Pre-earnings run-up backtest: Microsoft ran up, Amazon did not
Does buying Big Tech stocks before earnings actually work? StratIQ tested the pre-earnings run-up and the post-earnings drift on every quarterly print for Microsoft, Meta and Amazon — 156 prints in total, with earnings dates taken from SEC filings. The verdict: the run-up beat an ordinary week only in Microsoft (+0.95% average, 64.2% win rate over 67 prints since 2010, vs a +0.46% baseline); Meta was flat against its baseline and Amazon trailed its own. Anyone tempted by the calendar trade should care which stock's history they are actually betting on — the slogan hides three very different…
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