COS is a fully automated system that trades the Nasdaq-100. It takes one market, follows a fixed set of rules, and makes no discretionary decisions. It runs inside your own brokerage account without supervision.
Across 27.4 years of testing it compounded at 22.78% a year, against 10.85% for the Nasdaq-100 itself. Its worst peak-to-trough loss was −35.3%; the index's was −83.0%. More return, and materially less of the pain that makes an index this volatile hard to actually hold.
It is designed for a Roth IRA. COS trades often, so in a taxable account most of its profit would be short-term gains taxed at your ordinary income rate — the single largest drag on a strategy like this. Inside a Roth, growth and qualified withdrawals are untaxed, so the compounding above is what you keep.
- Market
- Nasdaq-100
- Style
- Systematic and fully automated. No discretionary override.
- Built for
- Roth IRA and other tax-advantaged retirement accounts
- Custody
- Your own brokerage account. We never hold client funds.
- Supervision
- None required. The system runs unattended and logs every action.
- Annualised return
- 22.78% vs Nasdaq-100 10.85%
- Maximum drawdown
- −35.3% vs Nasdaq-100 −83.0%
- Sharpe ratio
- 0.94 vs Nasdaq-100 0.44
- Test window
- 1999-03-11 → 2026-08-10 · 6,896 sessions, net of costs
- Status
- Live · onboarding a limited number of accounts
Annual licence
$3,000/ year
Renews yearly. Covers the software, updates and support for as long as you keep the licence current.
annual.link in assets/js/config.js.
Lifetime licence
$8,000once
A single payment covering the system for as long as we run it, updates included. It pays for itself against the annual licence inside three years.
lifetime.link in assets/js/config.js.
- Performance fee
- None
- Management fee
- None
- Annual licence
- $3,000 / year
- Lifetime licence
- $8,000 once
- Included
- Software, updates, execution monitoring, support