know a web site for implied volatility changes?


Junior member
32 0
Hey all,

I sometimes find myself wondering why my options contract changed in value when theta is low and the underlying hasn't changed at all. The culprit is usually implied volatility. But what I would like to know by HOW MUCH did it change. My broker, Scottrade, does not provide this info. Does anybody know a site or broker that provides this?


Junior member
21 0
Are you sure that Scottrade does not provide IV in their Options First section? In any case, just Google "implied volatility data" and you will find numerous sources, including brokers.
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