Informed Trading in Stock And Option Markets  

Oleh:

Chakravarty, Sugato ; Gulen, Huseyin ; Mayhew, Stewart

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The Journal of Finance (EBSCO) vol. 59 no. 3 (Jun. 2004), page 1235-1258.
Topik: trading; options markets; securities markets; stock prices; studies; securities trading
Fulltext: p 1235.pdf (136.06KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ88 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

We investigate the contribution of option markets to price discovery, using a modification of Hasbrouch's (1995) "information share" approach. Based on five years of stock and options data for 60 firms, we estimate the option market's contribution to price discovery to be about 17% on average. Option market price discovery is related to trading volume and spreads in both markets, and stock volatility. Price discovery across option strike prices is related to leverage, trading volume, and spreads. Our results are consistent with theoretical arguments that informed investors trade in both stock and option markets, suggesting an important informational role for options.

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