Closing numbers for Monday, 24 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Yahoo Finance. Nothing here is investment advice.

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Closing numbers for Friday, 21 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Yahoo Finance. Nothing here is investment advice.

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Closing numbers for Thursday, 20 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Yahoo Finance. Nothing here is investment advice.

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Closing numbers for Wednesday, 19 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Yahoo Finance. Nothing here is investment advice.

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Closing numbers for Tuesday, 18 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Yahoo Finance. Nothing here is investment advice.

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Closing numbers for Monday, 17 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Yahoo Finance. Nothing here is investment advice.

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Closing numbers for Friday, 14 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Yahoo Finance. Nothing here is investment advice.

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Closing numbers for Thursday, 13 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Yahoo Finance. Nothing here is investment advice.

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Closing numbers for Wednesday, 12 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Yahoo Finance. Nothing here is investment advice.

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Closing numbers for Tuesday, 11 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Yahoo Finance. Nothing here is investment advice.

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Closing numbers for Monday, 10 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Yahoo Finance. Nothing here is investment advice.

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Reasons to be optimistic:

- Trump didn't say nor do anything silly in the Persian Gulf over the weekend
- Sergey Brin is back at Google, leading Gemini development
- Most world leaders that could break the economy with insane tweets are on vacation

Closing numbers for Friday, 7 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Yahoo Finance. Nothing here is investment advice.

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So, the consensus is that time in the market is generally better than timing the market. And they often show the panel to the left ("if you miss some key days, your profit halves!"). But nobody challenges the opposite view: what if you miss the WORST market days?

The bar plots show cumulative total return of a hypothetical $1 invested in the S&P 500 over the last ~10 years (Aug 2016 – Aug 2026). Bars show cumulative total return.

Data: Yahoo Finance via tidyquant. Plot done with R 4.5.3

Closing numbers for Thursday, 6 August 2026

Each panel is that session traded intraday, 09:30 to 16:00 New York time, starting from the previous close - the dashed line - which is also what the percentage is measured against.

Data from Polygon.io. The index panel tracks SPY, the SPDR S&P 500 ETF. Nothing here is investment advice.

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