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What exactly is a contract's "trading class"?

Web searches for this are drowned in pages offering trading courses, and the InteractiveBrokers API doesn't expand at all on the term. So what are contract trading classes, and what are some examples,...
Gascoyne's user avatar
  • 527
0 votes
1 answer
357 views

Implied volatility for American options- time to expiration?

I am trying to compute the implied volatility of the OBM contract (on Euronext), using R, and I was wondering if, for the time to maturity, I should put the time until the contract expires or the time ...
Narjems's user avatar
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