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FoundationsStock Alerts + Tools0:44Markets

The Same Stock, A Different Market

Premarket and after-hours sessions run on a fraction of the liquidity, which changes what every price on the screen means.

0:44 · 6 scenes

This lesson is part of a Stock Alerts + Tools plan.

What the lesson covers

  1. 0:00The stock is the same after hours. The market around it is not.
  2. 0:05The sessions. Premarket, the regular session, then after-hours. Only the middle one is deep.
  3. 0:14What thin liquidity does. Spreads widen, single orders move price, and a headline can swing it violently.
  4. 0:23Why your chart looks different. Most charts hide extended hours by default, so gaps appear where trading happened.
  5. 0:31The practical rule. Extended-hours prices are real trades, but they are a small and unrepresentative sample.
  6. 0:39Treat an after-hours move as a hint, not as the verdict.
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This section is part of Stock Alerts + Tools

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Educational content only. MadStockAlerts provides market commentary, research, and educational content. It is not personalized investment advice, and nothing here is a recommendation to buy or sell any security. Trading and investing involve substantial risk, including loss of capital. See the Risk Disclosure and Customer Agreement.
Educational content only. MadStockAlerts provides market commentary, research, and educational content. It is not personalized investment advice, and nothing here is a recommendation to buy or sell any security. Trading and investing involve substantial risk, including loss of capital. See the Risk Disclosure and Customer Agreement.
The Same Stock, A Different Market — MAD Academy Training Video · MadStockAlerts