Read more about the article NTLA +114%: a CRISPR base breakout, November 2020
NTLA on the 2020-11-04 breakout entry, from my chart archive

NTLA +114%: a CRISPR base breakout, November 2020

NTLA is back near the top of the trending lists this week, and every time a ticker like this reappears it is worth pulling the chart that made it interesting…

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Market Fragmentation: How One Stock Trades Across Venues

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…

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Read more about the article DSGX +399%: a deep base breakout into the dot-com run, November 1999
DSGX on the 1999-11-26 breakout entry, from my chart archive

DSGX +399%: a deep base breakout into the dot-com run, November 1999

DSGX is back among the day's big gainers this week, helped by a higher analyst price target, so it's worth pulling up a much older chart. Back in late 1999,…

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Investable Universe: The List Behind Every Stock Screen

Two traders run what they call the same momentum screen on Monday morning. Both rank US equities by six-month price change, both take the top twenty, and both trust the…

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Cross-Impact in Trading: How One Order Moves Another

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…

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Price Discovery: How Markets Turn Orders Into Prices

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…

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Read more about the article NTAP +542%: the base breakout that ran with the Nasdaq, August 1999
NTAP on the 1999-08-12 breakout entry, from my chart archive

NTAP +542%: the base breakout that ran with the Nasdaq, August 1999

NTAP is back on traders' screens this week, in the days after its latest quarterly report, so it's worth pulling an old chart back up and reading it properly. The…

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Trade Sign Classification: How Order Flow Gets Signed

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.…

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Liquidity Resilience: How Markets Rebuild Their Depth

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…

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Opening and Closing Auctions: How the Single Price Forms

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…

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