Funding Rates (Intro)
Why this matters
Perpetual futures never expire, so venues need a mechanism to keep contract price anchored near spot. That mechanism is funding.
Ignore funding and a "winning" directional trade can still bleed cash while you wait. Holders pay or receive funding on a schedule — it is part of your real P&L.
What Funding Is
Funding is a periodic payment between longs and shorts. It is not a fee to the exchange in the usual sense — traders pay each other based on the rate and their position side.
If the funding rate is positive, longs typically pay shorts. If negative, shorts pay longs. Exact mechanics vary by venue, but the idea is the same.
- Periodic transfer between opposing sides
- Size of payment scales with position notional and rate
- Shows up in your account even if price barely moved
Why Funding Exists
When the perp trades rich to spot, long demand is crowded. Positive funding makes holding longs more expensive and shorts more attractive, pulling price back toward fair value.
When the perp trades cheap, negative funding does the opposite. Funding is a pressure valve, not a prediction of the next candle.
- Anchors perps toward spot over time
- Crowded side often pays the other side
- High funding can persist during strong trends
Funding Pressure
Positive funding: longs pay shorts. Negative funding: shorts pay longs.
Hold Cost and Carry
Think of funding as the carry cost (or income) of keeping a leveraged view open. A multi-day swing trade at elevated positive funding taxes longs every interval.
Example: if you pay 0.01% every 8 hours, that is roughly 0.03% per day on notional — small once, meaningful over weeks, brutal if the rate spikes.
- Short holds care less about tiny rates; long holds add up
- Spike funding can erase edge on slow trades
- Compare expected move vs expected funding paid/received
Check Funding Before You Hold Overnight
Before sleeping on a position, glance at current funding and recent history. If you are long and funding is heavily positive, you are paying for the privilege of staying long.
That does not mean "never hold." It means size and timeframe should justify the carry. Day trades care less; swing trades must budget for it.
- Check rate and next payment time
- Crowded narrative trades often have painful funding
- Track funding in your journal alongside price P&L
Tracking Funding in Practice
Price P&L without funding is incomplete on perps. Serious traders include funding in trade review so they know whether the thesis paid after costs.
TrendWave tracks funding fees with your trade history so you can see the real carry cost instead of eyeballing screenshots.
- Funding is part of realized performance
- Review periods with high funding separately
- Do not confuse funding income with directional skill
Key Takeaways
Remember these points
- •Funding is a payment between longs and shorts on perps.
- •Positive funding usually means longs pay shorts.
- •It exists to keep perpetuals anchored near spot.
- •Hold cost matters for overnight and multi-day trades.
- •Include funding when you judge whether a trade actually worked.
Common Mistakes
Ignoring funding on swing trades
A slow winner can become a loser after days of paying elevated funding. Budget carry the same way you budget fees.
Chasing funding yield as a strategy without risk controls
Collecting funding by sitting on the receiving side still carries directional and liquidation risk. Yield is not free.
Looking only at price P&L
If you never record funding, you will overstate performance on the side that paid and understate the side that received.
Quiz
0/4 answered1.When funding is positive, typically:
2.Funding primarily helps:
3.Funding matters most when you:
4.A complete perp trade review should include:
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