Sunshine Silver Mining & Refining Company announced on November 2, 2026, that its common stock was added to the Solactive Global Silver Miners Index, effective at market open that same day.

Key Highlights

  • Index inclusion effective: Sunshine Silver's common stock was added to the Solactive Global Silver Miners Index at market open on November 2, 2026.
  • NYSE debut context: The addition follows the company's listing on the New York Stock Exchange on June 4, 2026, according to the filing.
  • Index composition: The Solactive Global Silver Miners Index generally includes 20 to 40 companies, selected based on average daily trading volume and weighted by free-float market capitalization.
  • Projected silver revenue share: The company stated that more than 90% of expected revenue at planned production is projected to come from silver, based on its "Base Case" Initial Assessment.
  • Targeted production return: The company disclosed a targeted return to production at the Sunshine Mine in late 2028, subject to risks and cautionary language outlined in the filing.
  • Silver price assumption: The projected revenue figures referenced in the filing use a silver price of $67.06 per ounce, sourced from Capital IQ Pro.

Sunshine Silver's Entry Into a Global Silver Benchmark

According to the press release filed by Sunshine Silver Mining & Refining Company (NYSE:SSMR), headquartered in Kellogg, Idaho, the company's common stock was added to the Solactive Global Silver Miners Index on November 2, 2026. The company described the index as representing "companies involved in silver mining and related activities, including silver exploration and refining." The filing noted that inclusion is expected to broaden the company's visibility among institutional investors and funds that use the index as a benchmark.

The filing quoted CEO Heather White as stating that the inclusion "reflects the strong foundation we've built as a silver developer advancing toward production." The company disclosed that its core asset is the Sunshine Mine in Idaho's Silver Valley, which it described as "North America's highest-grade primary silver resource." Sunshine also noted it is the largest holder of mineral rights in the Silver Valley and is evaluating additional opportunities through silver and copper refining as well as antimony production.

The projected revenue figure of more than 90% from silver is based on the company's "Base Case" as defined in its S-K 1300 Technical Report Summary on the Initial Assessment dated March 25, 2026. The filing specified assumed commodity prices including silver at $67.06 per ounce, copper at $6.79 per pound, and lead at $0.86 per pound, sourced from Capital IQ Pro. The company noted that all forward-looking statements, including the targeted 2028 production return, are subject to risks and uncertainties detailed in its Form S-1 registration statement and other regulatory filings, and cautioned against placing undue reliance on those statements.

What Was Disclosed

Sunshine Silver Mining & Refining Company announced its addition to the Solactive Global Silver Miners Index effective November 2, 2026, and provided details on the index's methodology, its Sunshine Mine asset, and the commodity price assumptions underlying its projected silver revenue share.