PBIT Would Set Roughly 10% Starting Loss Exposure Per Tranche, Not Fundwide

The proposed iShares Bitcoin Managed Protection ETF would use monthly options tranches to seek some downside protection, but its roughly 10% initial loss exposure would apply to each tranche rather than set one floor for the whole fund.

iShares Trust filed preliminary registration for the fund, ticker PBIT, on Oct. 19. It would seek exposure to the iShares Bitcoin Trust ETF (IBIT) or similar Bitcoin (BTC) exposure through options, rather than hold Bitcoin or Bitcoin exchange-traded products directly. The proposal builds on the options-based Bitcoin fund strategy outlined in earlier coverage.

The strategy generally would keep three options tranches active at once, with their start dates staggered across a calendar quarter. Typically, one tranche would expire and another would begin each month. For each tranche, PBIT would generally buy a call option with a strike below the reference asset’s value and sell one with a strike above it. The purchased option is intended to cushion declines, while the sold option brings in a premium and limits gains above its strike.

At the start of a tranche, its protection level would usually sit around 10% below the reference asset’s value when the options are acquired. That corresponds to initial maximum loss exposure of about 10% for that tranche, before fees and expenses. The level can vary, and it is tied to the tranche’s starting value.

For example, if the reference asset starts at 100 and the protection level is 90, then climbs to 120, a later fall to 90 would be a 25% decline from 120. That example describes the reference asset’s price change, not PBIT’s return. It also shows why the 10% starting exposure is not a maximum-loss limit for shareholders.

With overlapping tranches that begin at different levels, the portfolio would have no single fixed protection floor or upside cap. If the reference asset rises after a tranche begins, a drop back to that tranche’s protection level would be larger than 10% from the later, higher value. Sold calls also limit gains, while fees and expenses would reduce returns.

PBIT expects to use FLEX options that are expected to be European-style, with exercise available only at expiration. Their values would be marked to market daily. Cash and fixed-income holdings may earn interest to help offset option costs or losses, but they do not ensure protection.

The proposed fund has no specified management fee, total annual expenses or listing exchange, and no confirmed trading date. Its registration provision calls for effectiveness 75 days after the Oct. 19 filing; that period does not set a trading date.