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iShares MBS ETF (MBB)

Government Mortgage-Backed Bond | Exchange Traded Fund | NasdaqGM
93.17 USD -0.35 (-0.374%) ⇩ (Aug. 28, 2026, 4 p.m. EDT)
After hours: 93.14 -0.03 (-0.030%) ⇩ (Aug. 28, 2026, 7:50 p.m. EDT)

Short-term:★★⯪☆☆Long-term:★★☆☆☆Dividends:★★★⯪☆
Hot Take | Aug. 22, 2026, 4:50 a.m. EDT

The iShares MBS ETF presents a classic defensive income play that is currently underperforming due to the lingering effects of the previous rate-hike cycle. While the headline 4.34% yield is attractive for retirees seeking cash flow, the underlying asset quality has taken a hit; the fund has suffered six consecutive years of negative annual returns, dragging the nine-year cumulative performance down by nearly 15%. This persistent underperformance suggests the mortgage-backed securities held within are struggling to generate spreads against rising rates, making the high yield a compensation for credit and duration risk rather than a free lunch. Technically, the stock is trapped between its 50-day and 200-day moving averages, showing no clear directional bias and failing to break out of its consolidation range. The recent price action is flat, confirming the lack of momentum needed to drive a short-term rally. While the statistical forecast model hints at a negligible positive drift over the next 45 days, this is likely just noise given the macro headwinds facing the sector. For investors, this is a hold for income only if you can stomach the capital erosion. It is not a vehicle for growth, nor is it showing the technical strength required for a tactical swing trade. The market is pricing in a difficult environment for these assets, and until there is a definitive pivot in the interest rate curve or a repricing of the underlying mortgage pool, the outlook remains muted.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoTheta ✓0.014018
AutoETS0.014955
AutoARIMA0.015053
MSTL0.016484

Forecast horizon: 45 days | Selected: AutoTheta

Forecast Reliability
Score 72%
H-stat 3.15
Ljung-Box p 0.000
Jarque-Bera p 0.001
Excess Kurtosis 1.27

As of Aug. 22, 2026, 4:50 a.m. EDT: Speculators are positioning defensively with heavy open interest in out-of-the-money puts (strikes 86 and 96) relative to call volume, suggesting a fear of downside volatility or a 'crash' scenario. However, call volume remains robust at the ATM level (93 strike), indicating active hedging or speculative buying at current prices rather than a flight to safety. The skew in implied volatility is moderate, with puts trading at a premium over calls, reflecting a cautious sentiment.


