| name | funding-rate-trading |
| description | Evaluate venue-specific perpetual funding, basis, and delta-neutral carry. Use when normalizing funding history, stress-testing hedge/margin/exchange risks, or testing contrarian funding features. |
| license | Apache-2.0 |
| metadata | {"author":"ske-labs","version":"4.0"} |
Funding Rate Trading
Perpetual futures use venue-specific funding mechanisms to influence alignment with spot. Funding and basis can support carry or directional hypotheses, but neither is an arbitrage guarantee or standalone signal.
Funding Rate Basics
- Positive funding: Longs pay shorts (market is bullish/overleveraged long)
- Negative funding: Shorts pay longs (market is bearish/overleveraged short)
- Interval, formula, caps, and settlement are venue-specific. Read the current contract specification before annualizing.
Funding Rate Signals
| Observation | What it establishes | What it does not establish |
|---|
| Positive funding | Longs pay shorts for that interval | Imminent reversal |
| Negative funding | Shorts pay longs for that interval | Market bottom |
| Persistent extreme percentile | Crowded carry relative to venue history | Safe contrarian entry |
| Wide perp/spot basis | Hedge and funding demand | Guaranteed convergence |
Strategies
1. Funding Rate Arbitrage (Delta Neutral)
- Long spot + short perp when funding is highly positive
- Collect funding payments while market-neutral
- Annualized simple rate = interval rate × actual intervals per year; also report compounded and realized rates separately
- Enter only when stressed net carry remains positive after fees, basis moves, rebalancing, margin, and custody costs
2. Extreme Funding Reversal Hypothesis
- Define extremes by the same venue/contract's historical percentile and test positive/negative tails separately.
- Require an objective price trigger and stress continued crowding; do not wait for or assume a liquidation cascade.
3. Funding as Confirmation
- Use funding direction to confirm or reject a technical setup
- Test whether funding adds information beyond price-derived features such as RSI
Workflow
- Get current funding rate data:
get_financial_news(topic="BTC perpetual funding rate Binance Bybit")
- Check spot price and momentum:
get_candles(symbol="BTC/USD", exchange="binance", interval="4h", count=1)
get_indicators(indicator_code="rsi", symbol="BTC/USD", exchange="binance", interval="4h")
- Assess futures-spot premium:
get_financial_news(topic="BTC futures premium spot basis")
-
Calculate net carry from the venue's actual interval and historical realized rates. Stress a funding flip, spot/perp basis widening, hedge mismatch, and liquidation on either leg.
-
Report: funding regime (extreme/normal), sentiment implication, arb APR if applicable, and any contrarian trade setup with technical confirmation.
Evidence and Validation
- Treat the setup as a testable hypothesis, not a prediction. Define thresholds, entry, invalidation, and exit before evaluating outcomes.
- Calibrate on the same instrument, venue, session, and timeframe. Use closed candles and a held-out or walk-forward sample; record every variant tried.
- Include spread, fees, slippage, borrow or funding, partial fills, and latency. Reject the setup when net expectancy is not positive or depends on one narrow parameter.
- Return observed inputs, missing data, cost assumptions, entry, invalidation, exit, and a valid, watch, or no-trade status.
- Research basis: Coinbase's funding documentation shows that interval, annualization, caps, and settlement are venue-specific; perpetual-futures research documents basis and trading-cost bounds.
Key Rules
- Use a predeclared persistence window and the contract's actual interval; never assume an 8-hour schedule.
- Monitor funding, basis, hedge error, collateral, and liquidation state throughout the position.
- Extreme funding can persist or flip; estimate conditional outcomes rather than predicting a cascade.
- Same-venue legs reduce transfer latency but concentrate exchange and collateral risk; cross-venue legs introduce transfer and basis risk
Related Skills
- arbitrage-trading -- funding arb is a specific delta-neutral arbitrage strategy
- on-chain-analysis -- exchange flow data confirms leverage buildup behind funding extremes
