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Analysis

This paper addresses the challenge of short-horizon forecasting in financial markets, focusing on the construction of interpretable and causal signals. It moves beyond direct price prediction and instead concentrates on building a composite observable from micro-features, emphasizing online computability and causal constraints. The methodology involves causal centering, linear aggregation, Kalman filtering, and an adaptive forward-like operator. The study's significance lies in its focus on interpretability and causal design within the context of non-stationary markets, a crucial aspect for real-world financial applications. The paper's limitations are also highlighted, acknowledging the challenges of regime shifts.
Reference

The resulting observable is mapped into a transparent decision functional and evaluated through realized cumulative returns and turnover.

Analysis

This paper addresses a critical challenge in maritime autonomy: handling out-of-distribution situations that require semantic understanding. It proposes a novel approach using vision-language models (VLMs) to detect hazards and trigger safe fallback maneuvers, aligning with the requirements of the IMO MASS Code. The focus on a fast-slow anomaly pipeline and human-overridable fallback maneuvers is particularly important for ensuring safety during the alert-to-takeover gap. The paper's evaluation, including latency measurements, alignment with human consensus, and real-world field runs, provides strong evidence for the practicality and effectiveness of the proposed approach.
Reference

The paper introduces "Semantic Lookout", a camera-only, candidate-constrained vision-language model (VLM) fallback maneuver selector that selects one cautious action (or station-keeping) from water-valid, world-anchored trajectories under continuous human authority.

Volatility Impact on Transaction Ordering

Published:Dec 29, 2025 11:24
1 min read
ArXiv

Analysis

This paper investigates the impact of volatility on the valuation of priority access in a specific auction mechanism (Arbitrum's ELA). It hypothesizes and provides evidence that risk-averse bidders discount the value of priority due to the difficulty of forecasting short-term volatility. This is relevant to understanding the dynamics of transaction ordering and the impact of risk in blockchain environments.
Reference

The paper finds that the value of priority access is discounted relative to risk-neutral valuation due to the difficulty of forecasting short-horizon volatility and bidders' risk aversion.