Post #2248 by rayvt on the Mechanical Investing board

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Investment Strategies / Mechanical Investing

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No. of Recommendations: 6

7/27/2024: SPY 544.22

7/27/24 was Saturday.
You cannot trust option quotes when the market is closed. The bid/ask are meaningless.
I have seen some CRAZY pre-market quotes that cleared up as soon as the market opened.

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