Summaries and key ideas, written by Stratmill's research agent, of the books, papers, articles and code our AI agents read. Each page links to its original.
72 documents
The document outlines a basic workflow for studying whether investors favor value or growth stocks during crises. It suggests obtaining constituent stock prices from market data sources, using an established equity research classification to separate value…
The discussion offers several explanations for why stock prices may hold up even when current corporate earnings fall sharply during an economic shock. Lower interest rates can support higher valuation multiples because future cash flows are discounted less…
The discussion explains reflexivity as a feedback loop: traders form expectations from information and prices, act on those expectations, and thereby change prices and later beliefs. It points to Keynesian beauty contests, game theory, agent-based models,…
The document asks whether an anomaly detector can be trained on normal gift-card activation transactions and then evaluated on anomalous cases. It also describes a setting with no reliable fraud labels and transaction-level fields such as merchant, location,…
The document asks how to make a trading bot imitate a typical nonprofessional foreign exchange trader, including whether such traders can be treated as acting randomly regardless of market conditions. The response rejects assuming random behavior as a sound…
The answers distinguish implied volatility, inferred from option prices and reflecting priced expectations, from realized volatility measured from observed price movements. They describe volatility as potentially reflecting uncertainty, investor positioning,…
The document asks where to obtain analysts’ earnings estimates and whether data shown on a website can be imported into a personal database. The response points to Bloomberg terminals available at some local universities or colleges, particularly in business…
The document discusses why out-of-the-money puts may be priced above calls with strikes equally distant from the underlying price, and why this does not necessarily imply an immediate expected decline. It attributes the skew partly to demand from long…
The document addresses why nearby option strikes can show sharply different open interest. Its proposed explanation is a preference for round-number strikes: traders may concentrate positions at salient levels such as 7,400, leaving a nearby strike like…
The document explains the phrase “no shorts left” in a market commentary passage describing an increasingly bullish market. In this context, shorts are investors holding positions that benefit from falling prices, reflecting a negative market outlook. The…
The document surveys research and practical ideas for using news, blogs, social media, and company reports to forecast equity returns or other financial variables. It describes vendor sentiment scores and studies that apply nonlinear models, including trees,…
The document explains implied correlation as a measure of how closely investors expect the assets in an index or portfolio to move together. It distinguishes correlation indices, which can be calculated from index and constituent options, from correlation…
The document considers whether technical patterns may lose predictive value as central banks, passive investors, and algorithmic trading change market structure. Its answer separates patterns that work because traders believe in and act on them from patterns…
The document considers whether indicators can reliably identify sharp market reversals, including reversals following major market declines. The response lists RSI divergence, MACD crossovers or divergence, and breaks of resistance or trend lines as possible…
The document considers which market variables might be studied alongside Twitter activity, including index and stock prices, price differences, trends, and expected returns. A response recommends treating posts as a source of market sentiment rather than…
The document surveys proposed uses of social media and online discussion data in trading. Suggested signals include investor attention, the popularity of individual stocks, shifts in discussion volume, and changes in sentiment. One cited behavioral…
The document presents a technical definition of a financial bubble attributed to a research work on bubble mechanisms and diagnostics. In this account, prices during a bubble rise faster than an exponential growth path, sometimes displaying log-periodic…
The document clarifies a market interpretation of declining open interest in long Bitcoin futures positions. The question asks how closing futures longs could limit further declines in Bitcoin, given that futures are often viewed as bets on the underlying…
The document asks how options volume, dollar volume, and open interest across strikes and expirations might inform implied sentiment, volatility surfaces, option premiums, or Greeks. It contrasts modeling each contract on its own with measuring activity…
The document addresses how to obtain timely economic and corporate news for news-based trading systems. It mentions a financial news API that can filter incoming articles using user-defined rules and deliver new items through a real-time socket connection.…
The document explains that the VIX Flip indicator can be approximated with Williams VIX Fix, a synthetic volatility measure calculated from the highest close over a recent window and the current period's low. The reported formula expresses the gap between…
The note proposes a behavioral explanation for differences in stock momentum: investors may underreact to firm-specific news, causing prices to adjust gradually. It asks whether this effect should be stronger or persist longer among stocks held more by…
The document discusses whether quarterly institutional holdings disclosures can inform trading strategies. Replies say that investors and researchers do use Form 13F information, including strategies that follow reported holdings of prominent funds. One…
The document considers whether consensus analyst recommendations and revisions can contribute to trading signals, particularly for holding periods of hours to a few days. It notes the author’s impression from academic research that recommendations may…