CDNA's Q2 earnings beat expectations had a negative impact on short-term trading, with significant losses in the immediate aftermath. The 3-Day win rate was 25%, the 10-Day win rate was 12.5%, and the 30-Day win rate was 12.5%, indicating that the stock was more likely to decline than rise in the short term following the earnings release. The maximum return observed was -1.02%, suggesting that the downside risk outweighed any potential gains in the short term. The maximum return day was recorded on day 76, further emphasizing the negative impact of the earnings beat expectations on short-term trading in CDNA.