OKX Perpetual Field Guides.
Twelve cornerstone long reads — funding rate and fees, liq-price math, grid density, Kelly sizing, liquidation heatmap. We opened 100-1000 USDT positions on OKX, walked through every step, then wrote it down. Data comes straight from the OKX public REST API.
OKX perp fees and funding rate, fully unpacked
Maker 0.02% / taker 0.05% ladder, the 8-hour funding settlement cycle, annualised math, with a 100 USDT × 10x worked example.
Read · ~14 min →Leverage vs liq price, the math
Isolated vs cross, maintenance-margin rate 0.4-0.6%, partial-liquidation thresholds, with hand-calculated liq prices for longs and shorts.
Read · ~13 min →Grid strategy handbook
OKX grid-bot parameters — price band, density, arithmetic vs geometric, single-grid yield — plus a 1,000 USDT × BTC 60k-80k × 50-grid 30-day backtest.
Read · ~15 min →The stop-loss vs position-size paradox
Three variables — win rate, payoff, position size — and nine combinations showing why "tight stop, big size" usually loses.
Read · ~12 min →Reading the liquidation heatmap
How CoinGlass builds the heatmap, what a magnet price means, how liquidity clusters form. With the 2024-08-05 BTC $49k case.
Read · ~11 min →OKX perpetual 24h workflow
Deposit, internal transfer, open, monitor, close, withdraw — six steps, each mapped to the actual OKX button.
Read · ~16 min →Long/short ratio vs Top Trader
OKX's four long/short feeds — global account, global position, top-trader account, top-trader position — and why LSR > 2.5 is a contrarian signal.
Read · ~12 min →Kelly Criterion and real position sizing
The f = (bp − q)/b formula, decomposed. Why crypto perps demand half or quarter Kelly, with a 55% win-rate × 1.5 payoff example.
Read · ~13 min →The 5 most common perp rookie mistakes
First-time BTC/ETH perp blowups concentrate in five scenarios — all-in cross, no stops, wrong leverage, missed funding, weekend gaps.
Read · ~10 min →OKX VIP tiers and the perpetual fee ladder
VIP0 through VIP8 thresholds, asset vs 30-day volume requirements, perpetual maker/taker tier ladder, plus Affiliate stacking.
Read · ~11 min →Perp vs spot vs margin vs options — which one fits you
Four crypto products, four risk profiles. Same 1,000 USDT BTC trade, 30 days, four different PnL profiles. Four questions to pick yours.
Read · ~12 min →The 2024-08-05 BTC flash crash, replayed
BOJ hike + carry-trade unwind + thin August liquidity drop BTC from $61,200 to $48,830 in six hours. Full minute-by-minute timeline.
Read · ~14 min →Done reading? Go run it on OKX.
Understanding the numbers isn't the same as placing the trade. Open OKX with 100-200 USDT and walk through the steps in any one of the articles above.