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Equal-weight stocks matched the S&P 500 after September's lag. Slightly more stocks fell.

After the equal-weight index fell 4.8% in September, the S&P 500 fund SPY rose 0.68% and the equal-weight fund rose 0.66% on Monday, October 5, 2026, while 2,816 US stocks fell and 2,797 rose.

· 2 min read · ETF.net Research

A colorful stock market heatmap showing various company tickers in red and green blocks representing their daily performance.

Key takeaways

  • Monday shrank Friday's gap between the funds to 0.02 points.
  • Slightly more stocks fell than rose on the session.
  • A matching day did not repair the gap since August.
  • SpaceX added more to the Nasdaq fund than Nvidia.

The equal-weight S&P 500 fund matched the S&P 500 fund on Monday. On the NYSE, Nasdaq and NYSE American, 2,816 common stocks fell and 2,797 rose.

S&P Dow Jones Indices said the equal-weight index fell 4.8% in September and the S&P 500 fell 0.3%, both including dividends through September 30.

On Friday, RSP, which holds each S&P 500 stock in the same amount, trailed SPY by 0.39 percentage points. SPY holds the index, with the largest companies taking the biggest share.

On Monday the gap narrowed to 0.02 percentage points. SPY gained 0.68% to $774.88, and RSP gained 0.66%.

RSP caught up to SPY on Monday

Session returns, Friday, October 2 and Monday, October 5, 2026

  • SPY
  • RSP
  • Friday
    • SPY +0.7%
    • RSP +0.3%
  • Monday
    • SPY +0.7%
    • RSP +0.7%

Friday's 0.39-point gap shrank to 0.02 points.

The S&P 500 closed 0.54% below its high of the past year. SPY closed $4.49 below its own high. As of Friday, 45.4% of the stocks in the index were above their average price of the past 200 trading days, StreetStats reported.

SpaceX and Nvidia led the Nasdaq fund

QQQ, the fund that holds the Nasdaq-100, gained 0.88%. SpaceX, 2.8% of the fund, rose 7.6% and added more to the gain than Nvidia, which is 8.4% of the fund and rose 2.1%. Together the two supplied 0.39 percentage points of that gain.

A day of matching does not repair the gap between RSP and SPY since August. RSP's price is down 3.8% from the last close of August, and SPY's is up 1.0%.

ETFs in this story

BRSPInvesco S&P 500 Equal Weight ETF63/100ASPYState Street SPDR S&P 500 ETF71/100AQQQInvesco QQQ Trust, Series 175/100

Frequently asked questions

Did the equal-weight fund match the S&P 500 on Monday?

SPY gained 0.68% and RSP gained 0.66%, a gap of 0.02 percentage points.

How large was September's lag?

The equal-weight index fell 4.8% in September and the S&P 500 fell 0.3%, both including dividends.

How many stocks fell?

On the NYSE, Nasdaq and NYSE American, 2,816 common stocks fell and 2,797 rose.

Did Monday erase the gap since August?

No, RSP is down 3.8% from August's last close and SPY is up 1.0%.

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