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Quantitative Finance · Glossaire

Qu'est-ce que « Off-channel communication » ?

Definition 30.4 Research, Data and Risk Platforms · Chapitre 30 — Surveillance and Compliance Technology

An off-channel communication is a business communication on a channel the firm does not capture — a personal phone, a consumer messaging application — and is therefore missing from its archive.

lexiconmessages flaggedpointers found (of 25)conversations (of 40)
broad (single words)4641010
narrow (phrases)101010
Table 30.1. A quarter’s archive of 252 025 messages searched with two lexicons: single words (whatsapp, signal, my cell, …) or phrases that move a conversation. The narrow lexicon finds the same ten pointers with none of the broad one’s 454 false hits; neither finds the fifteen pointers phrased otherwise ("ping me on the other app"), and no lexicon can find the fifteen conversations that left no trace.
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