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Fortuna Mining Corp. (FSM): Short Interest History

The most recent FINRA short interest report for FSM (settlement date August 14, 2026) shows 16,994,457 shares sold short , a change of 5.44% from the prior report .

Days to cover: 2.99.

FINRA settlement history

Settlement date Short interest Change Avg daily volume Days to cover
Aug 14, 2026 16,994,457 5.44% 5,682,929 2.99
Jul 31, 2026 16,117,010 -5.11% 5,594,922 2.88
Jul 15, 2026 16,984,938 -2.23% 4,545,840 3.74
Jun 30, 2026 17,372,320 3.98% 4,758,284 3.65
Jun 15, 2026 16,707,623 -1.95% 5,624,190 2.97
May 29, 2026 17,039,746 -4.92% 4,534,491 3.76
May 15, 2026 17,920,667 -0.98% 6,460,218 2.77
Apr 30, 2026 18,098,803 5.47% 4,839,455 3.74
Apr 15, 2026 17,160,639 5.11% 6,893,500 2.49
Mar 31, 2026 16,326,499 -11.65% 8,940,179 1.83
Mar 13, 2026 18,478,547 4.44% 6,282,519 2.94
Feb 27, 2026 17,693,538 -8.15% 8,940,285 1.98
Feb 13, 2026 19,263,618 1.41% 8,150,284 2.36
Jan 30, 2026 18,996,389 6.13% 9,792,574 1.94
Jan 15, 2026 17,898,844 1.87% 7,624,175 2.35
Dec 31, 2025 17,569,593 6.24% 6,953,646 2.53
Dec 15, 2025 16,538,316 15.46% 7,120,194 2.32
Nov 28, 2025 14,323,407 -34.31% 7,519,412 1.90
Nov 14, 2025 22,029,949 -4.47% 12,187,375 1.81
Oct 31, 2025 23,060,151 0.38% 13,164,788 1.75
Oct 15, 2025 22,973,352 -9.32% 21,248,134 1.08
Sep 30, 2025 25,335,382 22.37% 25,846,246 1.00
Sep 15, 2025 20,704,071 10.72% 20,012,125 1.03
Aug 29, 2025 18,698,774 -0.41% 12,812,149 1.46

Frequently asked questions

What is short interest in FSM?

Short interest is the total number of FSM shares currently sold short but not yet covered or closed out. FINRA publishes this data twice monthly.

How is FSM short interest calculated?

Short interest is aggregated from member firm reports to FINRA. Every U.S. broker-dealer must report aggregate short positions in each security as of the 15th and last trading day of each month.

What does a high short interest mean?

Higher short interest can indicate bearish sentiment, but it also raises the potential for a short squeeze if positive news forces short sellers to cover their positions simultaneously. Compare short interest to float (short percent of float) for context.

Source: FINRA short interest reports, published bi-monthly.

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