Dividend Data

Yield Summary
Last Yield 1yr Yield 3yr Avg 5yr Avg
0.37% 4.27% 4.06% 3.28%
Dividend History
Date Dividend Yield %
2026-08-03 0.341 0.367774
2026-07-01 0.337 0.358434
2026-06-01 0.333 0.353053
2026-05-01 0.335 0.354497
2026-04-01 0.333 0.351748
2026-03-02 0.328 0.341489
2026-02-02 0.335 0.351780
2025-12-19 0.334 0.351246
2025-12-01 0.347 0.364956
2025-11-03 0.342 0.359584
2025-10-01 0.336 0.353238
2025-09-02 0.338 0.360918
2025-08-01 0.332 0.354247
2025-07-01 0.332 0.355194
2025-06-02 0.325 0.353184
2025-05-01 0.325 0.348975
2025-04-01 0.331 0.352916
2025-03-03 0.320 0.340824
2025-02-03 0.341 0.371460
2024-12-18 0.294 0.321417
2024-12-02 0.307 0.328342
2024-11-01 0.310 0.336518
2024-10-01 0.311 0.324601
2024-09-03 0.318 0.333543
2024-08-01 0.309 0.328653
2024-07-01 0.305 0.335718
2024-06-03 0.300 0.328587
2024-05-01 0.282 0.314171
2024-04-01 0.283 0.309053
2024-03-01 0.292 0.317184
2024-02-01 0.297 0.316126
2023-12-14 0.276 0.294714
2023-12-01 0.280 0.306111
2023-11-01 0.274 0.313286
2023-10-02 0.290 0.331050
2023-09-01 0.264 0.289632
2023-08-01 0.276 0.299967
2023-07-03 0.264 0.284759
2023-06-01 0.269 0.286536
2023-05-01 0.260 0.277481
2023-04-03 0.251 0.264489
2023-03-01 0.250 0.271533
2023-02-01 0.243 0.251944
2022-12-15 0.241 0.252859
2022-12-01 0.227 0.240543
2022-11-01 0.196 0.216934
2022-10-03 0.198 0.214704
2022-09-01 0.197 0.205123
2022-08-01 0.184 0.183030
2022-07-01 0.150 0.153046
2022-06-01 0.162 0.164601
2022-05-02 0.148 0.151888
2022-04-01 0.136 0.134308
2022-03-01 0.137 0.130538
2022-02-01 0.166 0.157048
2021-10-01 0.019 0.017547
2021-09-01 0.073 0.067281
2021-08-02 0.080 0.073577
2021-07-01 0.097 0.089773
2021-06-01 0.128 0.118278
2021-05-03 0.160 0.147208
2021-04-01 0.188 0.173768
2021-03-01 0.196 0.179438
2021-02-01 0.192 0.174339
2020-12-01 0.199 0.181074
2020-11-02 0.191 0.173447
2020-10-01 0.191 0.173321
2020-09-01 0.192 0.173724
2020-08-03 0.200 0.180685
2020-07-01 0.199 0.180009
2020-06-01 0.201 0.181097
2020-05-01 0.218 0.196698
2020-04-01 0.231 0.210344
2020-03-02 0.235 0.214514
2020-02-03 0.256 0.235706
2019-12-19 0.056 0.051895
2019-12-02 0.251 0.232731
2019-11-01 0.259 0.239549
2019-10-01 0.262 0.242391
2019-09-03 0.265 0.244645
2019-08-01 0.263 0.243948
2019-07-01 0.264 0.246062
2019-06-03 0.262 0.244814
2019-05-01 0.262 0.247637
2019-04-01 0.271 0.256362
2019-03-01 0.285 0.272493
2019-02-01 0.290 0.276348
2018-12-18 0.084 0.080808
2018-12-03 0.272 0.264026
2018-11-01 0.254 0.248241
2018-10-01 0.224 0.217497
2018-09-04 0.229 0.220702
2018-08-01 0.211 0.203963
2018-07-02 0.232 0.223507
2018-06-01 0.248 0.238852
2018-05-01 0.253 0.244539
2018-04-02 0.254 0.243318
2018-03-01 0.250 0.239509
2018-02-01 0.246 0.234688
2017-12-01 0.234 0.219904
2017-11-01 0.214 0.200506
2017-10-02 0.205 0.191607
2017-09-01 0.207 0.192863
2017-08-01 0.211 0.197141
2017-07-03 0.209 0.196613
2017-06-01 0.232 0.216600
2017-05-01 0.230 0.215780
2017-04-03 0.226 0.211968
2017-03-01 0.212 0.199925
2017-02-01 0.193 0.181887
2016-12-22 0.512 0.484711
2016-12-01 0.417 0.390779
2016-11-01 0.171 0.156336
2016-10-03 0.158 0.143793
2016-09-01 0.175 0.159395
2016-08-01 0.173 0.157487
2016-07-01 0.189 0.171912
2016-06-01 0.187 0.171324
2016-05-02 0.180 0.164835
2016-04-01 0.199 0.182168
2016-02-01 0.191 0.175358
2015-12-24 0.386 0.358603
2015-12-01 0.746 0.687304
2015-11-02 0.212 0.194317
2015-10-01 0.232 0.211775
2015-09-01 0.212 0.194121
2015-08-03 0.192 0.175423
2015-07-01 0.177 0.163495
2015-06-01 0.174 0.158774
2015-05-01 0.179 0.162964
2015-04-01 0.167 0.151392
2015-03-02 0.098 0.089375
2015-02-02 0.089 0.080726
2014-12-24 0.422 0.387120
2014-12-01 0.113 0.103234
2014-11-03 0.114 0.104731
2014-10-01 0.120 0.110619
2014-09-02 0.112 0.103694
2014-08-01 0.136 0.126183
2014-07-01 0.126 0.116775
2014-06-02 0.134 0.124350
2014-05-01 0.151 0.141056
2014-04-01 0.147 0.138889
2014-03-03 0.156 0.146122
2014-02-03 0.151 0.141399
2013-12-26 0.135 0.129211
2013-12-02 0.140 0.133080
2013-11-01 0.121 0.114183
2013-10-01 0.111 0.105014
2013-09-03 0.077 0.074110
2013-08-01 0.086 0.082431
2013-07-01 0.067 0.063598
2013-06-03 0.057 0.053682
2013-05-01 0.079 0.072966
2013-04-01 0.258 0.239354
2013-03-01 0.107 0.099092
2013-02-01 0.091 0.084549
2012-12-03 0.329 0.304545
2012-10-01 0.128 0.117410
2012-09-04 0.120 0.110213
2012-08-01 0.155 0.142463
2012-07-02 0.190 0.175358
2012-06-01 0.180 0.166067
2012-05-01 0.174 0.160962
2012-04-02 0.209 0.193878
2012-03-01 0.304 0.281795
2012-02-01 0.287 0.265470
2011-12-27 0.267 0.247934
2011-12-01 0.275 0.255719
2011-11-01 0.272 0.252296
2011-10-03 0.289 0.267469
2011-09-01 0.282 0.260148
2011-08-01 0.337 0.314219
2011-07-01 0.322 0.303059
2011-06-01 0.288 0.268857
2011-05-02 0.305 0.288008
2011-04-01 0.299 0.284545
2011-03-01 0.325 0.309170
2011-02-01 0.341 0.325071
2010-12-28 0.342 0.326929
2010-12-01 2.864 2.704438
2010-11-01 0.214 0.195273
2010-10-01 0.301 0.276350
2010-09-01 0.259 0.236465
2010-08-02 0.279 0.254330
2010-07-01 0.340 0.311498
2010-06-01 0.334 0.308916
2010-05-03 0.302 0.282586
2010-04-01 0.316 0.296769
2010-03-01 0.378 0.353139
2010-02-01 0.325 0.303540
2009-12-29 0.311 0.293452
2009-12-01 0.373 0.346140
2009-11-02 0.373 0.349153
2009-10-01 0.363 0.339951
2009-09-01 0.368 0.347334
2009-08-03 0.316 0.300238
2009-07-01 0.341 0.324391
2009-06-01 0.261 0.249212
2009-05-01 0.248 0.235183
2009-04-01 0.268 0.253572
2009-03-02 0.270 0.257855
2009-02-02 0.293 0.281406
2008-12-29 0.272 0.258900
2008-12-01 0.325 0.313404
2008-11-03 0.320 0.319234
2008-10-01 0.490 0.483235
2008-09-02 0.464 0.457098
2008-08-01 0.425 0.423560
2008-07-01 0.423 0.419726
2008-06-02 0.433 0.425553
2008-05-01 0.404 0.393302
2008-04-01 0.325 0.316733
2008-03-03 0.289 0.282199
2008-02-01 0.378 0.366244
2007-12-27 0.406 0.401980
2007-12-03 0.387 0.378818
2007-11-01 0.411 0.406890
2007-10-01 0.394 0.392861
2007-09-04 0.396 0.397471
2007-08-01 0.436 0.440627
2007-07-02 0.395 0.399838
2007-06-01 0.456 0.458983
2007-05-01 0.443 0.440139
2007-04-02 0.235 0.233366
Additional Data
dividendDate 2018-04-06
dividendYield 4.34

