From countless papers to tested ideas in minutes.

Outsample reads the most relevant papers in your corpus and returns strategies, research programs, and answers backed by the papers it read. It stress tests its own ideas, and tells you when the evidence isn't there.

No card. 3 full synthesis runs included.

13,935 searchable papers in the corpus. 5 research programs in 61 s for $0.09. 35 adversarial findings on the last strategy run.

01 / the bottleneck

The bottleneck is not access. It is synthesis.

Reading fifty papers to find the three disagreements that matter takes weeks, and most ideas die in the data.

the workflow

How research ideas become vetted strategies

  1. Recommendations

    Give it a focus hint, or leave it blank to span your relevance scored corpus. Either way it produces research ideas worth looking into.

  2. Suggest a project

    Take your pick of an idea, and it scaffolds a project around it, with a draft thesis, open questions, and seed papers to start from.

  3. Strategies

    From your project, it generates literature backed trade strategies based on the papers you selected, or the ones it pulled.

  4. Devil's Advocate

    Adversarially critiques its own strategies. Even its best rated strategies get stress tested before you pursue them.

Outsample Ask the corpus
Corpus
Ask the corpus

Sonnet retrieves the most-similar papers from the corpus and synthesizes an answer with citations.

Question 133 / 2000 Mode
Quick mode · 6 citations

What does the literature say about drift bursts in equity index futures, and how have researchers characterised their predictability?

The most directly relevant work in this corpus is the drift burst hypothesis paper, which provides a comprehensive treatment of the phenomenon and its predictability in equity index futures and other markets.

Drift bursts are defined as short-lived explosive price trends that arise from disruptions in liquidity provision. The drift burst hypothesis paper documents that these episodes occur approximately once per week across a broad range of asset classes, including equities, fixed income, currencies, and commodities. The key empirical finding is that the majority of drift bursts are followed by price reversion, meaning they resemble miniature flash-crash events rather than genuine information-driven price discoveries. The authors develop a nonparametric test statistic, computed from high-frequency data at five-second intervals, that can flag incipient drift burst episodes in real time before the full price reversal occurs. The test statistic provides a formal, model-free way to distinguish genuine drift from microstructure noise, and it can be monitored continuously during the trading day.

On predictability, the paper characterises drift bursts as predominantly mean-reverting, with the reversal being asymmetric by sign and volume. Negative drift bursts accompanied by high trading volume exhibit the strongest and most reliable reversals, generating an . The overall magnitude of drift burst episodes ranges from roughly 25 to 200 basis points. This asymmetry, where the direction of the burst and concurrent volume jointly condition the predictability of the subsequent reversion, is central to how researchers characterise the tradeable signal. The theoretical motivation links drift bursts to liquidity dynamics: when market-making capacity is temporarily withdrawn or overwhelmed, prices can drift rapidly in one direction before liquidity is restored and prices snap back.

The broader high-frequency microstructure literature provides supporting context. Work on shows that equity co-movements vary systematically across the trading day, which is relevant to understanding when liquidity conditions are most fragile and drift bursts most likely. Research on demonstrates that the clustering of extreme price moves in time, a phenomenon closely related to drift bursts, can be partially anticipated using the history of trade inter-arrival times and order flow. Jump detection methodology, including the use of high-frequency futures data and extreme value theory to extract tail risk premia, is related in spirit to the nonparametric detection approach used in the drift burst literature, though it focuses on discontinuous jumps rather than the continuous but explosive price paths that define drift bursts.

The VIX futures term structure literature offers a coarser, lower-frequency perspective on anticipating stress episodes: steep contango in VIX futures has been associated with late bull-market phases where fragility may accumulate, potentially creating conditions conducive to drift burst activity, though this link is indirect. Similarly, work on options-implied risk appetite and market liquidity as causal drivers of market troughs is conceptually aligned with the idea that liquidity withdrawal precedes extreme short-term price dislocations.

In summary, the literature characterises drift bursts in equity index futures as regular, liquidity-driven phenomena with statistically predictable reversion properties, especially for negative high-volume episodes. The primary tool for real-time detection is the nonparametric drift burst test statistic applied to five-second high-frequency data, and the primary trading implication is a contrarian liquidity-provision strategy that captures the post-burst reversion premium while carefully accounting for the elevated transaction costs that prevail during extreme microstructure stress.

Cited papers

Real run, 2026-06-11. Quick mode, $0.0501, 34.28 s wall time, 6 papers cited.

02 / ask the corpus

Point it at a corpus. Ask. Get the answer and the papers it leaned on.

A synthesized answer with citations to the papers used
similarity scores
the cost in frame

Real run, 2026-08-04. Order-flow imbalance, answered from the corpus with every source cited. 60.6 s, $0.06.
03 / strategies

Concrete, testable strategies. Generated from the papers it just read.

Each one carries entry and exit logic
position sizing
a confidence read
the papers behind it

Real run, 2026-08-04. Entry and exit logic on every strategy. 3.0 min, $0.32.
04 / adversarial review

Then every strategy gets a hostile review before you see it.

Lookahead
overfitting
regime dependence
cost drag
statistical validity
all flagged with a verdict

Real run, 2026-08-04. Devil’s Advocate on one strategy: findings and verdict. 3.0 min, $0.32.
05 / the obvious question

My LLM already does this.

It doesn't, and the difference is mechanical. A chatbot answers from what it remembers or what a search returned, and it writes the citations with the same confidence as everything else.

Here, retrieval is its own step and it is measured, not assumed. Keyword and vector search run together, then a relevance gate cuts what does not bear on the question. On the disagreement run, 295 papers were recalled and 50 cleared the gate. What survives is what the synthesis reads, and every claim traces back to one of those papers.

Then it argues with itself before you see the result.

The test that settles it takes one run on a topic you know cold.

166 themes with thirty or more papers each
market microstructure 347, causal inference 431, portfolio optimization 257, behavioral finance 289.

Check your niche
Pricing

Free

$0

25 papers, 10 questions a month, 3 full synthesis runs. No card.

Pro

$39 / month. Annual is two months free.

No cap on queries or synthesis. Credit-based: about 50 runs a month on the included $15 at Standard rates. 1,000 papers. MCP access for your agents.

Team

$129 / month

Five seats, 10,000 papers, $60 of credit included.

Model usage beyond included credit is prepaid, itemized, and previewed before every heavy run. Every query shows what it cost, and nothing can bill past the credit you bought. Full details: /pricing

From the builder

Before this, my research process was a folder of SSRN PDFs and a rough reading plan. Ten or twenty pages on a good day, and half of that was background reading just to understand a paper's premise. After weeks of that produced one strategy, and the strategy failed, I accepted that reading hundreds of papers one at a time was never going to find my ideas.

So I built the tool I wanted: I generate research programs off my corpus, expand the ones worth expanding, trace which papers connect, and find the central ones and the niche ones I would have missed.

It runs on a model and on the corpus you give it. I can't promise you a six-figure strategy. It makes the search faster and wider. The judgment is still yours.

Mario

Outsample. Because in-sample results lie.

Start free. No card. 3 full synthesis runs included, and the product will tell you if your question is not answerable from the corpus.