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JMI Copper

922.29+1.41% day-6.9% 1M-7.8% since base35 members · market cap, 15% cap · 2026-10-09

Values are reconstructed from stored closes with today's share counts until the index goes live.

6928229511,0801,209base 1,0002026-03-022026-06-192026-10-09
JMI Copper -7.8% over the periodCopper price, rebasedreconstructed from stored closescarried or held day

Composition

Weight by commodity, exchange and size as of 2026-10-09, and how concentrated the basket is. Effective holdings is the number of equal-sized positions that would be as diversified.

Largest weight
15.1% Aldebaran Resources Inc.
Top 10 hold
75.4%
Effective holdings
13 of 35
Median market cap
C$66.3M · C$4.32B in all

By commodity assignment

  • Copper100.0% · 35

By exchange

  • TSXV85.7% · 27
  • TSX8.8% · 3
  • CSE5.5% · 5

By market cap

  • under C$5M0.1% · 1
  • C$5M to 25M3.8% · 12
  • C$25M to 50M3.2% · 3
  • C$50M to 100M10.3% · 6
  • C$100M to 250M30.6% · 8
  • C$250M to 500M22.5% · 3
  • over C$500M29.5% · 2

Members

35 companies as of 2026-10-09, by weight. Weights drift with prices between reviews; the cap is reset at each reconstitution.

#CompanyListingCommodityWeightPriceDayMarket cap
1Aldebaran Resources Inc.TSXV: ALDECopper15.09%$3.52+1.4%C$652.5M
2Regulus Resources Inc.TSXV: REGCopper14.43%$4.97+2.0%C$624.0M
3Koryx CopperTSXV: KRYCopper9.87%$3.51+1.7%C$426.7M
4Andina Copper CorpTSXV: ANDCCopper6.70%$1.06+2.9%C$289.8M
5Lara Exploration Ltd.TSXV: LRACopper5.95%$4.15+1.5%C$257.3M
6Gunnison CopperTSX: GCUCopper5.44%$0.465+1.1%C$235.1M
7Amarc Resources Ltd.TSXV: AHRCopper5.37%$1.03+3.0%C$232.3M
8Gladiator MetalspageTSXV: GLADCopper5.20%$2.12+0.5%C$224.9M
9Surge Copper Corp.TSXV: SURGCopper4.37%$0.500+3.1%C$189.0M
10Forte Minerals Corp.CSE: CUAUCopper2.97%$1.64-0.6%C$128.2M
11Midnight Sun Mining Corp.TSXV: MMACopper2.48%$0.497+2.6%C$107.3M
12Vizsla Copper Corp.TSXV: VCUCopper2.38%$1.15+5.5%C$102.9M
13Intrepid Metals CorpTSXV: INTRCopper2.37%$0.8300.0%C$102.5M
14Salazar Resources Ltd.TSXV: SRLCopper2.15%$0.350-1.4%C$92.8M
15C3 Metals IncTSXV: CCCMCopper1.86%$0.6400.0%C$80.2M
16Fortune Minerals LimitedTSX: FTCopper1.82%$0.120-2.0%C$78.8M
17Pan Global ResourcesTSXV: PGZCopper1.66%$0.1750.0%C$71.6M
18Coppernico Metals Inc.TSX: COPRCopper1.53%$0.410+1.2%C$66.3M
19DLP Resources Inc.TSXV: DLPCopper1.25%$0.3500.0%C$53.9M
20Yukon Metals Corp.CSE: YMCCopper1.10%$0.3400.0%C$47.4M
21Sterling MetalsTSXV: SAGCopper1.08%$1.01-1.0%C$46.7M
22Star CopperCSE: STCUCopper1.02%$0.720+2.9%C$44.3M
23Camino Corp.TSXV: CORCopper0.58%$0.280+1.8%C$25.0M
24Aurania ResourcesTSXV: ARUCopper0.57%$0.185-2.6%C$24.5M
25T2 Metals Corp.TSXV: TWOCopper0.52%$0.375-4.5%C$22.6M
26Aston Bay Holdings Inc.TSXV: BAYCopper0.47%$0.080-11.1%C$20.2M
27Domestic MetalsTSXV: DMCUCopper0.29%$0.1750.0%C$12.6M
28Red Canyon ResourcesCSE: REDCCopper0.26%$0.150+3.5%C$11.4M
29Wolfden Resources CorporationTSXV: WLFCopper0.26%$0.060+9.1%C$11.4M
30Metals Creek ResourcesTSXV: MEKCopper0.22%$0.0400.0%C$9.5M
31Carolina RushTSXV: RUSHCopper0.19%$0.090-5.3%C$8.2M
32NorthernShield Resources INC.TSXV: NRNCopper0.16%$0.0450.0%C$6.9M
33Prospect Ridge Resources Corp.CSE: PRRCopper0.16%$0.060+9.1%C$6.8M
34Quantum Critical MetalsTSXV: LEAPCopper0.14%$0.050-9.1%C$6.0M
35Nobel Resources Corp.TSXV: NBLCCopper0.10%$0.0200.0%C$4.2M

Changes

Every reconstitution, removal and restatement, newest first.

  • 2026-09-18Reconstitution: 35 members, 0 added, 0 removed.
  • 2026-06-19Reconstitution: 35 members, 2 added, 0 removed. + Wolfden Resources Corporation; + Metals Creek Resources.
  • 2026-03-20Reconstitution: 33 members, 4 added, 0 removed. + Aldebaran Resources Inc.; + Regulus Resources Inc.; + Salazar Resources Ltd.; + Quantum Critical Metals.
  • 2026-03-02Base: 29 members at 1,000.

Rules, thresholds and the divisor method: how the JMI indexes are built.