Bitcoin ETFs pull in $526.7M as BlackRock files for downside-protected BTC ETF
Author: Crypffalo Research · 12:55 20/10/2026
US spot bitcoin ETFs took in a net $526.7 million on Oct 19, led by $665.2 million into BlackRock's IBIT, as BlackRock filed for a bitcoin ETF built to cushion losses.

US spot bitcoin ETFs drew $526.7 million in net inflows on Monday, Oct 19, according to Farside data. It was a notable turnaround after a week dominated by redemptions.
BlackRock's IBIT did almost all the lifting with $665.2 million. On the same day, BlackRock filed with the SEC for a new bitcoin ETF aimed at investors who want some protection when prices fall.
Key takeaways
- Flows: Spot bitcoin ETFs took in a net $526.7 million on Oct 19, after $82.4 million of outflows on Oct 16.
- Leader: IBIT added $665.2 million, while Fidelity's FBTC lost $83.6 million and Grayscale's GBTC lost $54.9 million.
- Ether: Spot ether ETFs saw $103.3 million in net outflows, their fourth straight day of redemptions.
- New product: BlackRock filed for the iShares Bitcoin Managed Protect ETF, which uses IBIT options to limit losses in exchange for capped gains.
- Price: Bitcoin is hovering near $82,000, with a 24-hour range of roughly $81,150 to $83,000.
Bitcoin ETF flows flip back to positive
Spot bitcoin ETFs swung between inflows and outflows all last week. On Oct 14, the day hotter-than-expected US CPI data landed, the funds shed $261.4 million.
Daily net flows ($ million, per Farside):
- Oct 12: -65.4
- Oct 13: +175.7
- Oct 14: -261.4
- Oct 15: +5.1
- Oct 16: -82.4
- Oct 19: +526.7

Monday's session effectively erased the previous week's outflows. Across the last six sessions, the group has taken in a net $298 million or so.
The inflow was highly concentrated. Apart from IBIT, FBTC and GBTC, every other fund, including those from Bitwise, Ark and VanEck, reported zero flows.
Ether ETFs kept bleeding. BlackRock's ETHA alone lost $95.4 million, and Crypto Briefing reports that month-to-date ether ETF outflows have topped $950 million.
BlackRock wants to sell bitcoin with a cushion
The new fund is called the iShares Bitcoin Managed Protect ETF. According to the filing as reported by The Block and crypto.news, it seeks upside exposure to IBIT up to a limit, paired with a degree of downside protection.
The fund will not hold bitcoin directly. Instead it will use options on IBIT alongside cash and short-term fixed income, selling higher-strike calls to offset costs, which caps the upside.
Key details reported so far:
- Structure: a 1940 Act fund built from overlapping option tranches, with one expiring each month.
- Protection: not a guaranteed loss limit, and the floor does not reset higher after gains.
- Fees and caps: not yet disclosed; caps depend on option pricing when each tranche is set.
- Timing: the registration can become effective 75 days after filing, subject to SEC review.
Bloomberg Intelligence analyst James Seyffart said this is BlackRock's third bitcoin ETF filing, after IBIT and the premium income fund launched in June. The firm's crypto lineup still covers only bitcoin and ether. IBIT itself manages more than $65 billion.
What it means for crypto markets
The strong inflow has not pushed prices far: bitcoin tagged about $83,000 on Oct 19 before slipping back toward $82,000. Markets remain weighed down by high oil prices, hot US inflation and jitters around AI stocks.
- Bull case: if IBIT keeps attracting money for several sessions, ETF demand could help bitcoin hold the $80,000 to $82,000 zone and retest $83,000.
- Risk case: a single large day concentrated in one fund may reflect portfolio rebalancing; if flows reverse, price could revisit $80,000.
Longer term, buffered products could open the door to more cautious buyers such as pension funds and financial advisers. For now, though, the fund is only a filing and cannot trade yet.
What to watch next
- Bitcoin and ether ETF flows for Oct 20 to 23, especially whether IBIT keeps its momentum.
- Any SEC response to the new filing, plus disclosure of fees and upside caps.
- This week's global PMI readings and moves in Brent crude.
- Check our economic calendar and real-time liquidations.
Frequently Asked Questions
What is a downside-protected bitcoin ETF?
It is a fund that uses options to limit part of the losses when bitcoin falls, in exchange for capping gains when the price rises.
Can investors buy BlackRock's new fund yet?
No. BlackRock filed on Oct 19, and the registration could take effect roughly 75 days later if the SEC raises no further issues.
Why are ether ETFs losing money while bitcoin ETFs gain?
Institutions appear to be favoring bitcoin during the current volatility. Ether ETFs have seen four straight days of outflows and more than $950 million leave so far in October.
*This content is for information only and is not financial advice.*
Tags: Bitcoin, ETF, BlackRock, IBIT, ETF flows
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