iShares MSCI USA Size Factor ETF (SIZE) — Price History

As of 2026-08-07 — refreshed nightly from the Closelook data lake. Diary readings, not advice.

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Daily prices

DateOpenHighLowCloseChg %Volume
2026-08-07183.22184.32183.22184.29+1.06%4,100
2026-08-06183.21183.21181.95182.35-0.29%3,100
2026-08-05184.01184.42182.88182.88-0.46%3,400
2026-08-04181.69183.79181.62183.72+1.60%6,400
2026-08-03180.14180.83180.14180.83+1.29%2,200
2026-07-31179.23179.23178.51178.53-0.35%4,900
2026-07-30178.97179.16177.32179.16+0.03%4,400
2026-07-29180.80180.80179.10179.10-1.08%2,600
2026-07-28179.92181.06179.92181.05+1.02%5,600
2026-07-27178.96179.28178.91179.23+0.82%3,000
2026-07-24177.27178.25177.09177.78+0.63%5,400
2026-07-23176.60176.67176.25176.67-0.36%2,700
2026-07-22178.12178.12177.08177.31-0.08%3,500
2026-07-21177.38177.72177.38177.46+0.17%2,800
2026-07-20178.22178.22177.15177.15-0.51%2,100
2026-07-17178.39179.42177.88178.06-0.66%4,700
2026-07-16179.04179.28178.84179.24-0.18%12,400
2026-07-15179.09179.56177.84179.56+0.49%9,900
2026-07-14179.17179.30178.53178.69-0.18%4,300
2026-07-13179.44179.44179.02179.02-0.19%1,600
2026-07-10179.33179.54178.94179.36+0.26%1,600
2026-07-09179.41179.41178.86178.90+0.79%2,100
2026-07-08177.13177.62177.12177.50-1.18%3,600
2026-07-07180.71180.71179.56179.62-0.58%1,900
2026-07-06179.83180.66179.83180.66+1.45%6,300
2026-07-02179.44179.44178.07178.07+0.47%7,100
2026-07-01178.10180.03177.23177.23-0.59%11,900
2026-06-30177.79178.45177.67178.28+0.13%8,683
2026-06-29177.91178.04176.96178.04+0.45%3,149
2026-06-26176.07177.25176.07177.25+0.43%3,200
2026-06-25176.83176.83176.49176.49+0.50%800
2026-06-24174.62176.46174.62175.62+0.52%2,000
2026-06-23173.82175.30173.82174.71-0.38%3,200
2026-06-22176.23176.23175.08175.38-0.01%21,000
2026-06-18176.09176.09175.06175.40+0.58%4,800
2026-06-17177.14177.19174.39174.39-1.59%1,600
2026-06-16177.68178.01177.14177.21-0.18%5,700
2026-06-15178.09178.34177.53177.53+0.42%3,100
2026-06-12176.42176.97175.87176.78+0.56%4,221
2026-06-11173.51176.11173.51175.79+1.55%4,173
2026-06-10174.82175.82173.11173.11-1.29%3,132
2026-06-09176.31176.31173.04175.38+0.84%4,958
2026-06-08175.17175.22173.92173.92-0.13%6,820
2026-06-05176.20176.20174.06174.15-1.60%3,700
2026-06-04176.07177.11176.07176.99+0.79%3,800
2026-06-03176.11176.11175.52175.60-0.68%3,800
2026-06-02175.94176.80175.54176.80+0.27%4,300
2026-06-01175.13176.70175.13176.32+0.23%4,400
2026-05-29175.41176.13175.35175.91+0.24%4,900
2026-05-28174.87175.96174.56175.49+0.45%34,800
2026-05-27175.37175.37174.70174.70-0.31%4,200
2026-05-26174.51175.36174.51175.24+0.76%6,500
2026-05-22173.85174.06173.24173.92+1.00%8,600
2026-05-21170.68172.26170.11172.19+0.41%14,300
2026-05-20170.74171.49170.72171.49+1.32%3,600
2026-05-19169.07169.93169.07169.26-0.51%2,500
2026-05-18170.11170.63169.67170.13+0.29%6,500
2026-05-15170.64170.64169.63169.64-1.30%13,100
2026-05-14171.28172.21171.28171.88+0.50%2,500
2026-05-13170.92171.30170.69171.02-0.26%2,000
2026-05-12170.82171.50170.22171.46-0.19%2,700
2026-05-11171.74172.12171.65171.79+0.25%8,300
2026-05-08171.37171.45170.83171.36+0.30%3,300
