Key Reasons that Westpac is a great investment, page-5

Maxsted has been on the board since 2008. Since then, WBC's EPS went from $1.22 (2009) to $2.30 (2018). That's an average growth of 7.3% pa.
In the same time period, ANZ saw an EPS growth of 5.5% ($1.30 in 2009 and $2.12 in 2018) and CBA grew by 5.77% ($3.12 in 2009 and $5.17 in 2018).
We've done the best over these 9 years.

Hartzer has been CEO since 2015. If you measure from FY2015, there has been a EPS growth of -0.8% p.a. ($2.48 in 2015 and $2.30 in 2018). In the same time frame, ANZ has seen growth of -2.1% and CBA has seen a growth of -0.26%.
We've been mid during this time.

Today's overselling is because of ex-div.

Management aren't horrible. Relax.
Share price is going lower because of increased market risk and higher required returns. When the economic situation is more stable, you'll see the price bounce back.