ella Langley be #1 on Spotify's Daily Top Songs USA chart for at least 9 chart days in June 2026?: At least 9 days
KXSPOTIFYNUM1USA-26JUL01-ELL-9
Will Ella Langley be #1 on Spotify's Daily Top Songs USA chart for at least 12 chart days in June 2026?: At least 12 days
KXSPOTIFYNUM1USA-26JUL01-ELL-12
Will Ella Langley be #1 on Spotify's Daily Top Songs USA chart for at least 6 chart days in June 2026?: At least 6 days
KXSPOTIFYNUM1USA-26AUG01-ELL-6
Will Ella Langley be #1 on Spotify's Daily Top Songs USA chart for at least 12 chart days in June 2026?: At least 12 days
KXSPOTIFYNUM1USA-26AUG01-ELL-12
Cluster 2
Will Ariana Grande be #1 on Spotify's Daily Top Songs USA chart for at least
Will Ariana Grande be #1 on Spotify's Daily Top Songs USA chart for at least 12 chart days in July 2026?: At least 12 days
KXSPOTIFYNUM1USA-26AUG01-ARI-12
Will Ariana Grande be #1 on Spotify's Daily Top Songs USA chart for at least 9 chart days in July 2026?: At least 9 days
KXSPOTIFYNUM1USA-26AUG01-ARI-9
Cluster 3
Will Taylor Swift be #1 on Spotify's Daily Top Songs USA chart for at least 3 chart days in June 2026
Cluster 4
Will Olivia Rodrigo be #1 on Spotify's Daily Top Songs USA chart for at least 15 chart days in June 2026
Analysis
This market asks whether Ella Langley will claim the #1 spot on Spotify's Daily Top Songs USA chart for at least 12 days during June 2026. The 26% probability reflects uncertainty about her sustained chart dominance against established competitors like Taylor Swift and Olivia Rodrigo. Chart performance depends on streaming volume, playlist placement, and release timing. Langley's ability to reach 12 chart days would require consistent high streaming momentum throughout the month—her related contract for 6 chart days prices in at 92%, suggesting traders see moderate confidence in her presence but skepticism about extended #1 dominance. The resolution will depend on cumulative daily chart positions tracked by Spotify through month-end, with June's final chart data determining the outcome. Key variables include competing releases from other major artists, the strength of Langley's current promotional cycle, and whether any single release gains sustained streaming strength.
- ›Ella Langley's current streaming trajectory and listener base relative to other top charting artists in June 2026
- ›Release schedule of competing tracks from Taylor Swift, Olivia Rodrigo, and other major artists during June that could displace her from #1
- ›Historical chart persistence: how many days Langley has previously held #1 positions and whether June represents an atypical surge or normal range
- ›Playlist algorithm weighting by Spotify and broader listener engagement metrics that determine daily chart rankings
- ›The gap between her 6-day contract price (92¢) and 12-day price (26¢) suggests traders view reaching double-digit #1 days as a substantial escalation in difficulty
What moved the line
- Jun 23At least 15 days↑40pp3→43¢ · Kalshi
- Jun 24At least 15 days↓33pp43→10¢ · Kalshi
- Jun 24At least 12 days↑31pp11→42¢ · Kalshi
- Jun 19At least 9 days↑25pp37→62¢ · Kalshi
- Jun 25At least 12 days↑25pp42→67¢ · Kalshi
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These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.
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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.
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