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Wednesday, August 19, 2026The Morning Brief →Sign in
BYLDISharesINDEX

iShares Yield Optimized Bond ETF

$22.35+0.37% today
222352-WK

The fund will invest at least 80% of its assets in the component securities of the underlying index and to-be-announced transactions (“TBAs”) that have economic characteristics that are substantially identical to the economic characteristics of the component securities of the underlying index. The underlying index is a broadly diversified fixed-income index that seeks to deliver current income while maintaining long-term capital appreciation.

Price & daily flows
22.922.722.422.35DAILY NET FLOWAug 19Dec 16Apr 17Aug 19

SOURCE: MARKET TAPE & DAILY CREATION/REDEMPTION RECORDS · 1Y SHOWN

The desk’s read

Flows are quiet — the past month netted out near zero, while the price has returned -1.9% so far this year. At 0.19% a year it is not the cheapest way in — AGG runs the same ground at 0.03%.

COMPOSED FROM THE FUND’S OWN DAILY RECORDS · UPDATED WITH EACH REFRESH

$233Massets under management
0.19%expense ratio · $19 per $10,000 a year
net flow, trailing month
65Kavg daily volume, 30 days
12holdings · US-domiciled
2014listed April 21, 2014 · beta 0.17
Sector weights
Cash & Others100%
Energy100%
ETF99.89%
Miscellaneous53.21%
Other46.79%
Cash0.11%
PORTFOLIO COMPOSITION, LATEST DISCLOSURE
Performance
1 week+0.2%
1 month-0.5%
3 months-0.3%
6 months-2.6%
YTD-1.9%
1 year
3 years

PRICE RETURN, DISTRIBUTIONS NOT REINVESTED

Net flows
1 week
1 month
3 months
YTD
1 year

CREATION/REDEMPTION DOLLARS, DAILY RECORDS

Monthly net flows
JanFebMarAprMayJunJulAugSepOctNovDec
DAILY CREATION/REDEMPTION RECORDS, TRAILING TWELVE MONTHS
The risk read
3%realized volatility, 30 days (annualized)
4%realized volatility, 1 year
-3.5%deepest fall from a peak, 1 year
-3.2%where it sits vs. that peak today

VOLATILITY & DRAWDOWN FROM THE DAILY TAPE · CONCENTRATION FROM THE LATEST DISCLOSED BOOK

The case against BYLD

Due diligence cuts both ways. These funds sit on the same shelf and beat BYLD on at least one dimension that matters — the fee, the asset base, or where the money is going.

FundFeeAssetsFlow, 1MThe case
STIP iShares 0-5 Year TIPS Bond ETF0.03%$16B+$288M-16bp on fee · 69× the assets · +$288M in over the monthHead-to-head
MBB iShares MBS ETF0.04%$39B+$26M-15bp on fee · 168× the assets · +$26M in over the monthHead-to-head
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF0.04%$23.4B+$520M-15bp on fee · 101× the assets · +$520M in over the monthHead-to-head
IGIB iShares 5-10 Year Investment Grade Corporate Bond ETF0.04%$18.7B+$312M-15bp on fee · 80× the assets · +$312M in over the monthHead-to-head
MUB iShares National Muni Bond ETF0.05%$45.8B+$585M-14bp on fee · 197× the assets · +$585M in over the monthHead-to-head
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InstrumentsHarvest substitutesTrade cost at $1MClient tearsheetStress this fund
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