Story attention decay curve
How long does it take for a news topic to fade from coverage?
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Sample JSON
Specification JSON
Sample as of
0700.HK Tencent Holdings | Hang Seng Index | 2025-10-16 – 2026-10-16 | HKD
- Latest value
- 42 articles
- Period average
- 36 articles
- Period high
- 139 articles
- Period low
- 3 articles
Main chart: new articles per interval (articles), by time since first report of the story
New articles per interval (articles) (Area)
Supporting chart: new sources and follow-up development flags
New sources and follow-up development flags (Line)
Detail: data rows, observation dates and missing-value status for the story attention decay curve
New articles per interval (articles) and New sources and follow-up development flags (Table)
Sample data rows
| Time since first report of the story | New articles per interval (articles) | New sources and follow-up development flags | Data date (sample) |
|---|---|---|---|
| 2025-10-16 | 21 | 85.2 | 2025-10-16 |
| 2025-11-03 | 20 | 99.9 | 2025-11-03 |
| 2025-11-17 | 14 | 91.6 | 2025-11-17 |
| 2025-12-03 | 27 | 100 | 2025-12-03 |
| 2025-12-19 | 13 | 100 | 2025-12-19 |
| 2026-01-02 | 51 | 85.4 | 2026-01-02 |
| 2026-01-20 | 18 | 84.1 | 2026-01-20 |
| 2026-02-05 | 28 | 94.2 | 2026-02-05 |
| 2026-02-23 | 21 | 96 | 2026-02-23 |
| 2026-03-09 | 10 | 85.2 | 2026-03-09 |
| 2026-03-25 | 9 | 89.5 | 2026-03-25 |
| 2026-04-10 | 56 | 88.4 | 2026-04-10 |
| 2026-04-24 | 42 | 86.9 | 2026-04-24 |
| 2026-05-12 | 11 | 87.2 | 2026-05-12 |
| 2026-05-28 | 23 | 80.4 | 2026-05-28 |
| 2026-06-11 | 92 | 79.3 | 2026-06-11 |
| 2026-06-29 | 38 | 91.3 | 2026-06-29 |
| 2026-07-15 | 4 | 87.3 | 2026-07-15 |
| 2026-07-31 | 67 | 87.5 | 2026-07-31 |
| 2026-08-14 | 31 | 95 | 2026-08-14 |
| 2026-09-01 | 14 | 88.7 | 2026-09-01 |
| 2026-09-17 | 139 | 86.3 | 2026-09-17 |
| 2026-10-01 | 31 | 91.6 | 2026-10-01 |
| 2026-10-16 | 42 | 94.9 | 2026-10-16 |