https://etherpoc.com/en/tags/is/oos/Recent content in IS/OOS on FX Backtest DiaryHugoenTue, 21 Jul 2026 00:00:00 +0000https://etherpoc.com/en/posts/hypothesis-rounds/Tue, 21 Jul 2026 00:00:00 +0000https://etherpoc.com/en/posts/hypothesis-rounds/<p>I rebuilt the edge-hunting process from scratch and ran three rounds, fourteen hypotheses. Final score: zero wins, fourteen losses. A shutout. And I still rate it the strongest search method I have ever used, because every loss meant something, and because immediately afterward the same framework produced its first genuine survivor.</p>https://etherpoc.com/en/posts/stock-crash-buying/Tue, 21 Jul 2026 00:00:00 +0000https://etherpoc.com/en/posts/stock-crash-buying/<p>This all started with a reader-style request: test the idea of buying stocks that fell hard during the week at Friday&rsquo;s close, then selling into the rebound once the market calms down. The verdict up front: the hypothesis was rejected, but it failed in the most instructive way possible. Buying crashes turned out to be right, and only the Friday part was wrong. Seven studies later (research notes 247 through 253), one crash-buying rule stood confirmed across 21 years and every market regime in the data.</p>