S5/10Economic
Sell in May Proves to Be a Losing Trade in US Stocks
S&P 500 set to gain for a ninth straight week as AI trade powers on.
29 May 2026, 10:17 UTCSource: Bloomberg Markets
⚠️ This is a probabilistic forecast, not a guarantee. Accuracy is measured only on resolved scenarios; monitor confirmation indicators below.
A
Escalation— 26% model probability
Confirmation indicators
- ◆1) Continued upward trend of the AI
- ◆related index (e.g., Nasdaq AI Index). 2) Significant increase in trading volume on major stock exchanges.
Horizon: 21–42 days
B
Status quo— 54% model probability
Confirmation indicators
- ◆1) Continued upward trend of the AI
- ◆related index (e.g., Nasdaq AI Index). 2) Significant increase in trading volume on major stock exchanges.
Horizon: 21–42 days
C
De-escalation— 20% model probability
Confirmation indicators
- ◆1) Continued upward trend of the AI
- ◆related index (e.g., Nasdaq AI Index). 2) Significant increase in trading volume on major stock exchanges.
Horizon: 21–42 days