Mizuho Financial Group, Inc.
NYSEShort interest in MFG jumped 69% over the past week, bringing total short shares to 3.9 million as of the latest settlement date. The surge continues a volatile pattern for Mizuho Financial Group, one of Japan's largest banking institutions. The spike marks a sharp reversal after recent fluctuations. Short positions more than doubled over the past month, climbing 121% from 1.8 million shares in late January. Days to cover remains low at just 1.0, suggesting shorts can exit quickly if needed. Cost to borrow has eased recently, dropping to 1.36% from earlier peaks above 12% in late March. The dramatic CTB spike appears to have been short-lived, with borrowing costs now back near multi-month averages. Utilization currently stands at 41.6%, well below the 52-week high of 100%. Options traders are showing bullish sentiment. The put/call ratio fell to 0.40, sitting nearly 3.6 standard deviations below the 20-day mean of 1.18. This suggests traders are heavily favoring calls over puts. The stock has struggled in recent sessions, dropping 4.3% on Monday and down 5.3% over the past week. Shares trade at $8.23, though the one-month performance remains positive at 8.4%. MFG is set to report earnings on May 19. The combination of rising short interest and bullish options positioning creates an interesting setup heading into the next quarterly report. This is not financial advice. Short interest data may be delayed or incomplete.
Short Sellers Double Down on Japanese Banking Giant
Short interest in MFG jumped 69% over the past week, bringing total short shares to 3.9 million as of the latest settlement date. The surge continues a volatile pattern for Mizuho Financial Group, one of Japan's largest banking institutions. The spike marks a sharp reversal after recent fluctuations. Short positions more than doubled over the past month, climbing 121% from 1.8 million shares in late January. Days to cover remains low at just 1.0, suggesting shorts can exit quickly if needed. Cost to borrow has eased recently, dropping to 1.36% from earlier peaks above 12% in late March. The dramatic CTB spike appears to have been short-lived, with borrowing costs now back near multi-month averages. Utilization currently stands at 41.6%, well below the 52-week high of 100%. Options traders are showing bullish sentiment. The put/call ratio fell to 0.40, sitting nearly 3.6 standard deviations below the 20-day mean of 1.18. This suggests traders are heavily favoring calls over puts. The stock has struggled in recent sessions, dropping 4.3% on Monday and down 5.3% over the past week. Shares trade at $8.23, though the one-month performance remains positive at 8.4%. MFG is set to report earnings on May 19. The combination of rising short interest and bullish options positioning creates an interesting setup heading into the next quarterly report. This is not financial advice. Short interest data may be delayed or incomplete.
Snapshot as of 8 May 2026
No long-form analysis yet for MFG. Pulse alerts and the live data picture are available on ORTEX.
Open MFG on ORTEX →Short interest updated daily, real-time options flow, analyst consensus deltas, 13F positioning, ORTEX Alpha signals, and every article ORTEX publishes for MFG — free to start on ORTEX.
Sign up for free →Open MFG on ORTEX