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# Stock and Flow: Warning Intelligence and the Adversary's Rate of Adaptation
- URL: https://www.edopresents.com/stock-and-flow-warning-intelligence-and-the-adversarys-rate-of-adaptation/
- Published: 2026-10-19T14:40:39.000Z
- Updated: 2026-10-19T14:40:39.000Z
- Description: Warning intelligence is organised around stock: what an adversary possesses. It has no settled place for flow: how fast the adversary converts failure into fielded change.
- Author: Edo
- Tags: Research, Technology

> **Citation:**

> Giglio, Edoardo, Stock and Flow: Warning Intelligence and the Adversary's Rate of Adaptation (October 16, 2026). Available at SSRN: [https://ssrn.com/abstract=7623344](https://ssrn.com/abstract=7623344?ref=edopresents.com) or [http://dx.doi.org/10.2139/ssrn.7623344](https://dx.doi.org/10.2139/ssrn.7623344?ref=edopresents.com)

### Abstract

Warning intelligence is organised around stock: what an adversary possesses. It has no settled place for flow: how fast the adversary converts failure into fielded change. This essay argues that the omission is a category error with operational consequences, illustrated by the degradation of GPS-guided munitions in Ukraine within a year of their arrival. Drawing on the military-innovation literature, which has already decomposed adaptation into its parts, and on warning theory, it proposes an Adaptation Warning Matrix of six functions and one external term, each with open-source indicators and a warning question, scored ordinally and by interval in months. The matrix is applied to Russian electronic warfare in 2022-23, Ukrainian force development in 2022-25, the US Army in Vietnam and Iraq, and Russian improvised armour protection in 2023-25\. Two findings follow. The matrix distinguishes institutionalised learning from widespread improvisation by naming the indicator that settles the question; and the same organisation scores differently by function and domain, so the unit of assessment is the learning system for a task, not the state. The essay explains why net assessment does not already do this, sets out five questions for any estimate and a forward test, and states the limits of the method. 

**Keywords:** Warning Intelligence, Indicators, Military Adaptation, Military Innovation, Net Assessment, Electronic Warfare, Ukraine

> **Citation:**

> Giglio, Edoardo, Stock and Flow: Warning Intelligence and the Adversary's Rate of Adaptation (October 16, 2026). Available at SSRN: [https://ssrn.com/abstract=7623344](https://ssrn.com/abstract=7623344?ref=edopresents.com) or [http://dx.doi.org/10.2139/ssrn.7623344](https://dx.doi.org/10.2139/ssrn.7623344?ref=edopresents.com)