all the money flow analysis is provided by tickwatcher.com: For cisco, before the earning report, there are more than 200M positive money flow in for the past 5 trading days, a positive ER reaction was expected: Although money flow is no the only reference for ER betting, but it is definately an important indicator. The tick level money flow provide higher resolution and accuracy for the money flow calculation. Check with other reference before your investment and good luck trading.