IBIT vs FBTC: Bitcoin ETF Flow Comparison
IBIT and FBTC are both core spot Bitcoin ETF choices, but they do not send the same market signal. IBIT is the BlackRock liquidity benchmark. FBTC is the Fidelity brokerage and custody read-through.
Short Answer
FBTC has the smaller cumulative outflow in the current CryptosEyes snapshot, not a positive-flow lead. Latest reported date: 2026-07-09. Cumulative flows: IBIT: -$1,815.9M, FBTC: -$432.3M.
Use IBIT as the first liquidity and institutional breadth check. Use FBTC to see whether demand is also holding inside Fidelity's brokerage ecosystem instead of concentrating in one issuer.
IBIT fund facts use the iShares official page as of Jul. 9, 2026 plus iShares custody disclosures. FBTC facts use Fidelity's product page and March 31, 2026 fact sheet. ETF flow values come from the CryptosEyes pre-generated Farside-based flow snapshot.
Flow Comparison Table
Fund Facts and Cost Context
Flow data explains demand. Fund facts explain why investors may choose one ticker over another even when both hold spot bitcoin.
| Fund | Fee | Est. Fee on $10K | Assets | Exchange | Custody | Official Source |
|---|---|---|---|---|---|---|
| IBIT iShares Delaware Trust Sponsor LLC | 0.25% | $25 | $46.32B net assets as of Jul. 9, 2026 | NASDAQ | Coinbase Custody Trust Company, LLC; Anchorage Digital Bank N.A. also appears in later iShares custody disclosures | iShares IBIT official fund page and iShares custody disclosures checked Jul. 10, 2026 |
| FBTC FD Funds Management LLC | 0.25% | $25 | $12.74B portfolio assets as of Mar. 31, 2026 | Cboe BZX | Fidelity Digital Asset Services, LLC / Fidelity Digital Assets | Fidelity FBTC official product page and March 2026 fact sheet checked Jul. 10, 2026 |
Cost Lens
The listed ongoing fee is the same for both funds at 0.25%, or about $25 per year on a $10,000 position before trading costs and tax effects. That makes the flow, custody, and liquidity comparison more important than the basic fee comparison.
What Matters
Signal Checklist
- Whether IBIT is pulling in flow alone or alongside FBTC.
- Whether FBTC holds up on days when the broader ETF complex weakens.
- Whether the same 0.25% listed fee leaves custody, liquidity, and platform preference as the real differentiators.
Decision Rules
- Prefer IBIT as the benchmark when the question is liquidity, trading depth, or the broadest institutional ETF read.
- Prefer FBTC as the comparison anchor when custody model and Fidelity platform adoption matter more than maximum headline volume.
- Treat same-direction inflows in both funds as a stronger signal than either fund moving alone.
What This Means
When IBIT and FBTC both print inflows, the signal is stronger than a single-issuer move because demand is spreading across two different distribution channels. That matters for Bitcoin market structure: broad ETF demand is harder to dismiss as one platform rebalancing.
The fund facts make the comparison sharper. Both funds list a 0.25% ongoing cost, but the custody and distribution models differ: IBIT sits inside the BlackRock/iShares ETF machine, while FBTC is built around Fidelity's own digital-asset custody stack.
If IBIT is positive while FBTC is flat or negative, the read is narrower. It can still be bullish, but it says more about BlackRock-specific liquidity than the whole ETF complex. If FBTC joins the move, the flow picture looks less concentrated and more durable.
Source Note
IBIT fund facts use the iShares official page as of Jul. 9, 2026 plus iShares custody disclosures. FBTC facts use Fidelity's product page and March 31, 2026 fact sheet. ETF flow values come from the CryptosEyes pre-generated Farside-based flow snapshot.
FAQ
Is IBIT or FBTC better for reading Bitcoin ETF demand?
IBIT is usually the cleaner liquidity benchmark, while FBTC is useful for checking whether demand also appears in Fidelity's brokerage and custody channel. The stronger signal is when both move in the same direction.
Should one day of IBIT vs FBTC flow decide an ETF choice?
No. One day can reflect platform activity, model rebalancing, or delayed reporting. Compare cumulative flow, positive-flow days, custody preference, fee, and recent direction before treating either fund as the better fit.
Why compare IBIT and FBTC separately from the full ETF dashboard?
The full dashboard shows market-wide flow. This comparison isolates the two biggest mainstream issuer channels so readers can see whether demand is broad or concentrated.
What to Read Next
Bitcoin ETF flows dashboard
Return to the full daily ETF flow table and chart.
IBIT Bitcoin ETF flow profile
Review BlackRock's recent flow prints and peer rank.
FBTC Bitcoin ETF flow profile
Review Fidelity's recent flow prints and peer rank.
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