In-sample vs out-of-sample performance

Does the strategy still work outside the sample it was designed on?

Quant strategies and backtests QNT-007 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: Sample A
29.9 %
Lowest item: Sample C
-12.65 %
Average
9.84 %
Number of items
8 items

In-sample vs out-of-sample performance

Annualized return (%) (Bar)

Benchmark / after-cost return (%)

Benchmark / after-cost return (%) (Line)

Event detail and data date

Annualized return (%) and Benchmark / after-cost return (%) (Table)

Sample data rows

Symbol/event/scenarioAnnualized return (%)Benchmark / after-cost return (%)Data date (sample)
Sample A 29.9 2.21 2026-10-16
Sample B -3.52 4.67 2026-10-16
Sample C -12.65 1.47 2026-10-16
Sample D 0.62 3.02 2026-10-16
Sample E 20.9 4.38 2026-10-16
Sample F 17.97 8.54 2026-10-16
Sample G 1.86 6.53 2026-10-16
Sample H 23.61 14.55 2026-10-16