Interesting price disparity to Chi-x (showing at 47.5 to 50.5...

Interesting price disparity to Chi-x (showing at 47.5 to 50.5 for ASX).
I foolishly had an old sell order at 0.46 (back from when it was perpetually rangebound between 44 - 46), which was taken out on the way through

My guess, this run up is due to ADI ad AQR recently had a bit of an uptick, therefore the NTA of APD is probably closer to ~40 at present (therefore, share price should reflect +3c from the H12019 result = 47c for same vaulation (without any increase in EPS). Sorry this might be a basic valuation, but for such an asset-rich business like APD, (or TGP, CMW etc) the underlying NTA is as big a factor as the EPS.