Here's a screenshot from InteractiveBrokers TWS for the near-the-money put and call on the ES Dec '15 Future:

ES future options ATM

The absolute value of the time value, 9.50, makes sense. But why is the percentage value over 180%, regardless of moneyness?

  • $\begingroup$ Don't IB provide any documentation on their fields? $\endgroup$
    – SRKX
    Sep 30, 2015 at 9:08
  • 1
    $\begingroup$ IB's TWS is very nice software, with a lot of features, but there are glitches and bugs sometimes (in my experience). This may be one of those. $\endgroup$
    – nbbo2
    Oct 1, 2015 at 14:50


Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.