Event returns including dividends around ex-dividend dates

Does looking only at the post-ex-dividend price drop understate the actual total return?

Dividends and shareholder returns DIV-020 Line 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.

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

Latest value
-2.52 %
Period average
3.94 %
Period high
33.8 %
Period low
-13.7 %

Event-window total return

Event-window total return (%) (Line)

Price return comparison

Market-adjusted return (%) (Bar)

Sample size and range

Event-window total return (%) and Market-adjusted return (%) (Table)

Sample data rows

Trading days relative to ex-dividend dateEvent-window total return (%)Market-adjusted return (%)Data date (sample)
2025-10-16 0 0 2025-10-16
2025-11-03 11.26 11.26 2025-11-03
2025-11-17 12.07 12.07 2025-11-17
2025-12-03 9.07 9.07 2025-12-03
2025-12-19 -10.88 -10.88 2025-12-19
2026-01-02 -5.59 -5.59 2026-01-02
2026-01-20 16.53 16.53 2026-01-20
2026-02-05 10.83 10.83 2026-02-05
2026-02-23 0.17 0.17 2026-02-23
2026-03-09 0.43 0.43 2026-03-09
2026-03-25 1.21 1.21 2026-03-25
2026-04-10 9.84 9.84 2026-04-10
2026-04-24 0.76 0.76 2026-04-24
2026-05-12 -3.3 -3.3 2026-05-12
2026-05-28 -2.93 -2.93 2026-05-28
2026-06-11 -5.99 -5.99 2026-06-11
2026-06-29 -5.67 -5.67 2026-06-29
2026-07-15 -5.4 -5.4 2026-07-15
2026-07-31 2.32 2.32 2026-07-31
2026-08-14 27.22 27.22 2026-08-14
2026-09-01 13.05 13.05 2026-09-01
2026-09-17 -0.83 -0.83 2026-09-17
2026-10-01 2.8 2.8 2026-10-01
2026-10-16 -2.52 -2.52 2026-10-16