OE-M08: Market Cleanliness (MC) Statistics
2024/25 values
Table: MC, ATV and PATR latest figures
| Type | 2022/23 | 2023/24 | 2024/25 | Status |
|---|---|---|---|---|
| Market cleanliness (MC) statistics: | 25% | Data was not published as we were reviewing our methodology | 38% | Increased
(Methodological changes mean that the statistic is not comparable to, and systematically higher than, figures published using the previous methodology.) |
| Abnormal Trading Volume Ratio (ATV) | 8% | 6% | 6% | Maintained |
| Potentially Anomalous Trading Ratio (PATR) | 5% | 3% | 4% | Marginal increase in ratio
(Improved as against the baseline of 6/7% based on historic averages) |
Source: FCA transaction data and prices from data vendors
The MC statistics are volatile and can be significantly affected by other factors such as sample size, high volatility or other market dynamics. Our latest published statistics: Market cleanliness statistics 2024/25 gives more information.