14% — Will Billie Eilish have a top 20 song this year
Kalshi 14% · 19 contracts · $16 volume · medium confidence
Updated 2026-08-27 02:11:48 UTC

Why this matters:
This market estimates a 24% chance that Billie Eilish will chart a top 20 song on the Billboard Hot 100 at some point during 2026. As of mid-July, most of the year remains ahead, but Eilish has not yet released major charting material in 2026. The probability reflects uncertainty around her release schedule and commercial performance relative to other artists. Key drivers include whether she has an active album cycle underway, the competitive intensity of the chart in the second half of 2026, and her historical charting consistency. The main resolution catalyst will be any new single releases and their chart performance through the remainder of the year. Currently, low trading volume ($0 in 24h) suggests limited market interest in this specific contract.

Key factors:
- Billie Eilish has not released a major chart-tested single yet in 2026, with no confirmed album release date or lead single announced as of mid-July
- Her previous album cycle (Happier Than Ever, 2021) produced multiple top 20 entries, establishing a baseline for capability but not certainty for every release period
- The chart landscape in H2 2026 will determine difficulty threshold; a crowded field from other major artists could suppress her charting probability
- Trading volume at $0 over 24 hours indicates minimal conviction or disagreement among contract holders about the current 39¢ pricing
- Release timing matters significantly—singles released in late Q4 have less opportunity to accumulate chart weeks and qualify for year-end ranking

Contracts:
- Will Swae Lee have a top 20 song this year?: Swae Lee — 14¢ Kalshi $15 (weight 96%)
- Will Billie Eilish have a top 20 song this year?: Billie Eilish — 41¢ Kalshi $1 (weight 4%)
- Will 2 Chainz have a top 20 song this year?: 2 Chainz — 6¢ Kalshi $0 (weight 0%)
- Will Addison Rae have a top 20 song this year?: Addison Rae — 16¢ Kalshi $0 (weight 0%)
- Will Bebe Rexha have a top 20 song this year?: Bebe Rexha — 9¢ Kalshi $0 (weight 0%)
- Will Benson Boone have a top 20 song this year?: Benson Boone — 13¢ Kalshi $0 (weight 0%)
- Will Beyoncé have a top 20 song this year?: Beyoncé — 52¢ Kalshi $0 (weight 0%)
- Will Big Sean have a top 20 song this year?: Big Sean — 7¢ Kalshi $0 (weight 0%)
- ... and 11 more

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## Methodology

SimpleFunctions aggregates live YES-side prices from Kalshi and Polymarket contracts bound to this question. For binary topics the headline is the liquidity-weighted mid-price (weight = log(1 + 24h volume) × freshness, where freshness is 1.0 if updated <24h, 0.7 if <7d, 0.4 otherwise). For multi-outcome (winner-take-all) topics the headline is the current leader's price — disjoint outcomes are never arithmetically averaged. Snapshots refresh every 5 minutes during market hours.

## SF Signal

- SF Index, regime, and 30d Brier calibration are computed separately and surfaced at https://simplefunctions.dev/admin/calibration.
- No SimpleFunctions index / regime / calibration signal is bound to this topic yet — the headline above is market-derived only.

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*Last verified: 2026-08-27T00:20:53.107Z*

By SimpleFunctions — https://simplefunctions.dev/

Cite as: "14% per prediction markets (SimpleFunctions, August 2026)"
Canonical: https://simplefunctions.dev/answer/20song
Full data: https://simplefunctions.dev/api/public/query?q=Will%20Billie%20Eilish%20have%20a%20top%2020%20song%20this%20year
Provider: SimpleFunctions — https://simplefunctions.dev