Should you invest in November?

Seasonal backtest · JPI Fair (balanced) method on the S&P 500 · 2015-2024

In short — historically (2015-2024, JPI Fair method, top 20 out of ~1,500 stocks), buying in early November and holding 12 months returned +21.6%/yr on average — the 1st best of the 12 months. $1000 would have become $7046 in 10 years (the S&P 500 index did +12.6%/yr on the same basis). Best month: November; worst: July. ⚠️ Only 10 years: a tendency, not a guarantee.

Below is the 12-month entry ranking (JPI Fair method, S&P 500, 2015-2024) — November is highlighted — then the year-by-year detail for buying in early November.

#	Month	Return / yr	Ratio	$1,000 becomes (10y)	S&P 500 comparison
1	November	+21.6%	0.85	$7,046	+12.6%
2	October	+19.3%	0.74	$5,864	+13.3%
3	December	+17.3%	1.53	$4,946	+12.6%
4	January	+15.8%	1.07	$4,341	+11.1%
5	February	+14.5%	0.9	$3,865	+11.7%
6	September	+12.7%	0.54	$3,294	+12.6%
7	May	+12.6%	0.36	$3,278	+10.3%
8	June	+12.2%	0.34	$3,160	+10.8%
9	April	+11.7%	0.21	$3,033	+10.5%
10	August	+10.2%	0.42	$2,631	+11.6%
11	March	+7.4%	0.35	$2,044	+10.9%
12	July	+4.7%	0.14	$1,580	+11.6%

📖 How to read this table — method used: JPI Fair (the balanced formula — buy stocks where at least 2 analysts reliable on their sector are bullish, taking the median of their targets). Our recommended formula.

• Return / yr: average annual gain of that selection if you buy that month, over 2015-2024.
• Ratio: return ÷ volatility — higher means steadier results (S&P 500 ≈ 0.9).
• $1000 becomes (10y): what $1000 invested that month each year would become after 10 years (compounded).
• S&P 500 comparison: the average S&P 500 return over the same period — far more stable regardless of the month.

Year by year — buy early November

Year	Return (buy early November)
2025 ⏳	+39.1% (in progress)
2024	+65.7%
2023	+40.6%
2022	+15.5%
2021	-17.3%
2020	+61.6%
2019	-2.6%
2018	+17.5%
2017	+10.7%
2016	+38.2%
2015	+11.9%

💡 Keep in mind: this comes from just 10 cycles. The robust research message is that staying invested beats waiting for a specific month. Use this ranking as an insightful curiosity, not a buy signal.

📊 Interactive version — November, 3 universes, filters →

↔️ Other months — ← October · 12-month ranking · December →

FAQ

Is November a good time to invest?

Over 2015-2024, buying in early November (JPI Fair method, S&P 500) returned +21.6%/yr on average, the 1st best of the 12 months. But 10 years is little: it's a tendency, not a guarantee, and the entry month matters less than staying invested.

What would $1000 invested in November have become?

On average over 2015-2024, $1000 invested in early November each year (12-month hold, JPI Fair method) would have become about $7046, versus the S&P 500 index on the same basis.

What is the best month to invest compared to November?

In our 2015-2024 ranking, November comes first. November is the 1st best. See the full 12-month ranking above.

What is JPI Invest?

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⚠️ Educational analysis, not investment advice. Point-in-time backtest on recomputed Yahoo data, short sample. Past performance does not predict the future.