Reading by O'Hara

Aenny

Active Member
Subscriber
Hi David,
as so far no items are shown in the study section for the Current Issues Readings i searched the readings by myself on the internet. I found nearly every paper GARP refers to. But unfortunately I was not able to find the paper of O'Hara High Frequency Trading and Its Impact on Markets.
I know you just getting through the changes step by step.
I wanted to ask if you could help by finding a source ?

*resolved but I am not able to delete that thread - maybe you could do this for me David? *

thanks
 
Last edited:

E16mark

New Member
Subscriber
I'm not sure the link above is citing the right article? The one from the syllabus is "High-frequency trading and its impact on markets" and the one above is "High Frequency Market Microstructure"?
 

Aenny

Active Member
Subscriber
I tried to summarize the reading - Maybe it is helpful for others - feel free to extend/correct/..
  • 25% - 50% of trade volume done by HFT (high frequency trading) [trading systrems ^= computers] vs. low-frequency trading [humans]
  • machines think in cycles (amount of volume) vs humans think in time
  • spreads are small; HFT move liquidity between markets; can be triggered by their own actions
  • (predatory) illegal actions: - quote danglers: obfuscating quote process by enter & instantaneously cancel limit orders - pack hunters: force stop loss by moving quote up and down to find hidden stop orders - quote stuffers: overwhelm exchange with messages with intent to slowing down competing algorithms
  • HTF look for level III quotes; use natural language programming (NLP); develop market sentiment indices
  • PIN models (probability of informed trading): estimate probability of informed trades (CDF); difficult to implent by hude trade volume and high frequency
  • VPIN (volume synchronized probability of informed trading): - measure of market's "Toxicity" - using a volume clock; works by capturing imbalance between buy-initiated volume and sell-initiated volume over volume increments
  • high frequency makets habe different risk; need of smart brokers (trading immediately ^= high liquidity costs but low timing costs and vice versa)
 

tosuhn

Active Member
Hi all, actually I found all the reading materials under the Current Issue section under the GARP website.
Let me know if you can't find it. I can email to you the PDFs.
 

Abhishek...

New Member
Subscriber
Hi @tosuhn could you please guide me to the link from where I can download the Current Issue readings, the new website is giving me some issues.... thanks in advance.
 
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