Info Dump

Attribute Value
All Time High 115.28
All Time Low 85.28
Ask 93.4
Ask Size 12
Average Daily Volume10 Day 2,847,270
Average Daily Volume3 Month 2,191,158
Average Volume 2,191,158
Average Volume10Days 2,847,270
Beta3 Year 1.14
Bid 93.12
Bid Size 12
Category Government Mortgage-Backed Bond
Crypto Tradeable 0
Currency USD
Custom Price Alert Confidence HIGH
Day High 93.69
Day Low 93.1201
Dividend Date 1,522,972,800
Dividend Yield 4.34
Esg Populated 0
Exchange NGM
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 93.61
Fifty Day Average Change -0.44000244
Fifty Day Average Change Percent -0.0047003785
Fifty Two Week Change Percent -0.5125463
Fifty Two Week High 96.97
Fifty Two Week High Change -3.800003
Fifty Two Week High Change Percent -0.03918741
Fifty Two Week Low 92.68
Fifty Two Week Low Change 0.48999786
Fifty Two Week Low Change Percent 0.005286986
Fifty Two Week Range 92.68 - 96.97
First Trade Date Milliseconds 1,174,051,800,000
Five Year Average Return 0.002866
Full Exchange Name NasdaqGM
Fullday Change -0.349998
Fullday Change Percent -0.37425
Fullday Price 93.14
Fund Family iShares
Fund Inception Date 1,173,744,000
Gmt Off Set Milliseconds -14,400,000
Has Pre Post Market Data 1
Language en-US
Legal Type Exchange Traded Fund
Long Business Summary The fund will invest at least 80% of its assets in the component securities of the underlying index and TBAs that have economic characteristics that are substantially identical to the economic characteristics of the component securities of the index, and the fund will invest at least 90% of its assets in fixed income securities of the types included in the underlying index that BFA believes will help the fund track the index.
Long Name iShares MBS ETF
Market us_market
Market State CLOSED
Max Age 86,400
Message Board Id finmb_33254221
Nav Price 93.57824
Net Assets 38,928,835,000.0
Net Expense Ratio 0.04
Open 93.58
Phone 415-670-2000
Post Market Change -0.02999878
Post Market Change Percent -0.032197896
Post Market Price 93.14
Post Market Time 1,787,961,014
Previous Close 93.52
Price Hint 2
Quote Source Name Nasdaq Real Time Price
Quote Type ETF
Region US
Regular Market Change -0.349998
Regular Market Change Percent -0.37425
Regular Market Day High 93.69
Regular Market Day Low 93.1201
Regular Market Day Range 93.1201 - 93.69
Regular Market Open 93.58
Regular Market Previous Close 93.52
Regular Market Price 93.17
Regular Market Time 1,787,947,201
Regular Market Volume 1,910,107
Short Name iShares MBS ETF
Source Interval 15
Symbol MBB
Three Year Average Return 0.051188003
Total Assets 38,928,834,560
Tradeable 0
Trailing Peg Ratio None
Trailing Three Month Nav Returns -0.93056
Trailing Three Month Returns -0.93056
Triggerable 1
Two Hundred Day Average 94.7475
Two Hundred Day Average Change -1.5774994
Two Hundred Day Average Change Percent -0.01664951
Type Disp ETF
Volume 1,910,107
Yield 0.0434
Ytd Return -0.40745