S&P 500 in 1984

The S&P 500 rose 1.4% in 1984, from 164.93 at the end of 1983 to 167.24. Its highest close was 170.41 on Nov 6, and its lowest 147.82 on Jul 24. The biggest one-day fall was −1.8% on Feb 8 and the biggest rise +2.8% on Aug 3. Adjusted for inflation, it lost 2.5%.

Change in 1984

+1.4%

164.93 → 167.24

High

170.41

Nov 6

Low

147.82

Jul 24

After inflation

−2.5%

US CPI

Up days

113 of 253

longest run 6 up, 7 down

Below record

-3.1%

at the end of 1984

S&P 500, daily closes 1984

Numbers mark the events below

Key Events in 1984

What happened, and how the S&P 500 moved — on the day (or the next trading day) and about a month later.

1
Sunday, January 1

The court-ordered breakup of the Bell System (AT&T) takes effect. Source

S&P 500: −0.5% next trading day (Jan 3) · −0.9% a month later
2
Wednesday, February 8 From the data

Biggest one-day fall of the year: −1.8%.
3
Thursday, May 17

FDIC, Fed and OCC announce temporary assistance for Continental Illinois, ending the run on the bank. Source

S&P 500: −0.9% that day · −5.7% a month later
4
Friday, August 3 From the data

Biggest one-day rise of the year: +2.8%.
5
Tuesday, November 6

Ronald Reagan is re-elected US president. Source

S&P 500: +1.1% that day · −3.8% a month later

Biggest days of 1984

Best days		Worst days
Aug 3	+2.8%	Feb 8	−1.8%
Dec 18	+2.8%	Feb 6	−1.8%
Aug 2	+2.5%	Apr 5	−1.6%
Oct 18	+2.4%	Feb 28	−1.6%
Aug 9	+2.3%	Jul 11	−1.5%

Volatility: 12.7% (annualised standard deviation of daily changes).

Month by month

Month	Close	Change	High	Low
Jan	163.41	−0.9%	169.28	162.87
Feb	157.06	−3.9%	163.36	154.29
Mar	159.18	+1.3%	159.88	154.35
Apr	160.05	+0.5%	160.30	155.00
May	150.55	−5.9%	161.90	150.29
Jun	153.18	+1.7%	155.17	149.03
Jul	150.66	−1.6%	153.70	147.82
Aug	166.68	+10.6%	167.83	154.08
Sep	166.10	−0.3%	168.87	164.26
Oct	166.09	0.0%	168.10	161.67
Nov	163.58	−1.5%	170.41	163.09
Dec	167.24	+2.2%	168.11	161.81

Other Markets in 1984

Change over the calendar year.

Market	Change	Year-end
S&P 500	+1.4%	167.24
Dow Jones Industrial Average in 1984	−3.7%	1,211.57
Nasdaq Composite in 1984	−11.3%	247.10
Nikkei 225 in 1984	+16.7%	11,543.00
Gold in 1984	−19.4%	$308.30
Silver in 1984	−29.4%	$6.29
US 10-year Treasury yield in 1984	−0.27 pp	11.55%

1980 1981 1982 1983 1984 1985 1986 1987 1988 1989

S&P 500 in 1984: FAQ

How much did the S&P 500 rise in 1984?

What were the highest and lowest closes of the S&P 500 in 1984?

Highest: 170.41 on November 6, 1984. Lowest: 147.82 on July 24, 1984. It closed higher on 113 of 253 trading days.

What happened to the S&P 500 on November 6, 1984?

Ronald Reagan is re-elected US president. The S&P 500 rose 1.1% that day, and was −3.8% a month later.

Data: Daily closes since 1950 (price index, excluding dividends). Price index: dividends are not included. Inflation: US CPI-U. Events marked "From the data" are found automatically from the closing prices; the others are researched, with the source linked. Not investment advice.