Ji-woo Park
“The Digital Asset Manager” · Digital assets · Seoul
“Bitcoin's 200-week average has marked every cycle floor in its history. I accumulate at the floor, hold the trend, and trim the euphoria.”
She accumulates at the floor, holds the trend, and trims the euphoria.
Uses Bitcoin’s long-term average as a cycle compass — accumulate near the floor, trim into euphoria, never panic-sell.
The approach
Comes from digital-asset investing — Seoul, one of the world’s most active crypto markets, where the cycle is lived close up.
Ji-woo treats crypto’s violent cycles as a map rather than a threat. She uses Bitcoin’s long-term moving average — which has historically marked the floor of every past cycle — as a compass: accumulate aggressively when price sits near that floor, hold through the trend, and trim back into the euphoria when price runs far above it. Above all, she never panic-sells the bottom. It’s a disciplined, rules-based way to be invested in the most volatile asset there is — the highest-risk manager, by design.
Strengths
- A rules-based map for a wild asset
- Accumulates fear, trims euphoria
- Never panic-sells the floor
- Disciplined where crypto rewards discipline
Worth knowing
This is the highest-risk manager, full stop. Crypto can halve, and halve again; the strategy aims to survive and compound across a full cycle, not to spare you the gut-wrenching drawdowns along the way.
Built on
The Mayer Multiple (Trace Mayer)
Price relative to its 200-day average — a gauge of how stretched the cycle is.
The Bitcoin 200-week moving average
Has marked the floor of every Bitcoin cycle to date — the level she accumulates toward.
Bitcoin's four-year halving schedule
The fixed supply cut the market's boom-and-bust rhythm has so far tracked; first halving Nov 2012.
The literature
Nakamoto, “Bitcoin: A Peer-to-Peer Electronic Cash System” (2008)
The fixed issuance schedule that produces the halving cycle she trades.
The Mayer Multiple — Trace Mayer's 200-day-average gauge (2016)
The stretch measure behind her trimming rule.
Risk level 5 of 5
The highest risk on the roster. Expect deep drawdowns — digital assets routinely fall by half. This manager accumulates at the historic floor and trims euphoria, but the ride is violent.
Worst stretch in the 3-year backtest: a US$10,000 allocation would have fallen by US$3,219 (-32.2%) before recovering.
Form guide
SteadyTrades roughly monthly.
Counted from the manager’s own decision log. Activity is temperament, not skill — a patient manager isn’t worse than a busy one.
In the book right now: BTC-USD · ETH-USD — a few examples, without weights; every change they make is logged in plain English below.
Decision scorecard
Every buy and sell is graded once, 14 days later, against Bitcoin over the same window — a buy scores well if it beat the benchmark, a sell if the symbol then trailed it. 2 buys, 2 sells graded so far. Early days — treat these numbers as forming, not formed.
Grades measure decisions; they never change the rules. Rule changes only happen through the published spec process — see the transparency page.
Hire Ji-woo to run part of your own brokerage account — $9.99 a month, cancel any time. Every order they propose waits for your approval; the deepest historical loss of this method is shown above before you commit anything.
Hire Ji-woo →Backtest honesty
Same code, both records
Backtests and live trading run the same strategy code — there is no separate marketing backtest. Past performance does not predict future results.
The live record inherits a portfolio — it doesn't start from cash
On its first live day (13.06.2026) this manager took over the exact positions its backtest ended holding, rather than buying a fresh book from cash. That keeps the two records one continuous portfolio instead of two disconnected ones — but it means the earliest live weeks are driven by holdings chosen before the live record began, and you will find no purchase entries for them in the decision log below. The first live entries are that portfolio's next scheduled review.
Interview Ji-woo
Ask about their approach, their recent decisions, what could go wrong — anything. They answer in plain language; the exact rules stay in the engine.
How Ji-woo invests
A plain-English summary of the approach. Every decision this manager makes is logged below in the same plain language, so you can always see exactly what happened and why.
