Options Message Board - Msg: 12519359

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Strategies & Market Trends : Options

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To: RoseCampion who wrote (867)	1/10/2000 8:28:00 AM
From: RocketMan	Read Replies (2) of 8096

Looks like others found the same problem, eh? That analysis pack fixed the problem for me. Rose, I have a general question about options quotes. Since many strike prices are thinly traded, when the underlying goes up or down but there is no action in the option, who changes the b/a? Are the MMs who make the changes, or is the b/a reflect the latest b/a put in by buyers/sellers even if no transaction hapened, or is this done automatically according to some formula? Also, the quotes brought up by most portfolio managers are last sale, which might be quite different than the b/a. Is there any way to update a portfolio for b/a without doing it manually?

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