Major US exchanges are set to open normally today and say they're not affected by the Crowdstrike outage.
I fear secondary effects. So much of the liquidity in global markets is powered by algos and if those are affected or shut off as a precaution today then bid-ask spreads could blow out.
ZeroHedge reports that Spread between bid and ask yields on the two-year UK bond briefly widened as much as 15 basis points. We could be seeing more of that today in stocks, bonds and FX, with stops being triggered as a result.