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Banco Santander, S.A. (SAN) short interest & options flow

BME

Banco Santander enters May with a quiet but notable story unfolding in its lending market: the cost to borrow the stock has more than doubled in the past month, even as short interest itself remains negligible. That disconnect — tighter borrow conditions without a meaningful short position — is the week's most interesting tension. The borrow cost story is the one thing that moves…

€10.73+4.87% 1d+0.86% 1w-9.13% 1mClose: 4 Nov 2026
Cost to borrow
Low and dropping
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Availability
High
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Market cap
$172.15B
Next earnings
3 Feb 2027
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Key data as of 5 Nov 2026

ORTEX chart of Banco Santander, S.A. (SAN) share price and short interest (% of free float), six months to November 4, 2026

SAN news and analysis

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