Nanex Research

Nanex ~ 14-May-2013 ~ MYL

On May 14, 2013 at 14:44:30, the price of the stock of Mylan, Inc (symbol MYL, market cap: $11.4 billion) rocketed about 3% in 1.5 seconds on about 600 trades (110,000 shares). What is unusual about this event, is what happened next: it quickly and actively traded back down 3% in 0.25 seconds on about 250 trades (32,000 shares).

1. MYL - Trades color coded by reporting exchange. Chart shows 5 seconds of time.

2. MYL - Trades color coded by reporting exchange. Zoomed out.

3. MYL - NBBO - gray for normal (bid < ask), yellow for locked (bid = ask), red for crossed (bid > ask).

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