Year Return Candidates
1928 43.6% Hoover vs. Smith
1932 8.2% Roosevelt vs. Hoover
1936 33.9% Roosevelt vs. Landon
1940 -9.8% Roosevelt vs. Willkie
1944 19.7% Roosevelt vs. Dewey
1948 5.5% Truman vs. Dewey
1952 18.3% Eisenhower vs. Stevenson
1956 6.5% Eisenhower vs. Stevenson
1960 .50% Kennedy vs. Nixon
1964 16.5% Johnson vs. Goldwater
1968 11.1% Nixon vs. Humphrey
1972 19.0% Nixon vs. McGovern
1976 23.8% Carter vs. Ford
1980 32.4% Reagan vs. Carter
1984 6.3% Reagan vs. Mondale
1988 16.8% Bush vs. Dukakis
1992 7.7% Clinton vs. Bush
1996 23.1% Clinton vs. Dole
2000 -9.1% Bush vs. Gore
2004 10.9% Bush vs. Kerry
2008 -37% Obama vs. McCain
If the open gap doesn't get filled today, it will be the first time the day after MAD (not MDD) an open gap doesn't get filled. The open gap fill rule even worked 100% during 2008/2009 crisis. I feel this correction might be something unseen before.