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Equity Return Recall on S&P 500 monthly close-to-close

1Perfect ScoreOpus 4.7
0.950.97511.025May 28, 2026

Evaluation results

MethodLinks
Opus 4.7rho_FF=0.99, n (sample size)=40, Answer Format=Variant-A2026.0511001100
Sonnet 4.6rho_FF=0.99, n (sample size)=40, Answer Format=Variant-A2026.051850.9795
Haiku 4.5rho_FF=0.99, n (sample size)=40, Answer Format=Variant-A2026.051380.5975
GPT-5.4rho_FF=0.99, n (sample size)=40, Answer Format=Variant-A2026.051630.9188
GPT-5.4-minirho_FF=0.99, n (sample size)=40, Answer Format=Variant-A2026.051500.7683
GPT-5.4-nanorho_FF=0.99, n (sample size)=40, Answer Format=Variant-A2026.05180.4360
DeepSeek-V3.2rho_FF=0.99, n (sample size)=40, Answer Format=Variant-A2026.051550.8683
Llama-3.3-70Brho_FF=0.99, n (sample size)=40, Answer Format=Variant-A2026.051450.6865
Llama-3.1-8Brho_FF=0.99, n (sample size)=40, Answer Format=Variant-A2026.05130.2340