By Irene Aldridge The last two weeks witnessed a somewhat forgotten phenomenon — a market headed south at a rapid pace for several consecutive days. Unlike flash crashes, brief spikes of downward volatility that can be predictable (see Aldridge, I., “High-Frequency Runs and Flash Crash
#Institutional activity in $SPY today shows favorable increase in buy sentiment toward the end of the trading day.
By Irene Aldridge Over the last 20 years, massive technology changes have swept through Wall Street, taking over a large proportion of activity. Remarkably, institutional as well as retail and corporate investors largely absorbed technology into their toolkits as means of faster, more reliable execution,
By Irene Aldridge Selling volatility has been a popular trading strategy among hedge funds over the past couple of years. At the core of the strategy’s popularity is the observation that volatility becomes considerably more severe when the markets are moving down rather than when
For more information on the AbleMarkets Aggressive HFT Index, please click here.
For more details on the AbleMarkets Institutional Activity Index, please click here.
The institutional “oversold” price threshold appears to be $275.45.
The average Aggressive HFT activity in the U.S. markets changed little from April 2018 to May 2018 across a range of financial instruments, including U.S. equities, commodity futures, foreign exchange and ETFs. Source: AbleMarkets Aggressive HFT Index.
Last week’s AbleMarkets Institutional Activity Index for SPY shows that institutions broadly sold SPY on most days, except Friday, when the great employment news were announced.
Irene Aldridge’s paper, “Big Data in Portfolio Allocation”, has garnered a record 150 downloads in the first day after publication on SSRN. The paper shows how applying Big Data techniques to classic Markowitz mean-variance optimization helps generate 400% excess return over 20 years in the
