I am trying to work out how you got short the dollar without increasing the number of pounds.
You must have increased the number of pounds by selling dollars short.
You have bought US stocks on margin and will be charged usd interest so sell the pounds for dollars by hitting the bid of gbpusd. You will have paid the margin loan off and be long us stocks in usd and flat gbp. If the dollar continues higher against the pound then you will make money on the...
You can get the individual months for free at www.quandl.com then just take one from the other to get the spread.
Edit:
https://www.quandl.com/data/CHRIS/CME_S2-Soybean-Futures-Continuous-Contract-2-S2...
https://www.elitetrader.com/et/threads/any-hedge-fund-analysts-in-nyc-jersey-area.331835/#post-4845094
Should be deleted. This site will turn into a male only ghetto if you allow comments about sex to be made to a women.
IN IB tws you right click at the top of the options chain, choose configure and add volume, last size and time of last trade. You must be able to configure an option chain in tos.