2026-05-07171.75172.02170.79170.85-1.13%3,600
2026-05-06172.27173.02172.27172.80+1.01%1,900
2026-05-05170.51171.32170.13171.07+0.94%23,500
2026-05-04170.12170.31169.32169.47-0.52%3,600
2026-05-01171.13171.13170.35170.35-0.14%2,500
2026-04-30168.83170.69168.83170.59+1.57%6,400
2026-04-29168.27168.27167.70167.95-0.17%7,200
2026-04-28168.84168.84167.70168.24-0.65%1,868
2026-04-27169.26169.58169.26169.34-0.13%3,522
2026-04-24170.08170.08169.27169.56-0.15%4,700
2026-04-23169.85170.29169.49169.81-0.01%4,400
2026-04-22170.74170.74169.44169.82+0.21%5,200
2026-04-21171.17171.49169.31169.47-0.57%9,700
2026-04-20169.73170.44169.73170.44+0.36%4,800
2026-04-17169.68170.15169.68169.83+0.99%1,800
2026-04-16167.50168.16167.16168.16+0.62%8,500
2026-04-15167.26167.26166.36167.13+0.04%10,300
2026-04-14166.39167.09166.39167.07+0.55%8,800
2026-04-13163.69166.16163.69166.16+1.29%5,500
2026-04-10165.14165.14163.91164.05-0.38%4,700
2026-04-09164.41164.98164.05164.68-0.10%5,100
2026-04-08164.22164.89164.11164.84+2.94%9,700
2026-04-07160.43161.16159.91160.13-0.56%12,300
2026-04-06160.92161.03160.68161.03+0.39%2,500
2026-04-02160.08160.41159.58160.41+0.38%6,200
2026-04-01159.78160.59159.78159.81+0.22%3,400
2026-03-31157.10159.46156.39159.46+2.59%5,900
2026-03-30157.52157.54155.08155.44-0.38%9,900
2026-03-27157.75157.75156.03156.03-1.36%15,000
2026-03-26159.12160.45158.13158.18-1.49%2,600
2026-03-25160.12160.75159.64160.57+0.80%53,900
2026-03-24158.01159.98158.01159.29+0.16%14,466
2026-03-23159.47160.95159.04159.04+1.14%7,741
2026-03-20159.54159.54156.85157.25-1.56%4,200
2026-03-19159.04159.74158.60159.74+0.05%2,000
2026-03-18161.20161.20159.66159.66-1.34%2,300
2026-03-17162.41162.41161.83161.83+0.19%3,000
2026-03-16161.90161.90161.12161.52+0.92%13,100
2026-03-13161.48161.48160.04160.04-0.04%4,857
2026-03-12161.62161.62160.10160.10-1.66%8,935
2026-03-11163.26163.43162.39162.80-0.30%3,723
2026-03-10164.54165.04163.29163.29-0.80%4,082
2026-03-09161.32164.61160.71164.61+0.38%10,530
2026-03-06163.13163.98163.13163.98-1.30%1,565
2026-03-05166.81166.81165.73166.14-1.08%2,442
2026-03-04167.77168.16166.83167.95+0.53%9,039
2026-03-03166.25167.54164.87167.07-1.23%4,093
2026-03-02168.53169.65168.53169.15-0.11%5,814
2026-02-27168.04169.34167.62169.34-0.09%4,704
2026-02-26168.70169.50168.70169.50+0.73%2,878
2026-02-25168.52168.52167.57168.27+0.12%6,235
2026-02-24166.57168.08166.57168.06+0.95%12,393
2026-02-23168.22168.22166.17166.48-1.54%2,205
2026-02-20167.94169.09167.94169.09+0.49%4,685
2026-02-19168.25168.27167.30168.27-0.38%2,989
2026-02-18168.97168.98168.21168.91+0.82%3,261
2026-02-17167.28167.66167.28167.54-0.21%2,348
2026-02-13166.53168.46166.34167.89+1.01%4,045
2026-02-12169.85169.85166.07166.21-1.73%5,412
2026-02-11169.31169.31168.42169.14-0.06%6,079
2026-02-10168.58169.28168.58169.24+0.74%7,952
2026-02-09167.67168.51167.67168.00-0.13%3,435
2026-02-06165.86168.22165.86168.22+2.14%4,693
2026-02-05165.42165.55164.36164.69-0.85%2,366
2026-02-04164.92166.11164.92166.11+0.74%1,538
2026-02-03165.93165.93164.50164.89-0.52%4,658
2026-02-02164.77166.03164.77165.76+0.20%2,998
2026-01-30165.33165.43164.49165.43-0.36%3,452
