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Call sheet · Q3'25

CleanSpark (CLSK)

Q3'25 earnings call · held August 8, 2025 · compared with the Q2'25 call · management-credibility review
3/12
Disclosure score
3 high, 4 medium, 1 low flags
Financial quality
Bottom line
The sleeper story everyone's missing: CleanSpark morphed from a Bitcoin miner into a levered hedge fund writing options on 40% of their stack while power costs spiral and they contemplate selling sites to AI players. Yes, they hit 50 exahash and revenue looks great, but the binding constraint is their $31.6M quarterly cash overhead forcing them to sell Bitcoin just as they discover yield generation. Management's quote about being 'flexible and open to evaluating monetization options' is the tell; after years of pure-play preaching, they're ready to bail. My view changes if Bitcoin stays above $120K through Q4, making their treasury strategy actually profitable rather than a desperate cash grab.

The 30-second version

  • The real story: CLSK quietly became a hedge fund, generating 10% returns on 40% of their Bitcoin while everyone obsesses over hash rate
  • Hit 50 exahash milestone but power costs jumped to $0.056/kWh, revealing the dirty secret of 'America's Bitcoin miner'
  • Management opened the door to selling power assets after years of 'pure-play' rhetoric, signaling the AI/HPC FOMO is real

What changed this quarter

MetricQ2'25Q3'25Change
Revenue$181.7M (YoY +62.5%)$199M (YoY +91%)+9.5% QoQ acceleration
EPS-$0.58$0.90Turned profitable on Bitcoin appreciation
Net Income-$138.8M$257MSwung $396M on mark-to-market
Operating IncomeNot disclosedNot disclosedStill hiding operating metrics
Gross Margin53%54.6%+160 bps despite power headwinds
Bitcoin Produced1,9572,012+2.8% QoQ outpacing difficulty
Marginal Cost/Bitcoin$42,600$44,806+5.2% cost inflation accelerating
Power Cost/kWh$0.06$0.056-7% but still elevated
Bitcoin Treasury11,86912,608+739 coins despite selling for ops
Hash Rate~47 exahash50 exahashHit milestone 6 days early

Accountability tracked

7 new promises made5 narrative shifts flagged6 prior promises scored
Inside the full report
The complete write-up covers the full promise ledger with kept/missed calls, disclosure-quality scoring, the metrics-vanished check, verification items, and the questions to ask next quarter.
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Scores, kept-promise rates, and flags on this site reflect the author's opinion, applying a stated methodology to statements management made on public earnings calls. Informational and educational purposes only - not investment advice, a recommendation, or an offer to buy or sell any security. Sources believed reliable but not guaranteed; the author may hold positions in the securities discussed.

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