ATERRA Metals Inc. (CSSCF): Short Interest History
The most recent FINRA short interest report for CSSCF (settlement date September 30, 2026) shows 27,511 shares sold short , a change of 100.00% from the prior report .
Days to cover: 0.20.
FINRA settlement history
| Settlement date | Short interest | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| Sep 30, 2026 | 27,511 | 100.00% | 135,321 | 1.00 |
| Jul 31, 2026 | 5,432 | -96.03% | 158,315 | 1.00 |
| Jul 15, 2026 | 136,700 | 168.04% | 386,515 | 1.00 |
| Jun 30, 2026 | 51,000 | 24.39% | 49,600 | 1.03 |
| Jun 15, 2026 | 41,000 | 1,105.88% | 339,172 | 1.00 |
| May 29, 2026 | 3,400 | 142.86% | 444 | 7.66 |
| May 15, 2026 | 1,400 | 0.00% | 0 | 999.99 |
| Apr 30, 2026 | 1,400 | 100.00% | 1,091 | 1.28 |
| Jan 15, 2026 | 1,900 | -20.83% | 13,000 | 1.00 |
| Dec 31, 2025 | 2,400 | 380.00% | 0 | 999.99 |
| Dec 15, 2025 | 500 | 0.00% | 102,109 | 1.00 |
| Nov 28, 2025 | 500 | 100.00% | 378,369 | 1.00 |
| Mar 31, 2025 | 155,000 | 100.00% | 54,727 | 2.83 |
Frequently asked questions
What is short interest in CSSCF?
Short interest is the total number of CSSCF shares currently sold short but not yet covered or closed out. FINRA publishes this data twice monthly.
How is CSSCF 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.