Fast, accurate and arbitrage-free volatility surface fitting remains a core challenge for options desks. Fabrice Deschâtres presents convex volatility interpolation (CVI), a framework that casts the ...
Anthropic’s Claude Opus 4.6 introduces "Adaptive Thinking" and a "Compaction API" to solve context rot in long-running agents. The model supports a 1M token context window with 76% multi-needle ...
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