Pull up two market data feeds on the same stock at the same second and you'll often see them disagree. One shows 1,200 shares offered at 48.75. The other shows…
An index future ticks higher on a burst of buying. A beat later, the best offer on one of its larger constituents lifts by a couple of cents, and the…
A company reports earnings after the close, the print lands a little ahead of estimates, and by the time the stock reopens it's trading four percent higher. Stare at that…
Pull a single day of time and sales for any active stock and you'll get a tidy column of prints: a price, a size, a timestamp, sometimes a venue code.…
A single market order can strip the visible book in a blink. Picture the best offer showing 4,000 shares, and then a buyer lifts 12,000 in one print. The top…
The last number printed on a chart at the close is the one everybody quotes. It sets the daily candle, the mark on your brokerage statement, the figure a fund…
Watch a fast tape for a few minutes and the rhythm gives itself away. Trades, quote changes, and cancellations don't arrive like a metronome. The book goes quiet, then a…
Two traders pull up the same stock on the same day and come away describing two different markets. One calls it a quiet session, up a fraction, nothing worth a…
Picture a bid at 50.00 showing 40,000 shares. You add a limit buy at that same price, then watch the prints roll by. Trades go off, the tape ticks, and…
Watch a fast tape long enough and you'll see it: a stream of prints that keep lifting the offer, one after another, twenty or thirty in a row, and not…