There also is not a dearth of options bulls for FXI and ASHR. The number of calls outstanding on FXI has doubled over the past month while bullish options activity on ASHR has soared 71%, according to Bloomberg.

In addition to ASHR, three other A-shares ETFs rank among the top 13 non-leveraged ETFs over the past month, including the KraneShares Bosera MSCI China A ETF (NYSEArca: KBA), Market Vectors ChinaAMC A-Share ETF (NYSEArca: PEK) and ASHR’s small-cap equivalent, the Deutsche X-trackers Harvest CSI 500 China A-Shares Small Cap Fund (NYSEArca: ASHS).

The Market Vectors ChinaAMC SME-ChiNext ETF (NYSEArca: CNXT) and ASHS are the top two non-leveraged ETFs in terms of 2015 pure performance. [Meet This Year’s Best ETF]

Deutsche X-trackers Harvest CSI 300 China A-Shares ETF