Korea Electric Power Corporation (KEP) heads into its May 13 Q1 2026 preliminary results with short sellers meaningfully increasing exposure — even as the stock posts one of its strongest monthly runs in years.
The most striking feature of the setup is the divergence between price action and short positioning. KEP is up 14% over the past month to $15.46, adding a further 2.2% on Friday alone. Yet borrowed shares have climbed roughly 23% over the same period, reaching just over one million shares as of May 7. Days to cover is 2.3. The short score of 35, while not extreme, has crept up steadily across the past two weeks — a measured but persistent build that suggests growing conviction on the bearish side rather than a reflexive hedge.
The lending market is not under stress. Cost to borrow has eased to 0.49%, down about 12% on the week and 14% on the month — near the cheapest it has been in that window. Availability remains loose. Options traders have moved in the opposite direction to shorts: the put/call ratio is 0.35, well below its 20-day mean of 0.38 and near the floor of a range that has swung as high as 1.20 over the past year. In early April, when the stock was still under pressure, that ratio sat above 0.80. Its rapid compression suggests call buyers — not put buyers — are driving options flow into the print.
The fundamental context complicates the bullish price story. A report from late April flagged that rising oil costs threaten KEPCO's profitability precisely when rate increases remain politically constrained in South Korea — a structural squeeze on margins that the Q1 numbers may illustrate. The company also confirmed it will release preliminary Q1 results on May 13, not a full earnings call, which limits the detail investors will initially receive. On the ownership side, the state remains dominant: Korea Development Bank controls 32.9% of shares and the South Korean government a further 18.2%, limiting float-driven price dynamics. BlackRock did add 1.8 million shares as of April 30, the most active move among the international institutional holders.
The earnings history sets a blunt baseline. The last results triggered a 14.8% single-day decline followed by a 27.6% five-day loss — a pattern the prior event also matched closely. Whether the 14% run-up into this release reflects genuine optimism about Q1 or simply a relief rally from April's macro turbulence is what the May 13 print will test.
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