Allison BishopinProof ReadingInformation Leakage: The Research AgendaImagine a world where cars are self-driving, dishes are self-cleaning, and books are self-reading. Imagine a future where man is not just…Sep 9Sep 9
Allison BishopinProof ReadingBill Guinan’s Wall Street: The Movie[TL/DR: Proof is excited to welcome Bill Guinan as our new head of sales! Instead of giving you the bullet points of his bio in a typical…Aug 7Aug 7
Allison BishopinProof ReadingMean Squared Error Can Be Too Mean[TL:DR] We develop a new metric for evaluating predictions of closing auction sizes for US equities trading. This leads us to an improved…Apr 15Apr 15
Allison BishopinProof ReadingReflections on Randomness [and reality TV]There are many lessons to draw from Netflix’s “Squid Game: The Challenge,” a reality competition show. The most important — that…Jan 31Jan 31
Allison BishopinProof ReadingAlice Tells a StoryIt takes a certain amount of hubris to write a blog. Ideally, just a pinch. Enough to imagine that your words can matter or that…Oct 25, 2023Oct 25, 2023
Allison BishopinProof ReadingThe SEC Thinks PDA is Dangerous, and Other Signs that They Have Hired Your MomThere is something I have to get out of the way up front. I can’t make it all the way through the SEC’s rule proposal on brokers’ use of…Sep 5, 20231Sep 5, 20231
Allison BishopinProof ReadingInformation Leakage Can Be Measured at the SourceTL/DR: Proof has put out a new whitepaper on defining and measuring information leakage. The main idea is that information leakage can be…Jun 20, 2023Jun 20, 2023
Allison BishopinProof ReadingDid the Market Really Freak Out About a Fake Photo?On May 22, 2022, the S&P 500 fell about −0.7% over the course of roughly 28 minutes before substantially rebounding. We can see this…Jun 8, 2023Jun 8, 2023
Allison BishopinProof ReadingThe law of large numbers is really the law of small weightsTL/DR: We present a framework for heuristic calculation of what kind of sample sizes are needed to precisely evaluate broker performance at…May 4, 2023May 4, 2023
Allison BishopinProof ReadingThe SEC Proposal to Lower Access Fees is Good, but Doesn’t Address the Real Problem: Rebate TiersTL/DR: We submitted a comment letter to the SEC on the recent proposal concerning tick sizes, access fees, and adding odd lot information…Apr 6, 2023Apr 6, 2023