Bitcoin, Credit, and the New Capital Stack: Michael Saylor’s Yield Curve—and Its Caveats
Bitcoin, Credit, and the New Capital Stack: Michael Saylor’s Yield Curve—and Its Caveats
Author: Zion Zhao Real Estate | 狮家社小赵
I. Why “bearish sentiment” coexists with strong tape action
Saylor’s opening claim—that near-term malaise belies a strong one-year BTC performance—fits a familiar adoption pattern: a euphoric run, consolidation, and “adrenaline drain,” which can feel like bearishness even if higher-timeframe returns remain positive. That psychology matters because supply rotation from early “OGs” to institutions often requires calmer volatility and better access to credit. His further point—that a large share of BTC is “unbanked” in the sense of limited, mainstream borrowing channels—has started to change with the emergence of ETF access, exchange-listed credit wrappers, and more permissive fair-value accounting (see Section III). Independent market coverage also notes long-only institutions quietly accumulating and treating BTC exposure more systematically than during prior cycles. CoinDesk
Risk lens. International policy bodies still flag volatility, cyclicality, and macro-financial transmission risks from crypto markets, especially for emerging markets. Even amid rallies, the IMF and BIS emphasize that crypto assets’ risk/return properties can be unstable and policy-sensitive. (Prudence is warranted; nothing here is investment advice.) (IMF, 2024–2025; BIS, 2018). IMF+2imfconnect.org+2
II. “Bitcoin credit 101”: turning digital capital into cash flows
Saylor’s core engineering idea is straightforward:
Collateral: BTC treated as “digital capital.”
Credit: Issue perpetual preferreds against that collateral with varying seniority, coupon/yield, duration, and convertibility.
Liquidity: List the instruments with public tickers so they trade continuously and can scale via shelf registrations, similar to how ETFs grow by creations.
This is no longer hypothetical. Major outlets and data screens show the suite live and trading:
STRK (8% Series A “Strike”): preferred with equity convertibility features.
STRF (“Strife”): senior, fixed-rate perpetual preferred targeting long-duration, lower-risk income buyers.
STRD (“Stride”): junior perpetual preferred with higher effective yield to compensate for subordination.
STRC (“Stretch”): a variable-rate, monthly cash-pay “treasury preferred,” engineered to keep price near par and reduce duration/price volatility.
Coverage from Barron’s and others documents the program and relative yields; market pages show STRC trading near par, consistent with the “low duration / low price volatility” design Saylor describes. Yahoo Finance+3Barron's+3Seeking Alpha+3
What funds the dividends? Saylor says Strategy primarily uses ongoing equity issuance to fund preferred dividends while allocating most proceeds to buy additional BTC; secondarily, it can write BTC derivatives or tap credit markets. That funding stack is feasible—but sensitive to equity market access, option premia, and basis spreads. Independent reporting corroborates both the scale of preferred offerings and the firm’s subsequent BTC accumulation. The Block
Over-collateralization claim. The preferreds are marketed as heavily over-collateralized by BTC. Over-collateralization improves creditor protection but also links credit risk to BTC price path. If BTC appreciates, credit quality strengthens; if BTC draws down sharply, cushion shrinks. That “asset-linked” credit dynamic is novel for mainstream credit investors—and it’s why index and rating adoption will likely progress in stages. (See Section IV.) CoinDesk
III. The accounting unlock: fair-value treatment of crypto assets (ASU 2023-08)
A key enabler for Strategy’s index-eligibility and clarity of financials was the FASB’s ASU 2023-08, which requires fair-value accounting for certain crypto assets with changes recognized in net income. Strategy disclosed adoption effective January 1, 2025, with a cumulative retained-earnings adjustment and ongoing P&L volatility reflecting BTC price moves. This change improves transparency versus historical “impairment-only” treatment and aligns reporting with how many investors actually view BTC—as a mark-to-market asset. FASB+2SEC+2
IV. S&P 500 inclusion: rules, timing, comparables
Saylor notes that Strategy only recently met S&P 500 eligibility and that committees tend to wait for a multi-quarter track record. The S&P U.S. Indices Methodology requires, among other items, positive GAAP earnings over the most recent four consecutive quarters (and the most recent quarter positive), liquidity thresholds, and market-cap minimums—with all additions subject to the Index Committee’s discretion. Recent additions show crypto-adjacent firms can be included—Coinbase (COIN) joined the S&P 500 on May 19, 2025, and Robinhood (HOOD) was scheduled to join on September 22, 2025—but committee timing remains case-by-case. Expect a wait-and-see posture toward novel “bitcoin treasury” capital structures. News Release Archive+3S&P Global+3News Release Archive+3