2026-01-29166.96166.96165.42166.03-0.23%3,752
2026-01-28167.11167.11166.37166.42-0.28%9,836
2026-01-27167.03167.03166.60166.88-0.08%3,234
2026-01-26167.08167.47166.93167.01+0.19%4,697
2026-01-23166.86166.86166.30166.70-0.40%2,843
2026-01-22167.89168.30167.18167.37+0.18%4,324
2026-01-21165.72167.41165.72167.07+1.41%3,773
2026-01-20165.50166.22164.74164.74-1.73%6,120
2026-01-16167.92168.13167.60167.64-0.36%3,536
2026-01-15167.81168.41167.77168.24+1.11%8,847
2026-01-14166.42166.49166.39166.39-0.23%3,012
2026-01-13167.32167.32166.39166.77-0.10%4,960
2026-01-12166.34166.93166.17166.93-0.14%2,497
2026-01-09167.09167.17166.72167.17+0.71%5,908
2026-01-08164.54166.25164.54165.99+0.52%3,924
2026-01-07166.53166.53165.13165.13-1.01%5,244
2026-01-06164.39166.82164.39166.82+1.41%14,646
2026-01-05163.21164.86163.21164.50+1.08%3,468
2026-01-02161.64162.90161.61162.75+0.73%3,108
2025-12-31163.11163.11161.57161.57-1.36%4,071
2025-12-30163.22163.80163.06163.80+0.04%5,288
2025-12-29163.48163.73163.30163.73-0.02%2,570
2025-12-26163.64163.76163.40163.76-0.23%1,909
2025-12-24164.04164.13164.04164.13+0.51%1,664
2025-12-23163.55163.55162.92163.29-0.48%4,424
2025-12-22163.01164.08163.01164.08+1.03%25,820
2025-12-19161.99162.83161.99162.41+0.29%15,619
2025-12-18162.61162.61161.69161.94-0.15%9,136
2025-12-17161.79162.18161.09162.18+0.22%6,006
2025-12-16162.66162.66161.29161.82-0.99%4,432
2025-12-15164.51164.51163.15163.44-0.07%3,086
2025-12-12164.04164.04163.38163.56-0.79%6,593
2025-12-11164.51164.97164.42164.86+0.69%5,719
2025-12-10161.75163.87161.73163.74+1.37%6,971
2025-12-09162.02162.42161.53161.53-0.19%2,580
2025-12-08162.35162.35161.84161.84-0.54%5,510
2025-12-05162.75163.47162.72162.72+0.12%5,116
2025-12-04162.54162.80162.31162.53-0.58%27,497
2025-12-03161.50163.48161.50163.48+1.57%4,341
2025-12-02160.99161.15160.71160.96+0.07%3,247
2025-12-01160.92161.84160.84160.84-0.62%3,176
2025-11-28161.52161.97161.50161.85+0.56%1,478
2025-11-26160.17161.52160.17160.95+0.41%2,803
2025-11-25157.85160.29157.85160.29+2.04%5,405
2025-11-24157.17158.09157.08157.08+0.31%13,780
2025-11-21154.78157.55154.78156.59+1.66%4,693
2025-11-20157.85157.88154.04154.04-1.33%2,881
2025-11-19156.66156.83155.59156.11-0.23%8,851
2025-11-18156.19157.32155.86156.47-0.11%5,782
2025-11-17158.77158.77156.20156.65-1.40%7,372
2025-11-14158.33159.61158.29158.88-0.26%3,153
2025-11-13161.48161.48159.28159.30-0.77%3,671
2025-11-12162.52162.52160.54160.54-0.63%36,722
2025-11-11160.97161.89160.94161.55+0.32%3,987
2025-11-10160.73161.29159.88161.03+0.81%4,105
2025-11-07157.91159.74157.56159.74+0.67%4,424
2025-11-06159.61159.61158.40158.68-0.68%9,421
2025-11-05158.74160.31158.74159.77+0.60%2,930
2025-11-04158.82159.07158.62158.82-0.86%4,588
2025-11-03159.00160.20159.00160.19-0.25%2,923
2025-10-31159.86160.96159.86160.59+0.63%5,602
2025-10-30159.66160.89159.58159.58-0.58%3,065
2025-10-29161.68161.76160.33160.51-0.87%3,759
2025-10-28162.94162.94161.92161.92-0.88%3,038
2025-10-27163.45163.45162.93163.36+0.55%7,627
2025-10-24163.18163.18162.46162.46+0.49%5,536
2025-10-23161.06162.08160.81161.66+0.58%4,405
2025-10-22161.50161.50160.28160.72-0.77%5,839
2025-10-21161.12162.18161.12161.96+0.14%3,716
