In the last trading session, U.S. stocks were mostly in the red as investors turned skittish with election uncertainty looming large. Among the top ETFs, investors saw (SPY Quick QuoteSPY - Free Report) lose about 0.5%, (DIA Quick QuoteDIA - Free Report) shed over 0.1% and QQQ shed 0.1% on the day.

Two more specialized ETFs are worth noting in particular though as both saw trading volume that was far outside of normal. In fact, in the most recent trading session, both these funds experienced volume levels that were more than double their average. This could make these ETFs the ones to watch out for in the days ahead to see if this trend of extra interest continues:

(UGL Quick QuoteUGL - Free Report) : Volume 4.77 times average

This double-leveraged gold bullion ETF was in focus yesterday as roughly 240,000 shares moved hands compared with an average of roughly 50,300 shares. UGL gained over 1.2% on the day.

The risk-off trade sentiments and a flight to safety prior to the election have given a boost to the gold price and this ETF. In the last one-month period, UGL was up over 5.6%.

(ILF Quick QuoteILF - Free Report) : Volume 3.00 times average

This Latin America ETF was under the microscope yesterday as nearly 4.98 million shares moved hands. This compares with an average trading volume of 1.66 million shares and came as ILF lost about 0.2% in the session.

The movement was possibly due to the ongoing election-related uncertainty as the fund has about 25% exposure in Mexico which is a Trump-unfriendly investment. In the last one-month period, ILF was up over 4%.

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