crypto
10 articles on crypto.
funding-rates · perpetuals · data-study
The Funding Rate Almanac: What Five Years of Perp Carry Actually PaidWe took every settlement-level funding print in our market database — 80,000 of them across Binance, Hyperliquid, and KuCoin since 2019 — and measured what collecting perp funding actually paid. The answer: a real but violently regime-dependent yield, and a persistent cross-venue gap that most carry traders are leaving on the table.
The Fluxy Team ·
non-custodial · security · education
What "Non-Custodial" Actually Means in Automated Crypto TradingAfter every exchange collapse, the same lesson gets re-learned at terrible expense: the risk wasn't the trading, it was the custody. 'Non-custodial' automation means your capital never leaves your own exchange account — and knowing how to verify that claim is the first skill of automated trading.
The Fluxy Team ·
backtesting · survivorship-bias · delistings
Survivorship Bias in Crypto Backtests: The Coins That Aren't There AnymoreBuild your universe from today's listings and you've quietly deleted every coin that died — which means your backtest only ever trades the winners. In crypto, where delisting is routine and drawdowns end at zero, survivorship bias isn't a footnote. It's often the whole edge.
The Fluxy Team ·
backtesting · walk-forward · out-of-sample
Walk-Forward Analysis in Crypto: Making Out-of-Sample Mean SomethingEvery parameter sweep produces one combination that looks brilliant — and most of them are brilliant only at describing the past. Walk-forward analysis is the discipline that separates a strategy from a coincidence: tune on one window, judge on the next, and only ever trust the windows the strategy never saw.
The Fluxy Team ·
data-engineering · data-catalog · architecture
Logical Datasets, Not Raw Tables: The Catalog That Decouples Strategies From StorageCrypto data is a mess of inconsistent column names, symbol formats, and venue quirks. The dataset catalog maps a clean logical name — 'ohlcv', 'funding' — to a physical table plus a column map and point-in-time semantics, so a strategy says what it needs and never touches a raw table. Add a data source by adding a catalog row, not changing engine code.
The Fluxy Team ·
execution · order-sizing · exchanges
The Last Mile of Execution: Turning a Target Into an Order an Exchange Will AcceptA strategy says 'hold $1,000 of this'. The exchange says 'orders must be in increments of 0.001, at least 0.01 units, and worth at least $5'. Bridging those two sentences correctly — every time, for every venue — is the unglamorous last mile where naive execution engines silently drop trades. Here's the sizing logic that gets it right.
The Fluxy Team ·
funding-rates · perpetuals · crypto
Funding Rates: The Crypto-Native Yield Hiding in Plain SightEvery few hours, enormous sums change hands between longs and shorts on crypto perpetual futures. That flow is called funding, and it's one of the most distinctive sources of return in all of crypto — a yield with no equivalent in traditional markets. Here's what funding is, why it exists, and why a fund that ignores it is leaving a whole asset class of strategy on the table.
The Fluxy Team ·
systematic-trading · discretionary · trading-psychology
Systematic vs. Discretionary: Why Rules Beat Gut in a Market That Never SleepsCrypto is the hardest market in the world to trade on instinct: it's open every hour of every day, it's emotionally brutal, and it punishes the exact human reflexes that feel most natural. Systematic trading — rules written down, tested, and executed without a human in the moment — isn't about distrusting your judgment. It's about deploying it where it actually works and protecting it from where it doesn't.
The Fluxy Team ·
backtesting · quant · data-engineering
No Look-Ahead by Construction: Killing the #1 Backtest LieMost backtests quietly leak the future into the past. Here's how our engine makes look-ahead bias structurally impossible — as-of joins on the bar clock, per-instrument freshness TTLs, and a leak-check attestation on every preview.
The Fluxy Team ·
backtesting · funding · perpetuals
Funding Carry Is a First-Class Citizen: Backtesting Perp Basis Without HacksIf your backtester ignores funding, every carry, basis, and delta-neutral strategy you test is a fiction. Our engine charges funding at each venue's real settlement times, on live mark notional — so a Binance 8h feed and a Hyperliquid 1h feed are both charged correctly in the same study.
The Fluxy Team ·