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Augustin Lefèvre

4 papers hereh-index 6411 citations13 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author2
  • middle author2

Across the 4 of 4 papers where every author was matched, so the position is known.

fields
  • cs.SD1
  • math.OC1
  • q-fin.ST1
  • stat.ML1

identity via Semantic Scholar / OpenAlex

activity
20082014
most citedStock price jumps: news and volume play a minor role

86 citations · 93 across the 4 of their papers we have counts for

collaborators
Showing q-fin.STShow all

1 paper · 1 filter

q-fin.ST2008★ 86 cited

Stock price jumps: news and volume play a minor role

Armand Joulin, Augustin Lefevre, Daniel Grunberg +1

In order to understand the origin of stock price jumps, we cross-correlate high-frequency time series of stock returns with different news feeds. We find that neither idiosyncratic…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.