A Daily Network publication
Explore the network
ETF Daily
The Definitive Daily Read on Exchange-Traded Funds
Wednesday, August 19, 2026The Morning Brief →Sign in
TLTWISharesACTIVE

iShares 20+ Year Treasury Bond Buywrite Strategy ETF

$21.41+1.69% today
212452-WK

The fund will seek to write call options up to (but not exceeding) the full amount of shares of the underlying fund held in the fund (i.e., the short position in the call option is offset, or “covered,” by the long position the fund holds in shares of the underlying fund).

Price & daily flows
21.621.421.221.41DAILY NET FLOWJul 20Jul 29Aug 10Aug 19

SOURCE: MARKET TAPE & DAILY CREATION/REDEMPTION RECORDS · 1M SHOWN · NET −$1M OVER THIS RANGE

The desk’s read

Money is leaving — −$1M walked out over the past month, while the price has returned -5.5% so far this year. At 0.35% 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

$1.8Bassets under management
0.35%expense ratio · $35 per $10,000 a year
−$1Mnet flow, trailing month
1.2Mavg daily volume, 30 days
4holdings
2022listed August 17, 2022 · beta 0.17
HoldingsDownload CSV
#HoldingWeightPriceDay52-wk
1USD CASH0.56%
2BLK CSH FND TREASURY SL AGENCY - Money Market0.16%
Sector weights
Treasury99.92%
Cash and/or Derivatives0.09%
PORTFOLIO COMPOSITION, LATEST DISCLOSURE
Performance
1 week+1.1%
1 month-1.7%
3 months-1.4%
6 months-7.8%
YTD-5.5%
1 year
3 years

PRICE RETURN, DISTRIBUTIONS NOT REINVESTED

Net flows
1 week−$10M
1 month−$1M
3 months−$83M
YTD+$292M
1 year+$755M

CREATION/REDEMPTION DOLLARS, DAILY RECORDS

Monthly net flows
AugSepOctNovDecJanFebMarAprMayJulAug
DAILY CREATION/REDEMPTION RECORDS, TRAILING TWELVE MONTHS
The risk read
10%realized volatility, 30 days (annualized)
8%realized volatility, 1 year
-12.6%deepest fall from a peak, 1 year
-11.0%where it sits vs. that peak today

The top holding is 0.6% of the book; the top ten carry 1%. Spread across 2+ names, it behaves like roughly 2 equally-weighted positions.

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

The case against TLTW

Due diligence cuts both ways. These funds sit on the same shelf and beat TLTW 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-32bp on fee · 9× the assets · +$288M in over the monthHead-to-head
MBB iShares MBS ETF0.04%$39B+$26M-31bp on fee · 22× the assets · +$26M in over the monthHead-to-head
IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF0.04%$23.4B+$520M-31bp on fee · 13× the assets · +$520M in over the monthHead-to-head
IGIB iShares 5-10 Year Investment Grade Corporate Bond ETF0.04%$18.7B+$312M-31bp on fee · 10× the assets · +$312M in over the monthHead-to-head
MUB iShares National Muni Bond ETF0.05%$45.8B+$585M-30bp on fee · 25× the assets · +$585M in over the monthHead-to-head
Sign in to save this to The RecordA timestamped copy for the file — documentation, not advice.
InstrumentsHarvest substitutesTrade cost at $1MClient tearsheetStress this fund
Every weekday · 6:30 a.m. ET

The Morning Brief

The private wealth industry in four minutes, every weekday at 6:30 a.m. ET. Free.