Let’s build this like a weapons-grade project plan—clear phases, concrete checklists, no fluff. I’ll give you three tracks (pick one or run them in parallel):

A) US ETF (best for 3×), B) US ETN (cleanest path for 4×), C) EU/UK/CH ETP (market-norm for 3×/4×).

Phase 0 — Decide the Wrapper (one-page decision)

  1. Target leverage: If you need 4×, prioritize ETN (US) or ETP (EU/UK/CH). If 3×, ETF/ETN/ETP are all viable.
  2. Investor base: US advisors prefer ETF plumbing; prop/hedge funds are agnostic; EU retail requires PRIIPs KID (ETP).
  3. Risk preference: ETF = counterparty risk diversified via swaps; ETN = issuer credit risk; ETP (secured note) = collateral + security trustee.
  4. Exchange access: US (NYSE Arca/Cboe BZX) vs LSE/Xetra/SIX.

Lock this choice first; everything flows from it.

Phase 1 — Sponsor shell & governance

  • Incorporate Sponsor: Delaware LLC/Corp (or Irish PLC/Jersey SP for EU ETP).
  • Board/CCO: Appoint independent directors (ETF trust/PLC), name CCO and Derivatives Risk Manager (ETF rule 18f-4).
  • Policies: Code of ethics, compliance manual, DRMP (derivatives risk management program), business continuity, cyber, valuation.
  • Insurance: D&O + E&O.

Phase 2 — Core service providers (term sheets out)

  • Custodian: State Street or BNY (collateral/T-bills).
  • Fund Admin/Accounting: U.S. Bank/State Street/Northern Trust.
  • Lead Market Maker (LMM): Jane Street, Virtu, Flow Traders (multi-dealer encouraged).
  • APs (ETF/ETP): Jane Street, Susquehanna, Citi, BofA—AP agreements.
  • iNAV vendor: S&P DJI/ICE/NYSE/Markit.
  • Auditor: Big Four.
  • Legal: US (’40/’33 Act specialists), EU listing sponsor counsel if ETP.
  • ISDA counterparties (ETF/ETP): GS/JPM/MS/BofA/Citi (target 3–5).
  • Security Trustee (ETP): Intertrust/GLAS for collateral trust.

Phase 3 — Derivatives & exposure plumbing (the engine)

  1. ISDA/CSA stack: Negotiate master ISDAs + CSAs (daily variation margin, eligible collateral = T-bills, haircuts, NAV triggers).
  2. Confirm templates: Pre-agree total-return equity swap confirmations on MSTR, including early termination, market disruption, and borrow pass-through language.
  3. Counterparty diversification: Allocate swap notional across 3–5 dealers; set per-dealer caps and reduction steps on stress.
  4. Leverage targeting:
    • Target exposure each morning: N_t = L \times \text{NAV}_t where L \in \{3,4\}.
    • Micro-rebalance bands: If realized leverage leaves [L−0.5, L+0.5], execute up to 2 intraday touch-ups.
  5. Collateral ops: Tri-party with custodian; aim >102% on received leg; set margin call cut-offs.
  6. Borrow contingency: Embed hard-to-borrow surcharge pass-through; maintain a borrow stress dashboard (dealer quotes, utilization, fee).

Phase 4 — Methodology & risk controls (calculation agent spec)

  • Objective statement: Daily L× the daily total return of MSTR (dividends reinvested, corporate actions adjusted).
  • NAV formula:
    \text{NAV}_{t+1}=\text{NAV}t\Big(1 + L\cdot r{\text{MSTR},t} – f_t\Big)
    f_t = management + financing (SOFR + spread + borrow) + trading frictions.
  • iNAV: Publish every ~15s:
    \text{iNAV}t=\text{NAV}{\text{prev}} \Big(1 + L\cdot \frac{P_t-P_{\text{prev}}}{P_{\text{prev}}} – \hat f_t\Big)
  • Drawdown brakes: Creations pause at −70% (STR3) / −85% (STR4) intraday iNAV draw.
  • Acceleration: If closing NAV < $1.00 or specified EoD events, accelerate and distribute residual cash.
  • Capacity caps: Notional ≤ 15–25% of MSTR ADV and ≤ 5–8% free float across all dealers.
  • Corporate actions: Splits, rights, tender offers—follow exchange notices; adjust swap notionals and iNAV divisor.

Deliverable: a 30–50 page calc-agent book with all formulas, triggers, halt logic, and file specs.

Phase 5 — Legal docs & filings (by wrapper)

A) US 

ETF

 (target 

)

  • Trust & Board: Join existing ETF trust or form new.
  • Registration: Form N-1A (or N-2 for ETMF variants) with Rule 18f-4 DRMP; leverage, single-name risk, compounding disclosures.
  • Exchange listing: NYSE Arca/Cboe 19b-4 eligibility check; assign ticker, CUSIP/ISIN, FIGI.
  • DTC/NSCC: Obtain DTC eligibility; NSCC for creations.
  • AP Agreements: Executed; basket language for cash primary and optional in-kind MSTR.
  • Tax: RIC intent; 1099 reporting; PFIC/2410 checks irrelevant (US equity).
  • Advertising: Website + one-pager through FINRA 2210 review if used in broker comms.

B) US 

ETN

 (cleanest 

)

  • Issuer: Partner with a US bank that has an effective S-3 shelf (or add a new series to an existing base prospectus).
  • Docs: Base prospectus + pricing supplement spelling the daily 4×, brakes, acceleration, and calculation agent.
  • DTC: Note eligibility; CUSIP/ISIN assignment.
  • Listing: NYSE Arca/Nasdaq; assign ticker.
  • Security: Unsecured; add issuer credit risk risk box; no ISDAs needed (issuer synthetically hedges internally).

