American International Group (AIG)
S&P 500 · Financials · data since 1973-01-02 · last close 2026-09-09
American International Group (AIG) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -12.5 | 7.5 | -6.0 | -0.6 | -0.8 | 1.1 | 5.4 | -2.8 | -1.7 | · | · | · |
| 2025 | 1.2 | 12.6 | 5.3 | -6.2 | 3.8 | 1.7 | -9.3 | 4.8 | -2.9 | 0.5 | -3.5 | 12.9 |
| 2024 | 2.6 | 4.9 | 7.8 | -3.7 | 4.7 | -5.3 | 6.7 | -2.8 | -4.4 | 3.6 | 1.3 | -4.8 |
| 2023 | -0.0 | -3.3 | -17.0 | 5.3 | -0.4 | 9.6 | 4.8 | -2.9 | 4.2 | 1.2 | 7.3 | 3.5 |
| 2022 | 1.6 | 6.0 | 3.1 | -6.8 | 0.3 | -12.3 | 1.3 | -0.0 | -7.7 | 20.1 | 10.7 | 0.7 |
| 2021 | -1.1 | 17.4 | 5.8 | 4.8 | 9.1 | -9.4 | -0.5 | 15.2 | 1.2 | 7.7 | -11.0 | 8.7 |
| 2020 | -2.1 | -16.1 | -41.8 | 4.9 | 18.2 | 4.8 | 3.1 | -9.3 | -4.5 | 14.4 | 22.1 | -0.7 |
| 2019 | 9.7 | -0.1 | 0.4 | 10.5 | 7.4 | 5.0 | 5.1 | -7.0 | 7.6 | -4.9 | -0.6 | -1.9 |
| 2018 | 7.3 | -10.3 | -4.5 | 2.9 | -5.7 | 1.0 | 4.1 | -3.7 | 0.7 | -22.4 | 4.8 | -8.1 |
| 2017 | -1.6 | -0.5 | -1.8 | -2.4 | 4.5 | -1.3 | 4.7 | -7.6 | 2.0 | 5.3 | -7.2 | -0.1 |
| 2016 | -8.9 | -11.1 | 8.3 | 3.3 | 3.7 | -8.1 | 2.9 | 9.9 | -0.3 | 4.0 | 2.6 | 3.6 |
| 2015 | -12.8 | 13.2 | -0.8 | 2.7 | 4.1 | 5.7 | 3.7 | -5.9 | -5.4 | 11.0 | 0.8 | -2.1 |
| 2014 | -6.0 | 3.8 | 0.7 | 6.2 | 1.8 | 1.2 | -4.8 | 7.8 | -3.4 | -0.8 | 2.3 | 2.4 |
| 2013 | 7.2 | 0.5 | 2.1 | 6.7 | 7.3 | 0.5 | 1.8 | 2.1 | 4.9 | 6.2 | -3.7 | 2.8 |
| 2012 | 8.2 | 16.4 | 5.5 | 10.4 | -14.3 | 10.0 | -2.6 | 9.8 | -4.5 | 6.5 | -5.2 | 6.5 |
| 2011 | -15.6 | -8.2 | -5.2 | -11.3 | -8.5 | 2.9 | -2.1 | -11.7 | -13.3 | 12.5 | -5.6 | -0.5 |
| 2010 | -19.2 | 2.2 | 37.8 | 13.9 | -9.1 | -2.7 | 11.7 | -11.8 | 15.2 | 7.4 | -1.7 | 39.5 |
| 2009 | -18.5 | -67.2 | 138.1 | 38.0 | 22.5 | -31.4 | -43.4 | 245.0 | -2.7 | -23.8 | -15.5 | 5.6 |
| 2008 | -5.7 | -14.8 | -7.3 | 6.8 | -22.1 | -26.1 | -1.6 | -17.5 | -84.3 | -42.6 | 5.2 | -21.9 |
| 2007 | -4.5 | -1.7 | 0.2 | 4.0 | 3.7 | -3.2 | -8.3 | 2.8 | 2.8 | -6.7 | -7.9 | 0.7 |
| 2006 | -4.1 | 1.4 | -0.2 | -1.3 | -6.6 | -2.9 | 2.7 | 5.5 | 3.8 | 1.4 | 4.9 | 1.9 |
| 2005 | 0.9 | 0.8 | -16.9 | -8.2 | 9.2 | 4.8 | 3.6 | -1.4 | 4.7 | 4.6 | 3.8 | 1.6 |
| 2004 | 4.8 | 6.5 | -3.5 | 0.4 | 2.3 | -2.7 | -0.9 | 0.8 | -4.5 | -10.7 | 4.3 | 3.8 |
| 2003 | -6.5 | -8.9 | 0.4 | 17.2 | -0.1 | -4.6 | 16.4 | -7.2 | -3.0 | 5.4 | -4.7 | 14.5 |
| 2002 | -6.6 | -0.2 | -2.5 | -4.2 | -3.1 | 1.9 | -6.3 | -1.8 | -12.8 | 14.3 | 4.2 | -11.1 |
| 2001 | -13.7 | -3.8 | -1.6 | 1.6 | -0.9 | 5.0 | -2.1 | -6.0 | -0.3 | 0.8 | 4.8 | -3.6 |
