Electricity.Trade comparison of regional exchanges underscores persistent disparities in liquidity depth and trading behavior. HUPX and OPCOM demonstrate relatively deep order books and smoother price curves, while SEEPEX, BELEN, ALPEX, and MEMO remain characterized by thinner participation and sharper intraday discontinuities.
On 24 February, Hungary’s hourly price range spanned approximately 46 EUR/MWh to 177.5 EUR/MWh, yet price transitions occurred gradually. In contrast, Serbia’s SEEPEX showed abrupt hourly shifts despite lower absolute price levels, reflecting limited intraday adjustment capacity.
Electricity.Trade notes that liquidity gaps create dual pricing realities. Core markets experience price discovery rooted in marginal cost economics, while peripheral markets embed execution risk premiums. During stress events, thin markets often overshoot or lag, amplifying volatility.
The anticipated expansion of market coupling mechanisms will partially mitigate these disparities. However, Electricity.Trade cautions that liquidity depth depends not only on regulatory alignment but also on participant confidence, clearing infrastructure, and transparent balancing regimes.
Until structural liquidity improves, peripheral SEE exchanges will continue to exhibit higher volatility per unit of traded volume.
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