Page Is A Duplicate

I have looked at the other help topics on this subject, but they don't appear to answer my problem.

I have lots of pages on my site that have identical content, apart from the file name, as the content is generated from the file name (it looks up stock/share prices, charts etc all from the name).

I assume this is the reason why I get Page Is A Duplicate as an error message. Is there any way round this?

Sphider calculate md5 hash for any page and if they similar, they have same md5 and sphider know they duplicate.

Well, only i can suggest u add to u site pages some sort uniq info, may be invisible on page. It may be some sort random number or full time stamp, so page automatically become unique and sphider should begin index them.

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