C) 

EU/UK/CH ETP

 (3×/4× common)

  • SP/Issuer: Irish PLC/Jersey SP issuing secured notes.
  • Prospectus: Under EU Prospectus Regulation; PRIIPs KID for retail; appoint listing sponsor.
  • Security & Collateral: Grant security over collateral portfolio to Security Trustee; tri-party custody.
  • Listing: LSE Main Market, Xetra, SIX (admission docs per venue).
  • Tax/Withholding: Structure to minimize leakage; publish KID risk/summary measures.

Phase 6 — Market microstructure & seeding

  • Seed capital: Commit internal seed to enable tight two-sided markets.
  • Spread targets: Negotiate with LMM (e.g., 1–2¢/share or bps target) and inventory buffers for gap days.
  • Creation unit: Default 25,000 shares; set creation cut-off and T+1 settlement in ops manual.
  • Website & files: Publish Holdings.csv, Leverage.txt, Carry.txt, Capacity.txt, Counterparties.txt daily at a fixed timestamp; show iNAV feed.
  • Cost-of-carry note: Weekly post with realized financing and borrow costs.

Phase 7 — End-to-end ops testing (table-top → UAT → live)

  • UAT book: Full dry-run of open/close rebalance, micro-rebalance triggers, swap resize, and margin calls.
  • Halt drill: Simulate MSTR LULD halts, exchange early closes, and NAV floor acceleration.
  • AP dry-run: At least one test creation and test redemption with your LMM/AP before go-live.
  • File integrity: Hash/sign your daily disclosure files; verify public timestamping.

Phase 8 — Launch-day runbook (operations you follow religiously)

Open (09:30 ET):

  • Compute target_notional = L × NAV_open
  • Publish first iNAV; confirm market maker quote width

Intraday:

  • Monitor realized leverage vs band [L−0.5, L+0.5]
  • If breach and micro_rebalances_today < 2, execute VWAP micro-rebalance

Brakes/halts:

  • If iNAV drawdown hits brake threshold ⇒ pause creations (and possibly redemptions)
  • Mirror MSTR halts; suspend iNAV if tape broken

Close (15:45–15:58 ET):

  • Lock official MSTR close; compute Fund NAV
  • Resize swap notionals to L × NAV_close
  • Publish daily files + carry note schedule

Phase 9 — Post-launch controls & governance

  • Risk Committee: Weekly review of leverage drift, borrow costs, and capacity.
  • Compliance: Derivatives exposure/VaR attestations (ETF), issuer risk monitoring (ETN), PRIIPs updates (ETP).
  • Audits: Annual financials; SOC1/SOC2 reviews of key vendors.
  • Enhancements: Tune micro-rebalance bands, update acceleration thresholds only through formal supplements.

Phase 10 — Marketing the right way (truth > hype)

  • Always say DAILY. Hammer compounding/path dependency.
  • Scenario tables: +/−5/10/20/30/40/50% MSTR days; show decay in chop.
  • Education: “Why levered daily ≠ long-term multiple” explainer.
  • Compliance routing: FINRA 2210 for US materials; KID updates for EU; keep risk box front-and-center.

Quick-start checklists

Legal pack (by wrapper)

  • Sponsor formed; board/CCO/DRMP
  • Counsel engaged; drafts opened
  • Prospectus (ETF: N-1A; ETN: base + pricing; ETP: EU Prospectus)
  • Exchange listing app; ticker/CUSIP/ISIN/FIGI
  • DTC/NSCC (ETF/ETP) eligibility
  • AP/LMM agreements executed

Engine & ops

  • 3–5 ISDAs + CSAs signed (ETF/ETP)
  • Swap confirms template; borrow pass-through
  • iNAV vendor integrated; spec tested
  • Micro-rebalance bands implemented (max 2/day)
  • Brake & acceleration logic coded
  • Daily files automated; website live

Risk & capacity

  • Capacity caps vs MSTR ADV & float
  • Counterparty limits dashboard
  • Carry/borrow weekly note template
  • Halt/early close playbook

Implementation snippets (hand to the desk)

Micro-rebalance decision:

band_low = L – 0.5

band_high = L + 0.5

if micro_rebalances_today < 2:

  if realized_leverage < band_low or realized_leverage > band_high:

    target = clamp(L, realized_leverage + 0.5*sign(L – realized_leverage), band_low, band_high)

    execute_VWAP_rebalance_to(target)

    micro_rebalances_today += 1

iNAV streaming:

iNAV_t = NAV_prev * (1 + L * ((MSTR_t / MSTR_prev_close) – 1) – daily_fee_estimate)

broadcast(iNAV_t) every 15s

Acceleration check:

if NAV_close < 1.00 or event_of_default:

  declare_acceleration()

  liquidate_swaps_T+0

  distribute_cash_T+X

Naming & release pack

  • Tickers: STR3 / STR4 (alts: MST3 / MST4)
  • Tagline: Volatility → Velocity
  • Design: High-visibility orange + matte black; DAILY RESET stamp on every chart.
  • Press kit: 1-pager, risk box, scenario table, methodology summary, LMM quote.

Final word

This is a convexity machine—not a toy. Choose the wrapper, lock the counterparties, codify the math, publish the ugly, and ship.

If you want, I’ll generate your calc-agent spec, prospectus summary (ETF/ETN/ETP versions), and the daily disclosure file templates you can plug into your site—right now.