The takeaway
WisdomTree Bloomberg U.S. Dollar Bullish Fund shows a slight seasonal lean over 10 years of data — strongest in October (+1.1%) and softest in December (−0.4%).
Right now
In July, the fund has fallen 40% of years, averaging −0.4%, roughly 2.6 pts behind the S&P 500.
The full picture
WisdomTree Bloomberg U.S. Dollar Bullish Fund's most dependable month has been October, higher in 7 of 10 years; December has been its least reliable, up just 30% of the time.
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Month by month
The fund's clearest edge over the S&P 500 lands in February (+1.1 pts); it has trailed the market most in July (−2.6 pts).
“vs S&P” is WisdomTree Bloomberg U.S. Dollar Bullish Fund’s average for a month minus the S&P 500’s average for that same month — isolating WisdomTree Bloomberg U.S. Dollar Bullish Fund’s own seasonal edge from broad market drift.
Reality check
Over the last 5 years, October has closed higher 80% of the time versus 70% across the last 10 years — the pattern is strengthening.
Figures are the typical (median) October return and how often it rose — the last 5 years versus the last 10(the heatmap’s default window). This verdict stays anchored to that 10-year window even if you zoom the chart, so it never disagrees with the badges above.
In plain English
Dependability is the through-line here. October stands out, higher in 7 of 10 Octobers, but it heads a clutch of months that pull the year reliably upward.
Its average (+1.1%) and median (+0.9%) land within a hair of each other — the tell of steady, year-after-year gains rather than one outlier doing the work. Set against the S&P 500, mind, October is close to a wash — the gain mirrors the market more than it beats it. That consistency sets it apart from the field, where the average stock manages October only about 53% of the time.
The strength clusters rather than stands alone — August–November forms a firm stretch that carries much of the year. On the other side of the ledger, December is the year's quietest corner, essentially flat on average, and the edge isn't year-round — the fund has trailed the S&P 500 in July, November, and April.
If anything it has sharpened recently — the last five Octobers run ahead of the earlier years.
The takeaway is less about when to buy than what to expect: October aside, the fund's months offer little reliable tilt.
Short answers on the fund's best month (October), its worst (December), and whether it really trades seasonally.
Only mildly. The fund's months are fairly even — October is the firmest (+1.1%) and December the softest (−0.4%), a narrow spread that points to weak seasonality rather than a strong calendar effect.
October has been the strongest, averaging +1.1% and closing higher in 7 of 10 years since 2016.
It's the weakest, averaging −0.4% — historically a soft spot, though it still varies from year to year.
Explore
These names have the strongest July track records on record — a starting point for comparison.
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