Based on the picture below why is this stock undervalued or overvalued?

P/E Band - Valuation (PEBD):

WMT US Equity Export- Settings Equity Relative Valuation Comp Source BICS Best Fit (Algo) Region Global Mkt Cap > Curr USD vs Comps Group Dynamics vs Self Price Bands Valuation Metric Bands Current 2Yr Avg Band (x) Avg+x Avg-x Est (USD) Metric Current Price LTM P/E LTM P/BV LTM P/CF LTM P/S 3M 6M 1Yr 2Yr 5Yr 10Yr 12M Fwd Implied Price a 2Yr Avg Avg+x Avg-x 118.91 118.91 118.91 108.95 118.77 99.12 110.64 124.55 96.73 97.86 109.03 86.69 108.63 127.59 89.67 O 23.9x 4.7x 13.7x 0.7x 21.1x 4.0x 10.5x 0.6x 1.9 0.5 1.2 0.1 23.0x 4.5x 11.7x 0.7x 19.2x 3.5x 9.3x 0.5x 5.17 27.82 9.31 189.58 Price Bands Based On LTM PE Chart Table Track Annotate Zoom M 120 Px = 118.91 (Actual) @ P/E of 23.9x Px = 123.63 @ P/E of 24.9x IPX = 114.19 @ P/E of 23x Px = 104.75 @ P/E of 21.1x IPx = 95.3 @ P/E of 19.2x PX = 85.86 @ P/E of 17.3x Nov Jan Feb Mar Apr May Jun Jul Aug Sep Dec 2017 Oct Nov Dec Jan Feb Mar Apr May Jun 2019 Jul Aug Sep Oct Nov 2018 Suggested Functions DRSK Assess a company's risk health GP Chart securities & technical studies WMT US Equity Export- Settings Equity Relative Valuation Comp Source BICS Best Fit (Algo) Region Global Mkt Cap > Curr USD vs Comps Group Dynamics vs Self Price Bands Valuation Metric Bands Current 2Yr Avg Band (x) Avg+x Avg-x Est (USD) Metric Current Price LTM P/E LTM P/BV LTM P/CF LTM P/S 3M 6M 1Yr 2Yr 5Yr 10Yr 12M Fwd Implied Price a 2Yr Avg Avg+x Avg-x 118.91 118.91 118.91 108.95 118.77 99.12 110.64 124.55 96.73 97.86 109.03 86.69 108.63 127.59 89.67 O 23.9x 4.7x 13.7x 0.7x 21.1x 4.0x 10.5x 0.6x 1.9 0.5 1.2 0.1 23.0x 4.5x 11.7x 0.7x 19.2x 3.5x 9.3x 0.5x 5.17 27.82 9.31 189.58 Price Bands Based On LTM PE Chart Table Track Annotate Zoom M 120 Px = 118.91 (Actual) @ P/E of 23.9x Px = 123.63 @ P/E of 24.9x IPX = 114.19 @ P/E of 23x Px = 104.75 @ P/E of 21.1x IPx = 95.3 @ P/E of 19.2x PX = 85.86 @ P/E of 17.3x Nov Jan Feb Mar Apr May Jun Jul Aug Sep Dec 2017 Oct Nov Dec Jan Feb Mar Apr May Jun 2019 Jul Aug Sep Oct Nov 2018 Suggested Functions DRSK Assess a company's risk health GP Chart securities & technical studies