Not at all. Don't go for links. Display a DOM. Look at it for the rest of your life or at best run Backtests. Bids & Asks alone tell you nothing at all. It's really hard to tell from Time & Sales + Deep Of Market alone where the underlying is likely to go. Or you trade tick ? Microseconds ? I know there is a lot of hype behind this but it's not what it used to be. Have you ever looked at a DOM ?! It has its value. Rhythm, Ratios, Fake / Real Orders, Standing Liquidity but Bro' ... Leave that bottle alone if you can't enjoy it with friends, else than ETers.