A professional financial analyst in a suit observing and interacting with a complex digital overlay of S&P 500 candlestick charts, histograms, and trend lines, representing quantitative pullback analysis.

Pullback Strategy For The S&P 500

ByOddmund Groette Trading strategies

Today, we look at a pullback strategy for the S&P 500.

Pullbacks are among the most common price patterns in the stock market. Instead of chasing a stock after it has already moved sharply, a pullback strategy waits for the price to retreat, consolidate, or pause before entering.

The basic idea is simple: trade in the direction of the main trend, but look for a better entry after a temporary decline. This can help reduce risk, improve timing, and avoid buying when enthusiasm is already stretched.

Today’s strategy is a bit different because it’s not the typical mean reversion play. We buy into N-day strength on a weak day.

Because of this, this strategy is ideal for diversification.

In this article, I’ll explain what a pullback is, why it can work, and how traders can approach it with clear rules rather than guesswork.

Pullback Strategy

We quantified some trading rules (see rules at the bottom), and we got the following equity curve:

A long-term backtest equity curve showcasing the cumulative portfolio growth of a systematic pullback strategy for the S&P 500, showing a steady upward trend from 1995 to 2025, reaching a final equity value of 433,831.2, with a watermark from QuantifiedStrategies.com.
Historical backtest equity curve illustrating the long-term capital accumulation and performance consistency of a rule-based pullback strategy applied to the S&P 500.

Strategy type: Pullback strategy.

Market: US stocks (SPY).

Performance

  • No. of trades: 341
  • Average gain per trade: 0.4%
  • Win ratio: 71%
  • Profit factor: 2.5
  • Annual returns (CAGR): 4.5%
  • Exposure/time in the market: 15%
  • Risk-adjusted return: 29% (CAGR divided by time spent in the market (0.15))
  • Max drawdown: 10%

Trading Rules

We backtested the following trading rules:

🔒 These trading rules are for members only.

I’ve got an Msc from Heriot-Watt University, Edinburgh (1996), in addition a to a business administration degree the Norwegian School of Management (BI – 1994). Did my mandatory military service in between.

After university, I worked two years as an auditor (1996-1998).

I co-founded Aksjeforum.com in 1998/99 - one of the first websites about trading and investing in Norway. It was later acquired by Digi.no in 2001.

I have written 4 books about trading (in Norwegian). One of them has sold 30,000 copies, a record for a financial book in Norway.

From 2001 until 2018 full-time independent prop trader (Series 7 in 2001) and investor.

2018-today: Investor, writer, analyst.

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