Accumulates Bitcoin and Ethereum when they sit near their long-term value floor, holds through the trend, and trims back when the market gets euphoric. Reviewed weekly.
Track record
- CAGR
- +39.4%
- Sharpe
- 0.88
- Max drawdown
- -32.2%
- Worst month
- -15.7%
Compounded over the window, US$10,000 would have become US$27,098 — hypothetical, and only for someone who sat through the -32.2% fall above without selling.
Backtest 13.06.2023 – 12.06.2026 · config 9ea28f65c16f3b15
Live paper-trading record
Live since 13.06.2026: a US$10,000 allocation would now be US$13,184 — up US$3,184 (+31.8%) over 86 trading days.
Marked at the last completed close, 06.09.2026 · NAV 361.70.
Crisis stress test
No 2008 or 2020 stress test for Ji-woo— and that's deliberate.
Ji-woo trades digital assets — there’s no honest Bitcoin history before 2014, and 2020’s −40% day trips our data-sanity guard.
We only publish a crisis chart when we can reproduce it honestly — we won't fake one. The managers whose instruments existed back then show their full 2008 & 2020 panels.
Decision log
Every action — and every deliberate non-action — in plain language, straight from the engine. Days the market was shut are listed separately, so they never bury a trade.
- hold
Weekly check: BTC is at 1.22× its 200-week average. M = 1.22 sits between 1.1 and 2.4 — hold zone: ride the trend, no trades.
- hold
Weekly check: BTC is at 1.23× its 200-week average. M = 1.23 sits between 1.1 and 2.4 — hold zone: ride the trend, no trades.
- hold
Weekly check: BTC is at 1.01× its 200-week average. M = 1.01 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH. Already positioned for this zone.
- hold
Weekly check: BTC is at 1.00× its 200-week average. M = 1.00 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH. Already positioned for this zone.
- hold
Weekly check: BTC is at 1.00× its 200-week average. M = 1.00 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH. Price is below the 200-week floor — historically the cycle bottom; we accumulate here, never panic-sell. Already positioned for this zone.
- hold
Weekly check: BTC is at 1.01× its 200-week average. M = 1.01 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH. Already positioned for this zone.
- buyBTC-USD✓ -2.8% after 2wks
Weekly check: BTC is at 1.03× its 200-week average. M = 1.03 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH.
- sellETH-USD✗ -2.3% after 2wks
Trimming an overweight position back to its target weight — Weekly check: BTC is at 1.03× its 200-week average. M = 1.03 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH.
- rebalance
Weekly check: BTC is at 1.03× its 200-week average. M = 1.03 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH.
- hold
Weekly check: BTC is at 0.99× its 200-week average. M = 0.99 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH. Price is below the 200-week floor — historically the cycle bottom; we accumulate here, never panic-sell. Already positioned for this zone.
- buyBTC-USD✗ +3.8% after 2wks
Weekly check: BTC is at 1.02× its 200-week average. M = 1.02 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH.
- sellETH-USD✗ +7.4% after 2wks
Trimming an overweight position back to its target weight — Weekly check: BTC is at 1.02× its 200-week average. M = 1.02 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH.
- rebalance
Weekly check: BTC is at 1.02× its 200-week average. M = 1.02 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH.
- hold
Weekly check: BTC is at 0.96× its 200-week average. M = 0.96 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH. Price is below the 200-week floor — historically the cycle bottom; we accumulate here, never panic-sell. Already positioned for this zone.
- hold
Weekly check: BTC is at 1.03× its 200-week average. M = 1.03 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH. Already positioned for this zone.
- hold
Weekly check: BTC is at 1.07× its 200-week average. M = 1.07 ≤ 1.1 — accumulation zone: fully invested at 70/30 BTC/ETH. Already positioned for this zone.
- sell
A client redeemed 3.6851 units at NAV 271.36 ($1,000.00 returned to their virtual cash, priced as of 11.06.2026). The model portfolio is unchanged — withdrawals never force this manager to trade.