How to put and call options work
Equities only): For U. equities, the chart will use realtime prices from the BATS exchange when markets are in session and when BATS prices are available for the symbol on the chart (requires you to be logged in to your free Barchart account.
) When checked, and when using BATS prices, the symbol shown on the chart watermark will show as. BZ (IBM. BZ) to indicate that BATS prices are being used.