Starting from yesterday I'm getting weird prices for VIX futures calendar spreads that are traded directly at CFE. Take a look at the screenshot I uploaded. TWS shows same BID 1.75 and ASK 1.75 price for September/October VIX spread (I cannot transact at this price obv). Market Depth Trader from IBKR shows different ASK 1.80 price (also incorrect). I subscribed to IQ Feed to double check data check and in the right corner you can see correct prices at which is it possible to transact. Does anyone have the same problem? I tried different TWS versions, tried rolling my settings back, tried unsubscribing from CFE data and subscribing back. Spend around an hour talking to different IBRK representatives in the chat and it seems that no-one has a clue what I am talking about. Anyone has a similar problem?