<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>WeiMind Research · en</title><link>https://weimind.hk/en/research/</link><description>Turn trading ideas into testable rules.</description><language>en</language><item><title>Why can a good backtest fail in live trading?</title><link>https://weimind.hk/en/research/backtest-live-gap/</link><guid isPermaLink="true">https://weimind.hk/en/research/backtest-live-gap/</guid><pubDate>Tue, 13 Oct 2026 16:00:00 GMT</pubDate><description>A backtest calculates a historical outcome under assumptions. It does not establish future profitability. Investigate whether the information was available at the time, whether orders could fill as assumed, and whether repeated parameter selection has contaminated the test period.</description></item><item><title>Signals, orders, fills and outcomes: why record them separately?</title><link>https://weimind.hk/en/research/signals-orders-fills/</link><guid isPermaLink="true">https://weimind.hk/en/research/signals-orders-fills/</guid><pubDate>Tue, 13 Oct 2026 16:00:00 GMT</pubDate><description>A signal is a rule condition. An order is an execution instruction. A fill is the actual executed price and quantity. An outcome includes costs. Recording each stage separately helps locate problems in the idea, risk controls, execution or holding period.</description></item><item><title>ATR 25 to 32: what does a 69% backtest profit increase mean?</title><link>https://weimind.hk/en/research/parameter-sensitivity/</link><guid isPermaLink="true">https://weimind.hk/en/research/parameter-sensitivity/</guid><pubDate>Tue, 13 Oct 2026 16:00:00 GMT</pubDate><description>The founder’s research record reports net profits of 97,450 for ATR 25 and 164,950 for ATR 32, a relative difference of approximately 69.3%. The larger number alone does not establish a more robust strategy.</description></item></channel></rss>