— Know what they know.
Not Investment Advice

OEF

iShares S&P 100 ETF
1W: -0.9% 1M: +5.6% 3M: +9.6% YTD: +8.2% 1Y: +29.3% 3Y: +100.8% 5Y: +107.2%
$371.19
+0.80 (+0.22%)
 
Weekly Expected Move ±1.7%
$357 $363 $369 $376 $382
ETF AMEX · AUM $33.1B

Short Volume Summary

2026-05-21
42.2%
Short Ratio
of total volume
39.6%
20-Day Avg
29.3%
50-Day Avg
▲ Rising
5-Day Trend
0.1M
Short Volume
0.1M
Total Volume

Daily Short Volume Ratio

Short Volume vs Total Volume

Exchange Breakdown

2026-05-21
ExchangeShort VolumeTotal VolumeShort %
NASDAQ 58,240 140,102 41.6%
NYSE 1,700 2,645 64.3%
BATS 810 1,167 69.4%

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms