crossed markets

Discussion in 'Trading' started by mskl, Oct 16, 2006.

  1. mskl


    Does anyone know why the NBBO for many ETF's seem to be crossed (but untradable)? (I'm looking at IB's quotes for SPY - 136.83 bid 136.80 ask and IWM 76.38 bid 76.35 ask). The INET quotes are untradable. I'm not sure if this is an IB issue or a INET issue (no trade throughs changes)