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To: Arthur Tang who wrote (3051)3/26/1998 3:31:00 PM
From: Arthur Tang  Respond to of 21143
 
1 minute charts are finer than 5 minute Quote.com charts(separates the trades better); but if you look at bid and ask quotes, it is quite different. To look at previous days, you can look at the Yahoo big 3 month chart which tells you, volume, high, low and close for each day. The bid and ask price quotations of various market makers are not in the chart; because it is real trades and the whole range of real trades. Some bid and ask prices never were traded.