2025-10-20160.41161.73160.41161.73+1.39%3,491
2025-10-17158.71159.65158.71159.52+0.56%3,214
2025-10-16160.88160.88158.63158.63-1.09%3,219
2025-10-15160.96160.96159.55160.38+0.23%1,869
2025-10-14157.41160.54157.41160.01+1.00%4,019
2025-10-13158.46158.92158.31158.43+1.08%3,165
2025-10-10161.30161.38156.74156.74-2.50%7,866
2025-10-09162.19162.19160.76160.76-0.62%4,020
2025-10-08161.65162.16161.65161.76+0.37%12,827
2025-10-07162.64162.64160.97161.16-0.57%3,177
2025-10-06163.05163.05162.08162.08+0.02%4,066
2025-10-03162.05162.91162.04162.04+0.28%5,665
2025-10-02161.33161.61160.90161.59+0.34%4,788
2025-10-01160.58161.24160.58161.05+0.17%3,491
2025-09-30160.74160.99160.12160.78+0.47%6,393
2025-09-29160.62160.73160.02160.02+0.11%6,814
2025-09-26159.22160.23159.22159.85+0.81%4,184
2025-09-25159.17159.19158.45158.57-0.92%11,607
2025-09-24160.85160.85160.00160.05-0.32%5,743
2025-09-23160.80161.43160.45160.56-0.09%3,811
2025-09-22160.12160.80160.04160.71+0.26%9,735
2025-09-19161.20161.20160.14160.29-0.34%8,711
2025-09-18160.96161.06160.71160.83+0.90%3,760
2025-09-17159.58160.37159.40159.40-0.02%5,364
2025-09-16159.52159.55159.08159.43-0.61%3,336
2025-09-15160.96161.09160.26160.41-0.11%3,500
2025-09-12161.51161.51160.58160.58-0.74%3,847
2025-09-11159.76161.87159.76161.78+1.46%6,506
2025-09-10159.78160.21159.03159.45-0.14%11,481
2025-09-09159.97159.97159.28159.68-0.18%8,092
2025-09-08159.44159.97159.44159.97+0.16%3,571
2025-09-05160.24160.24159.24159.72+0.03%4,170
2025-09-04158.75159.68158.75159.68+0.85%2,245
2025-09-03158.58158.86157.83158.33-0.25%2,991
2025-09-02158.28158.72157.85158.72-0.69%1,793
2025-08-29160.10160.10159.36159.82-0.26%2,233
2025-08-28160.21160.23159.90160.23+0.16%1,599
2025-08-27159.31160.00159.31159.97+0.42%10,261
2025-08-26159.24159.30158.82159.30+0.14%2,181
2025-08-25160.01160.01159.07159.07-0.79%2,549
2025-08-22158.93160.64158.93160.34+1.93%3,259
2025-08-21157.37157.51156.96157.30-0.34%7,354
2025-08-20157.89157.89157.17157.83-0.11%3,434
2025-08-19157.66158.00157.46158.00+0.71%12,060
2025-08-18157.63157.78156.89156.89-0.11%4,943
2025-08-15158.14158.14157.07157.07-0.39%3,971
2025-08-14157.32158.03157.15157.68-0.72%4,049
2025-08-13157.61158.92157.56158.83+1.23%3,421
2025-08-12155.61156.90155.61156.90+1.49%3,259
2025-08-11155.89156.00154.59154.59-0.50%6,893

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Nov (+6.02%). Worst month: Dec (-1.63%). Based on 5 years of daily data (2022–2026).

FAQ · from the current price data · as of 2026-08-07

Quick answers

What is iShares MSCI USA Size Factor ETF's (SIZE) latest close?

184.29 on 2026-08-07, from the Closelook data lake's daily price record.

What is SIZE's 52-week high and low?

184.42 high and 154.04 low over the trailing 52 weeks, as of 2026-08-07.

What is iShares MSCI USA Size Factor ETF's strongest and weakest month historically?

Historically, SIZE's strongest calendar month has been Nov (average +6.02%) and its weakest Dec (average -1.63%), based on 5 years of daily data (2022–2026).

How many years of seasonality does this cover?

5 years (2022–2026), computed from 965 daily bars in the Closelook data lake.