This article argues that the temporality of the financial economy ought to be seen as radically synchronistic. "Synchronism" refers to both an epistemological and practical approach that addresses finance neither with a view to the past nor to the future, but is instead focused on the moment...

For a large financial market (which is a sequence of usual, “small” financial markets), we introduce and study a concept of no asymptotic arbitrage (of the first kind) which is invariant under discounting. We give two dual characterisations of this property in terms of (1) martingale-like...

Distributed ledger technologies rely on consensus protocols confronting traders with random waiting times until the transfer of ownership is accomplished. This time consuming settlement process exposes arbitrageurs to price risk and imposes limits to arbitrage. We derive theoretical arbitrage...

We measure the incidence of latency arbitrage for cross-listed stocks around the time of an exogenous shock that made the markets faster. Our sample is from NASDAQ Nordic and consists of Nordic blue chip firms listed and traded in multiple markets. We document a sharp decline in the incidence of...

These lecture notes summarize standard machinery of an advanced course on Mathematics of Arbitrage. This note is based on material developed in a series of papers published in recent years by Prof. Walter Schachermeyer. The notes must be understood as a complementary material to the book of F....