ResearchBenchmarksOption Pricing Accuracy on SPY 2020Q1 Whole sample 28d maturityFollow1.76IVRMSEJD1.41963.71736.0158.3127Feb 1, 2026Evaluation ResultsMethodMethodLinksIVRMSEJDMaturity=28dMaturity=28d2026.021.76SVMaturity=28dMaturity=28d2026.024.21BSMaturity=28dMaturity=28d2026.027.65RLOPMaturity=28dMaturity=28d2026.028.25QLBSMaturity=28dMaturity=28d2026.0210.27