V. Does “bitcoin credit” solve fixed-income’s problems?
Saylor argues that traditional fixed income is yield-starved (especially after real inflation), often illiquid, and under-collateralized—and that BTC-backed, over-collateralized perpetuals can deliver higher income with better security. Historically, economists would describe sustained negative real rates and policy caps on yields as financial repression—conditions that can penalize savers. The academic and policy record supports caution here: repression reduces real returns on safe assets; it can also redirect capital in ways that slow productivity if prolonged. BTC-linked credit offers a market-based alternative source of income—but one whose risk now couples to a high-volatility asset. (Reinhart & Sbrancia; IMF; peer-reviewed work on Bitcoin’s risk-return regimes). IMF+2JHU Economics Department+2
Bottom line: For income-seekers comfortable with BTC-linked collateral risk, Saylor’s curve is a coherent design: senior paper (STRF) for lower-volatility coupons; junior paper (STRD) for higher yield; a par-anchored, variable-rate option (STRC) to mute duration risk; and convertible-tinged preferred (STRK) to fuse income with upside. The engineering is elegant; the portfolio fit depends on one’s BTC risk tolerance and understanding of how market access funds those coupons in practice. Barron's+1
VI. Online polarization and “paid protest”: what the evidence says
The discussion turns somber around the assassination of Charlie Kirk on September 10, 2025, with Saylor warning about “paid protest,” bots, and amplification incentives. The factual core—that Kirk was killed and that suspects and proceedings are ongoing—is established by major outlets; public officials and institutions have publicly condemned political violence. (This essay makes no political claims; it records the event’s relevance to market and media context.) Fox News+4Houston Chronicle+4SFGATE+4
On misinformation dynamics, peer-reviewed research finds that false news spreads “farther, faster, deeper” than truth, driven largely by human sharing behavior—though bots do amplify low-credibility content. Net-net: algorithmic and human factors both matter, so the prudent takeaway is media hygiene rather than any single culprit. (Science 2018; Nature Comms 2018; MIT/OSoMe syntheses.) Science+1
VII. Institutional adoption: what’s really changing?
Three concrete shifts support Saylor’s “BTC as digital capital” vision:
Accounting clarity (ASU 2023-08) → easier for corporates to hold BTC on balance sheet at fair value. FASB
Index inclusion precedents (COIN, HOOD) → S&P committees will consider crypto-exposed businesses if fundamentals and liquidity fit. News Release Archive+1
New public credit wrappers (STRK/STRF/STRD/STRC) → Bitcoin-collateralized income products with different risk/yield trade-offs. Barron's+1
Still, macro-prudential bodies urge careful regulation because crypto cycles can propagate through funding and collateral channels. For allocators, that argues for position sizing, stress testing, and diversified funding assumptions—especially if coupons are supported by ongoing equity issuance. (IMF/BIS guidance.) IMF+1
Closing thought
Saylor’s “bitcoin yield curve” is financial engineering with public-market rails: it converts an uncompromising asset (BTC) into a menu of income instruments while preserving upside for common shareholders. The architecture is elegant; the operational reality is that coupons, coverage ratios, and index/rating adoption will live and die by market access, BTC path-dependence, and policy clarity. For sophisticated allocators, that combination is precisely why this new capital stack is compelling—and why it must be underwritten with eyes open.
As always, this essay and this entire blog are NOT Financial Advice, Please do your Own Due Diligence!
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References (APA)
Bank for International Settlements. (2018). Cryptocurrencies: Looking beyond the hype (BIS Annual Economic Report 2018, ch. V). https://www.bis.org/ Bank for International Settlements
Barron’s. (2025, July 25). MicroStrategy sells $2.5 billion of preferred stock. https://www.barrons.com/ Barron's
CFO Dive. (2025, Apr 8). Strategy reports unrealized $5.91B loss on digital assets; adopts ASU 2023-08.https://www.cfodive.com/ CFO Dive
CoinDesk. (2025, Sep 20). Michael Saylor: Bitcoin is building a base as OG holders sell. https://www.coindesk.com/CoinDesk
Financial Accounting Standards Board. (2023). Accounting for and disclosure of crypto assets (ASU 2023-08).https://www.fasb.org/ FASB
International Monetary Fund. (2025, May 23). Crypto-Assets Monitor (Q2 2025). https://www.imf.org/ imfconnect.org
International Monetary Fund. (2024, Feb 23). The changing landscape of crypto assets: Considerations for regulatory and supervisory authorities. https://www.imf.org/ IMF
Pew Research Center. (2018). Bots may be behind two-thirds of links shared on Twitter. https://www.pewresearch.org/(popular summary). TIME
Reinhart, C. M., & Sbrancia, M. B. (2011). Financial repression redux. Finance & Development, 48(2), 22–26. International Monetary Fund. IMF
S&P Dow Jones Indices. (2025, May 12). Coinbase Global set to join S&P 500 (Press release). https://press.spglobal.com/ News Release Archive
S&P Dow Jones Indices. (2025, Sep 5). AppLovin, Robinhood Markets and Emcor Group set to join S&P 500 (Press release). https://press.spglobal.com/ News Release Archive
S&P Dow Jones Indices. (2025). S&P U.S. Indices Methodology. https://www.spglobal.com/ S&P Global
Vosoughi, S., Roy, D., & Aral, S. (2018). The spread of true and false news online. Science, 359(6380), 1146–1151. https://www.science.org/ Science
Yahoo Finance. (2025). MicroStrategy Variable-Rate Series A Perpetual “Stretch” Preferred Stock (STRC).https://finance.yahoo.com/ Yahoo Finance
Event coverage references (non-editorial):
AP News; SFGate; Houston Chronicle; Fox News; Wikipedia (for timeline aggregation). (September 2025). (Used only to establish factual chronology regarding Charlie Kirk’s death and official reactions; no political commentary inferred.) Wikipedia+4AP News+4SFGATE+4
In-text citations (examples used above)
Accounting change: (FASB, 2023) FASB
S&P rules and precedents: (S&P DJI, 2025a; 2025b; 2025c) S&P Global+2News Release Archive+2
Preferred suite existence and design: (Barron’s, 2025; Yahoo Finance, 2025) Barron's+1
Institutional adoption & risks: (IMF, 2024; IMF, 2025; BIS, 2018) IMF+2imfconnect.org+2
Information dynamics online: (Vosoughi et al., 2018; Shao et al., 2018) Science+1
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