ALBUM ANALYTICS

Sour Grapes - EP by NiziU

Currently #54 in Japan

Executive Summary

AI-generated performance analysis

B+

Very Good

This album achieves a B+ (Very Good) chart performance rating, currently ranked #54.

"Sour Grapes - EP" by NiziU is a 5-track album that demonstrates strong chart presence on Apple Music.

The album has spent 162 days on the Top 100 chart and 14 days in the Top 10.

Released on September 28, 2026.

Key Highlights
  • Peak: #8
  • Current: #54
  • 162 days on chart
  • 5 tracks
  • Genre: K-Pop

Key Insights

AI-generated analysis based on chart performance

Exceptional Chart Longevity

With 162 days on the chart (7.7x the average album), this demonstrates sustained audience interest well beyond typical performance.

Top 10 Performer

Reaching #8 demonstrates strong streaming performance, outperforming approximately 80% of all charting albums in this market.

Hot Streak Active

162 consecutive days on the chart (best: 162) demonstrates sustained listener engagement without any gaps in chart presence.

Chart Performance Factors

Key metrics driving this album's chart success

30.166666666666668/40
Overall Score

Chart Performance

9.3/10

Peak position achieved on the album charts

  • Peak position: #8
  • Peak date: Sep 29, 2026
  • 14 days in Top 10
  • Currently ranked #54

Chart Longevity

10/10

Total duration on the album charts

  • 7.7x longer than average album
  • 162 total days on chart
  • 162 max consecutive days

Chart Stability

7/10

Consistency of chart position

  • Very stable chart performance
  • Stability index: 73/100

Current Momentum

3.8666666666666667/10

Recent chart movement trend

  • Trending downward (-5.7 positions/day)
  • Chart position declining
  • Today's change: -2
Overall Performance75%

Solid performance with room for growth in some areas.

Category Benchmark

Performance compared to other charting albums

Top 25%
Peak Position
Top 25%
#8actualvs #8 avg

1.8x higher than avg

Days on Chart
Top 1%
162 daysactualvs 21 days avg

7.7x higher than avg

Days in Top 10
Top 5%
14 daysactualvs 5 days avg

2.8x higher than avg

Stability Index
Top 25%
73/100actualvs 45/100 avg

1.6x higher than avg

Strong performance, outperforming most charting albums content.

Chart History & Insights

Performance over time

Declining
#8
Peak
#54
Current
1
Top 10
13
Top 50

Currently ranked #54. Peak was #8. Ranking is declining. Spent 1 day in Top 10.

Peak reached on Sep 29, 2026

Album Info

Apple Music Reference

Source content being analyzed

Open
Sour Grapes - EP

Sour Grapes - EP

NiziU

Sep 28, 2026
Sour Grapes - EP
On Chart

Sour Grapes - EP

NiziU

5 tracks
9/28/2026
K-Popミュージックポップ

Daily Rank

#54

Japan

All-Time Rank

#249

Score: 5,040

Peak Position

#8

Sep 29

Days on Chart

162

24 weeks

Performance Breakdown
Top 100162 days
Top 1014 days
Top 30 days
#10 days

Current Streak

162d

Best: 162d

Avg Position

#26.8

Last 30 days

7-Day Trend

Falling

34 positions

Stability

Moderate

54/100

Ranking History
Last 15 days performance in Japan
#1#51#100
Sep 28Oct 12
Detailed Statistics
First Charted9/28/2026
Last Charted10/12/2026
Charting Duration15 days
Days to Peak1 days
Days at #10
Days in Top 30
Days in Top 1014
Days in Top 100162
Today's Ranking
#54

in Japan

Change
-2
Date10/12/2026
All-Time Score
5,040

points

Ranked #249 all-time

Album Information
ArtistNiziU
Tracks5 songs
TypeAlbum
Released9/28/2026
GenreK-Pop, ミュージック, ポップ
Recent Rankings
#54
Oct 12
#52
Oct 11
#43
Oct 10
#31
Oct 9
#28
Oct 8
#27
Oct 7
#20
Oct 6
#21
Oct 5
#22
Oct 4
#18
Oct 3
#15
Oct 2
#15
Oct 1
#11
Sep 30
#8
Sep 29

About Rankings

Rankings are based on Apple Music Top 100 charts in Japan. Updated daily.

About This Analytics Report

Official Data

This report is generated by Top1Trend's analytics engine, which tracks Apple Music trending data across 30+ regions since 2024. All metrics are derived from official chart positions via the official Apple Music API.

Data Source
Apple Music API
Last Updated

7 hours ago

Tracking Since

2026-09-28

Region

jp

Official API DataReal-time UpdatesHistorical Archives

Top1Trend is an independent analytics service and is not affiliated with, endorsed by, or sponsored by Apple Music. All trademarks belong to their respective owners. Data accuracy depends on platform API availability and may have slight delays from real-time values.