According to The Kobeissi Letter, S&P 500 futures dropped by 1.5% following recent economic data, confirming the effectiveness of short positions initiated above the 5500 level. The Kobeissi Letter reported that their premium members were alerted to take short trades as the index rallied past 5500, positioning them advantageously for the current market downturn. Traders monitoring this alert would have benefited from the sharp decline, highlighting the importance of timely market intelligence for S&P 500 futures trading (Source: The Kobeissi Letter, Twitter, April 30, 2025).