| 2000 | -3.5 | -15.3 | 23.9 | 0.2 | 2.7 | 4.4 | 11.9 | 1.7 | 7.3 | 2.4 | -1.1 | 1.7 |
| 1999 | 6.5 | 10.7 | 5.9 | -3.0 | -2.3 | 2.6 | -1.0 | -0.2 | -6.2 | 18.4 | 0.8 | 4.2 |
| 1998 | 1.4 | 8.9 | 4.8 | 4.5 | -5.9 | 18.0 | 3.3 | -23.1 | 1.4 | 8.8 | 10.2 | 2.9 |
| 1997 | 11.9 | -0.1 | -2.9 | 9.5 | 5.3 | 10.4 | 7.0 | -11.4 | 9.4 | -1.1 | -1.2 | 8.0 |
| 1996 | 4.7 | 0.0 | -3.3 | -2.4 | 3.1 | 4.7 | -4.6 | 0.9 | 6.2 | 7.8 | 5.9 | -5.8 |
| 1995 | 6.3 | -0.3 | 0.4 | 2.5 | 6.7 | 0.2 | -1.3 | 7.5 | 5.5 | -0.4 | 6.1 | 3.2 |
| 1994 | 5.6 | -5.2 | -4.1 | 1.3 | 9.7 | -7.2 | 8.8 | -0.1 | -5.5 | 5.3 | -2.1 | 7.1 |
| 1993 | 2.2 | 3.1 | 4.7 | -0.9 | 1.6 | 0.4 | 6.8 | 5.5 | 1.3 | -8.3 | -4.2 | 1.9 |
| 1992 | -6.7 | -4.6 | -0.7 | -4.3 | 1.8 | 5.1 | 8.3 | 0.4 | 10.1 | 4.4 | 3.7 | 1.2 |
| 1991 | 7.6 | 9.5 | 6.5 | -5.7 | -0.4 | -6.8 | -0.9 | 1.1 | -2.1 | 6.7 | -1.9 | 14.1 |
| 1990 | -10.1 | 4.2 | -3.9 | -4.4 | 14.2 | -4.9 | -2.1 | -10.4 | -7.0 | 0.2 | 16.9 | 4.8 |
| 1989 | 9.4 | -4.6 | 12.0 | 2.4 | 1.2 | 0.0 | 15.1 | 0.5 | 8.4 | 0.8 | 5.9 | -5.5 |
| 1988 | 5.0 | -8.0 | -7.3 | -2.8 | 9.0 | 2.6 | 4.7 | 1.0 | 7.5 | 0.6 | -1.5 | 3.6 |
| 1987 | 11.3 | 10.7 | -3.6 | -8.6 | -2.8 | 10.2 | -1.2 | 15.9 | -1.5 | -14.6 | -17.5 | 6.7 |
| 1986 | 10.1 | 4.6 | 10.6 | -11.3 | 7.1 | 0.6 | 4.6 | 5.1 | -12.9 | -0.8 | -1.8 | 2.0 |
| 1985 | 8.8 | -1.9 | 1.0 | 3.1 | 9.8 | 2.5 | 1.9 | -1.9 | 0.4 | 5.7 | 11.1 | 6.0 |
| 1984 | -8.6 | -1.3 | -0.4 | 1.3 | -3.4 | 3.5 | -3.4 | 16.4 | -2.5 | 5.1 | -4.1 | 5.6 |
| 1983 | -9.8 | 8.8 | 11.0 | 5.6 | 0.9 | -6.8 | -6.2 | 5.3 | 1.3 | -5.5 | 0.8 | -1.1 |
| 1982 | 0.8 | 1.9 | 0.8 | 4.8 | -11.0 | -6.8 | -3.0 | 17.7 | 14.7 | 3.0 | 4.5 | -3.7 |
| 1981 | 0.0 | 6.0 | 1.3 | 7.1 | 3.5 | -3.4 | 3.5 | -5.0 | 1.3 | 10.9 | 3.5 | -1.5 |
| 1980 | -4.2 | -0.9 | -8.0 | 10.6 | 3.0 | 13.1 | 1.5 | 5.9 | 4.2 | -8.7 | 2.9 | 6.4 |
| 1979 | 1.5 | -5.3 | 4.6 | -4.9 | 1.6 | 6.6 | 1.4 | 10.8 | 4.7 | -8.9 | 4.4 | 1.3 |
| 1978 | -12.0 | -1.4 | -1.4 | 13.3 | 4.3 | 1.8 | 18.0 | 10.3 | -8.0 | -6.8 | -0.5 | 6.3 |
| 1977 | -11.1 | -6.5 | -2.7 | 0.0 | 11.4 | 11.7 | -4.6 | 0.0 | -0.7 | -8.3 | 6.0 | 18.4 |
| 1976 | 13.0 | -3.5 | -10.6 | -0.5 | -4.6 | -2.2 | 2.8 | 6.5 | -1.0 | -5.1 | -8.1 | 11.1 |
| 1975 | 3.6 | -5.8 | 18.5 | 13.0 | 18.9 | -9.7 | -8.2 | -7.9 | -14.2 | 11.2 | 9.6 | -2.9 |
| 1974 | -5.3 | 2.8 | -7.2 | -1.3 | -18.2 | 4.0 | -4.4 | -34.5 | -5.3 | 59.3 | -8.7 | 5.7 |
| 1973 | -8.9 | -8.6 | 5.6 | -9.6 | -10.3 | 6.1 | 22.1 | 2.0 | 4.0 | 1.2 | -12.0 | 0.0 |
