Daily count of MII market notices confirms sudden increase

Posted by Linton CorbetFriday 10th April 2026  10:25 AM   Topic: Long-term market trends and forecasts

A number of readers have asked about the recent increase in market notices for Manifestly Incorrect Inputs (MII).

To understand the volume, we chart daily counts of notices matching “Manifestly incorrect input” or “MII” since 2020.

The main notice types are for “prices subject to review” and these are typically accompanied by a “prices unchanged” notice (in rare cases “price adjustment”). The sudden increase started in March 2026.

 

 

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About the Author

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Linton Corbet
Linton is a Senior Software Engineer and Market Analyst, who joined Global-Roam in August 2020. Before joining the company, Linton worked at the Australian Energy Market Operator (AEMO) for seven years, including four years as an analyst within their demand forecasting team. Before entering the energy sector, he worked as an air quality scientist in the Czech Republic.

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