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.

Launch updates only.

13,935 searchable papers in the corpus. 5 research programs in 61 s for $0.09. 21 adversarial findings on the last strategy run.

01 the bottleneck

The real bottleneck in research is synthesis.

Reading fifty papers to find three strategy ideas takes weeks, and most ideas die in the backtest.

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

Ask your corpus and get citation backed answers

Ask your corpus and it will return multi step answers and a summary backed by citations with similarity scores for the papers it used. If it finds a lack of evidence for an answer, it says so.

03 strategy generator

Solid, testable strategies created from the papers it just read

Each strategy generated includes entry & exit rules, position sizing, a confidence read, and the supporting papers that generated the strategy.

04 adversarial review

Every strategy gets a hostile review before you see it

Our Devil's Advocate checks for lookahead, overfitting, regime dependence, cost drag, and statistical validity before you use your time testing it.

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 375 runs a month on the included $15 of model credit. 1,000 papers.

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.

Honestly: 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.

Launch updates only.

See the methodology