Market Facts
Taiwan institutional-flow breadth seasonality
By calendar month, the average share of stocks the three institutional groups were net buyers of versus net sellers of, since 2012 — a market-breadth read on institutional appetite. The signal is mild (~2pp): only December's net-buy share edges above net-sell. Descriptive statistics only, not a forecast.
- as_of
- 2026-06-30
- Sample period
- 2012-05-02 → 2026-06-30
- Rows
- 12
Methodology
Daily breadth = the count of stocks the three institutional groups net-bought that day (net_total > 0) divided by the count of stocks with any net position that day, ×100. The monthly seasonal averages each calendar month's daily breadth within the month, then across years. Placeholder days are excluded; the measure is unit-free (heterogeneous share counts are not summed).
From institutional_flow_items 2012-05 to 2026-06 (~14 years; the floor is 2012-05), latest real month 2026-06 (placeholders excluded). Direction is judged by net share count, not amount. The signal is mild (~2pp): only December's net-buy share exceeds net-sell, October–November are weakest. An amount (NT$) version is a separate wave-2 derived stat.
Data
Download CSV| Month | Net-buy breadth | Net-sell breadth | Years buy>50% | Years |
|---|---|---|---|---|
| Jan | 48.4% | 48.8% | 5 | 14 |
| Feb | 48.6% | 48.7% | 4 | 14 |
| Mar | 48.6% | 48.7% | 4 | 14 |
| Apr | 48.4% | 49% | 5 | 14 |
| May | 48% | 49.4% | 3 | 15 |
| Jun | 47.6% | 49.9% | 4 | 15 |
| Jul | 48.8% | 48.7% | 3 | 14 |
| Aug | 48.6% | 48.7% | 4 | 14 |
| Sep | 48% | 49.2% | 2 | 14 |
| Oct | 47.1% | 50.1% | 2 | 14 |
| Nov | 47.5% | 49.7% | 1 | 14 |
| Dec | 49% | 47.9% | 4 | 14 |
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