Q500 Quant500 Daily Report
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S&P 500 daily report and research

The report has two editions per trading day: the opening one, before Wall Street opens, and the closing one, with what the session did. Each covers the model's forecast when there is one, the ranking changes, what insiders filed with the SEC and how the portfolios stand. Separately, the research: long measurements that do not expire with the session.

Latest edition · Closing bell ·

The close lands inside the 7,567–7,706 range the model published that morning: the S&P 500 rises 0.17%

Quant500 daily report: the S&P 500 closes the session of September 18 at 7,650.50, +0.17%. The close lands inside the 7,567–7,706 range the model published that morning.

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This is not investment advice. Quant500 publishes data and its historical reconstruction. No figure here is a suggestion to buy or sell, nor does it account for your personal situation.

Historical Daily Market Reports Archive

Browse all previous opening and closing market report editions.

The last 7 sessions

Two editions every trading day: one before the open with the forecast, one at the close with what happened.

Closing bell

S&P 500 closes +0.17% · 09/18/2026 report

Quant500 daily report: the S&P 500 closes the session of September 18 at 7,650.50, +0.17%. The close lands inside the 7,567–7,706 range the model published that morning. Biggest riser: COIN (+11.66%); biggest faller: NUE (-6.32%), out of 503 in the index. Plus 10 insider sales and 2 purchases filed with the SEC and the five factor portfolios on point-in-time data.

Opening bell

S&P 500: 7,531-7,744 range expected · 09/18/2026

Quant500 daily report: the model puts a 71.9% chance on today moving more than usual and expects a 0.60% move, with a range of 7,531 to 7,744 that has contained the close eight times out of ten over the last 1,079 out-of-sample sessions; 10 insider sales filed with the SEC; and the five factor portfolios on point-in-time data.

Closing bell

S&P 500 closes +1.14% · 09/17/2026 report

Quant500 daily report: the S&P 500 closes the session of September 17 at 7,637.76, +1.14%. The close falls outside the 7,468–7,636 range the model published that morning. Biggest riser: GNRC (+18.34%); biggest faller: TMUS (-5.57%), out of 503 in the index. Plus 1 insider sale filed with the SEC and the five factor portfolios on point-in-time data.

Opening bell

S&P 500: 7,468-7,636 range expected · 09/17/2026

Quant500 daily report: the model puts a 60.0% chance on today moving more than usual and expects a 0.48% move, with a range of 7,468 to 7,636 that has contained the close eight times out of ten over the last 1,078 out-of-sample sessions; 1 insider sale filed with the SEC; and the five factor portfolios on point-in-time data.

Closing bell

S&P 500 closes -0.45% · 09/16/2026 report

Quant500 daily report: the S&P 500 closes the session of September 16 at 7,551.81, -0.45%. The close lands inside the 7,506–7,665 range the model published that morning. Biggest riser: LITE (+9.59%); biggest faller: JBHT (-13.30%), out of 503 in the index. Plus 5 insider sales filed with the SEC and the five factor portfolios on point-in-time data.

Opening bell

S&P 500: 7,506-7,665 range expected · 09/16/2026

Quant500 daily report: the model puts a 59.8% chance on today moving more than usual and expects a 0.45% move, with a range of 7,506 to 7,665 that has contained the close eight times out of ten over the last 1,077 out-of-sample sessions; 5 insider sales filed with the SEC; and the five factor portfolios on point-in-time data.

Closing bell

S&P 500 closes -0.45% · 09/15/2026 report

Quant500 daily report: the S&P 500 closes the session of September 15 at 7,585.73, -0.45%. The close lands inside the 7,554–7,686 range the model published that morning. Biggest riser: SWKS (+13.55%); biggest faller: COIN (-10.10%), out of 503 in the index. Plus 4 insider sales and 1 purchase filed with the SEC and the five factor portfolios on point-in-time data.

Opening bell

S&P 500: 7,554-7,686 range expected · 09/15/2026

Quant500 daily report: the model puts a 47.6% chance on today moving more than usual and expects a 0.38% move, with a range of 7,554 to 7,686 that has contained the close eight times out of ten over the last 1,076 out-of-sample sessions; 4 insider sales filed with the SEC; and the five factor portfolios on point-in-time data.

Closing bell

S&P 500 closes -0.48% · 09/14/2026 report

Quant500 daily report: the S&P 500 closes the session of September 14 at 7,619.98, -0.48%. The close lands inside the 7,564–7,750 range the model published that morning. Biggest riser: CRWD (+13.85%); biggest faller: GLW (-13.70%), out of 503 in the index. Plus 3 insider sales filed with the SEC and the five factor portfolios on point-in-time data.

Opening bell

S&P 500: 7,564-7,750 range expected · 09/14/2026

Quant500 daily report: the model puts a 71.7% chance on today moving more than usual and expects a 0.53% move, with a range of 7,564 to 7,750 that has contained the close eight times out of ten over the last 1,075 out-of-sample sessions; 3 insider sales filed with the SEC; and the five factor portfolios on point-in-time data.

Closing bell

S&P 500 closes +0.86% · 09/11/2026 report

Quant500 daily report: the S&P 500 closes the session of September 11 at 7,656.98, +0.86%. The close lands inside the 7,508–7,676 range the model published that morning. Biggest riser: HPE (+12.44%); biggest faller: STX (-3.73%), out of 503 in the index. Plus 5 insider sales and 1 purchase filed with the SEC and the five factor portfolios on point-in-time data.

Opening bell

S&P 500 closes -0.58% · 09/11/2026 report

Quant500 daily report: the S&P 500 closes the session of September 10 at 7,591.70, -0.58%. The close lands inside the 7,567–7,706 range the model published that morning. Plus 5 insider sales and 1 purchase filed with the SEC and the five factor portfolios on point-in-time data.

Closing bell

S&P 500 closes -0.58% · 09/10/2026 report

Quant500 daily report: the S&P 500 closes the session of September 10 at 7,591.70, -0.58%. The close lands inside the 7,567–7,706 range the model published that morning. Biggest riser: SWKS (+9.79%); biggest faller: COO (-14.67%), out of 503 in the index. Plus 2 insider sales filed with the SEC and the five factor portfolios on point-in-time data.

Opening bell

S&P 500 closes -0.48% · 09/10/2026 report

Quant500 daily report: the S&P 500 closes the session of September 9 at 7,636.36, -0.48%. The close lands inside the 7,604–7,745 range the model published that morning. Plus 2 insider sales filed with the SEC and the five factor portfolios on point-in-time data.

Earlier editions (45)