concept Updated 2026-08-06 Tags: Investing, Funds, Leverage, Crash, China

Structured Fund Downward Conversion / 分级基金下折

Structured fund downward conversion is the crash mechanism emphasized in vol.121.从昙花一现的分级基金到风头正劲的杠杆ETF:永远不要低估人性的疯狂. In Chinese [[ChineseStructuredFund|structured funds]], downward conversion reset net values and shrank shares when the B share’s NAV fell toward a preset threshold, protecting priority A-share claims and preventing the B share from going to zero.

The source’s key point is that a protection mechanism for the fund structure could become a wealth-destruction mechanism for late B-share buyers. When price limits kept the exchange price from falling as quickly as NAV, the B share’s premium could rise just before conversion; once conversion removed that premium and shrank shares, investors who bought at the inflated market price faced direct losses.

Key Claims

  • B-share effective leverage rose as B-share NAV fell, so the product became more dangerous near the downward-conversion threshold.
  • Price-limit rules could slow the visible secondary-market decline while NAV losses accumulated underneath.
  • Downward conversion reset accounting values but could erase the market premium that buyers had paid.
  • The 2015 crash showed that many investors did not understand the interaction among leverage, price limits, premium, and conversion.

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