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Trading activity before and after stock splits

Does trading activity actually increase after a stock split?

Corporate events and insiders EVT-016 Bar Sample

Sample data. Every number, symbol and holding on these pages is generated sample data dated 2026-10-16, used only to illustrate layout and method for educational and informational purposes. It is not market data, backtest output or a forecast, and the analytics described in the specifications are not running.

Download CSV Sample JSON Specification JSON Sample as of

0700.HK Tencent Holdings | Hang Seng Index | 2025-10-16 – 2026-10-16 | HKD

Highest item: Pre-event
28.29 %
Lowest item: Post-event
14.27 %
Average
18.83 %
Number of items
4 items

Main chart: approximate change in turnover before vs. after (%), by pre- and post-event window

Approximate change in turnover before vs. after (%) (Bar)

Supporting chart: share volume and daily range

Share volume and daily range (Line)

Detail: data rows, observation dates and missing-value status for trading activity before and after stock splits

Approximate change in turnover before vs. after (%) and Share volume and daily range (Table)

Sample data rows

Pre- and post-event windowsApproximate change in turnover before vs. after (%)Share volume and daily rangeData date (sample)
Pre-event 28.29 3777 2026-10-16
Post-event 14.27 22795 2026-10-16
Share-adjusted 16.76 4080 2026-10-16
Turnover change 15.99 18995 2026-10-16