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Mamiya-OP Co., Ltd. (7991) short interest & options flow

TSE

Mamiya-OP heads into its May 13 earnings with one of the most expensive borrow markets it has seen in months — and a stock already down 13% in April. The lending market tells the most charged story this week. Cost to borrow has roughly doubled over the past month, climbing from around 2.8% in late February to 6.6% now. The move is not smooth: CTB briefly touched 10.3% on March 26…

1018.00+0.49% 1d+2.62% 1w-2.77% 1mClose: 11 Nov 2026
Cost to borrow
Dropping
Live CTB on ORTEX →
Availability
High
Live availability on ORTEX →
Market cap
$66M
Next earnings
3 Feb 2027
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Key data as of 12 Nov 2026

ORTEX chart of Mamiya-OP Co., Ltd. (7991) share price and short interest (% of free float), six months to November 11, 2026

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