I tried to answer this in my earlier response. I have no problem with daily closing prices. It's the steady stream quote, which ties up bandwidth and usually costs money, that I think is unnecessary here.
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Many shall be restored that are now fallen, and many shall fall that are now in honor. Horace
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Price is a crazy and incalculable thing, while Value is an intrinsic and indestructible thing. G.K. Chesterton