Short Interest: What the Number Actually Tells You

A stock runs for three sessions and the message board fills with one number. Short interest is 22 percent, someone posts, so the squeeze is coming. I've watched that exact…

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Read more about the article TWST +359%: the base breakout that led 2020’s biotech run, May 2020
TWST on the 2020-05-05 breakout entry, from my chart archive

TWST +359%: the base breakout that led 2020’s biotech run, May 2020

Twist Bioscience is back among the day's biggest gainers, which is what pulled this old chart out of the archive. Back in the spring of 2020, TWST spent months grinding…

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Read more about the article NVAX +1458%: the base breakout before the vaccine run, April 2020
NVAX on the 2020-04-03 breakout entry, from my chart archive

NVAX +1458%: the base breakout before the vaccine run, April 2020

In the first week of April 2020, NVAX printed the kind of quiet breakout most traders scroll past. The stock cleared a 14.93 pivot and closed the session at 15.61,…

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Market Efficiency: A Framework for Judging Your Edge

A screen you built over the weekend just lit up. Across ten years of history it turned a modest stake into something that looks a lot like skill: the equity…

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Read more about the article CAR +420%: the base breakout that kept running, February 2021
CAR on the 2021-02-19 breakout entry, from my chart archive

CAR +420%: the base breakout that kept running, February 2021

When CAR turns up on traders' screens again, like this week's return to the StockTwits trending list, the chart worth studying is the CAR base breakout from February 2021. Avis…

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Read more about the article FSLY +123%: the earnings-gap base breakout, May 2020
FSLY on the 2020-05-07 breakout entry, from my chart archive

FSLY +123%: the earnings-gap base breakout, May 2020

FSLY is back on traders' screens this week, climbing the StockTwits trending list, so it's a good moment to pull up the chart that made it worth studying in the…

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Read more about the article CVNA +177%: a base breakout off the lows, June 2023
CVNA on the 2023-06-01 breakout entry, from my chart archive

CVNA +177%: a base breakout off the lows, June 2023

In the spring of 2023 Carvana looked finished. The stock had fallen from the mid-teens to 71 cents inside a year, and most of the tape had left it for…

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Beta and Idiosyncratic Risk: Splitting Market and Stock

You close the week with a position down three percent, and there's a question worth asking before you touch anything: does the loss say something about your thesis, or did…

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Take-Profit Strategy: The Overlooked Half of Exits

You are up on a position. The chart has run your way for six sessions, the gain is real on the screen, and the only question left is where you…

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Read more about the article INCY +489%: a base breakout in the genomics mania, December 1999
INCY on the 1999-12-20 breakout entry, from my chart archive

INCY +489%: a base breakout in the genomics mania, December 1999

By late July 2026, INCY is back near the top of the day's gainers list as Incyte heads into its Q2 2026 earnings report, and that is reason enough to…

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