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Emanuel Derman and Iraj Kani

7 Pith papers cite this work. Polarity classification is still indexing.

7 Pith papers citing it

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2026 7

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The P behind Q: Empirical Evidence from Physical Drift in Put-Call Parity

q-fin.GN · 2026-05-12 · unverdicted · novelty 5.0 · 4 refs

Empirical study of index-option carry gaps finds that a fitted physical-drift term in a GBM improves the description of put-call parity wedges, interpreted as evidence that physical measures affect the capital-using arbitrage process.

Non-unique time and market incompleteness

q-fin.TR · 2026-04-26 · unverdicted · novelty 5.0

Non-unique time arising from event-driven order flow points to a foundational market incompleteness beyond usual no-arbitrage assumptions.

Option prices from operational-time reaction-boundary lattices

q-fin.PR · 2026-06-08 · unverdicted · novelty 4.0

Derives a generalized European option pricing PDE from an operational-time log-price lattice with state-dependent transitions that converges to the Black-Scholes-Merton PDE under risk-neutral drift and constant volatility.

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