| Avg | -1.2 | -1.0 | 3.0 | 2.1 | 1.6 | 0.1 | 1.4 | 4.1 | -1.6 | 1.9 | 0.8 | 2.9 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
AIG seasonality — average by calendar month
American International Group has monthly history back to 1973. August carries the highest average at +4.2%, but the median August is +0.5% and 28 of 54 have finished green: +245% in 2009 does most of the lifting. The steadier month is December — positive in 36 of 53 years, median +2.4%. September is the soft spot, down in 27 of 53 with a median of -0.3%. Across its full record it has closed 56% of months higher, swings ±14.9% in an average month and has fallen 99.6% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | -1.2% | -1.0% | +3.0% | +2.1% | +1.6% | +0.1% | +1.4% | +4.2% | -1.6% | +1.9% | +0.8% | +2.9% |
| Win rate | 48%/54 | 44%/54 | 52%/54 | 57%/54 | 63%/54 | 61%/54 | 57%/54 | 52%/54 | 49%/53 | 66%/53 | 55%/53 | 68%/53 |
Win rate = share of positive months / sample size.
AIG risk & extremes
AIG drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
Related stocks
Frequently asked questions
What was American International Group's best month?+
American International Group's strongest completed month on record is August 2009, at +244.98%.
What was American International Group's worst month?+
Its weakest completed month on record is September 2008, at -84.35%.
Is American International Group up this year?+
American International Group is down 11.19% year to date, measured from its last close before 1 January.
What is American International Group's 1-year return?+
-2.11% over the past twelve months, comparing the latest close with the most recent close on or before the same date a year earlier.
What is American International Group's biggest drawdown?+
The deepest peak-to-trough fall on record is 99.6%, measured on month-end closes since 1973.
Which calendar month is historically best for American International Group?+
August has the highest average return across every completed August since 1973. An average is not a forecast.
About American International Group
American International Group is an S&P 500 company, a financials business worth about $39 billion. It moves money around and keeps a slice for the trouble — with price receipts on this site going back to 1973. And the long game: $100 at its first close here (1973) would be about $624 today.
Did you know?
- Its best month on record was August 2009 at +244.98%; its worst, September 2008 at -84.35%.
Trivia for entertainment — the numbers come from our price data; the jokes don't.