idax exchange vs Kalshi: fees compared
Every fee that costs you money on idax exchange and Kalshi, side by side — trading fees at each VIP tier, withdrawal fees coin by coin, deposits and fiat. Sourced from each exchange’s own fee pages.
idax exchangeRank #190
KalshiExchangeThe short answer
- On futures, idax exchange is cheaper for takers (0.1% vs 0.12%).
- Kalshi publishes the deeper VIP ladder (6 tiers), so high-volume traders can push fees lower there.
Head-to-head
| Fee | idax exchange | Kalshi |
|---|---|---|
| Trading fees | ||
| Spot maker | 0.2% | — |
| Spot taker | 0.2% | — |
| Futures maker | 0.05% | 0.02%cheaper |
| Futures taker | 0.1%cheaper | 0.12% |
| Lowest spot taker (top VIP tier) | 0.2%Regular | 0.01%cheaperLevel 5 |
| Fee tiers published | 1Spot trading | 6more |
| Fee discount with exchange token | 0.18% paying fees in ARDX | — |
| Withdrawals & deposits | ||
| Coins you can withdraw | 378synced 2026-08-29 00:53 UTC | — |
| Median withdrawal fee (coins on both) | — | — |
| Cheaper withdrawal on… | — | — |
| Crypto deposit fee | Free | — |
| Exchange profile | ||
| Volume 24h (spot + derivatives) | $7.19BmoreOI $45.89M | $511.72MOI $46.41M |
| Markets | Spot, Derivatives | Spot, Derivatives |
| Fiat currencies | SupportedBank, 3rd-party | — |
“Cheaper” marks the better number on that row only. A dash means we have not verified that fee for the exchange yet — it is not a claim that the fee is zero.
What would you actually pay?
- Trading (Regular · 0.05% / 0.1%)
- $750.00
- Withdrawals (no coin selected)
- —
- Trading (Level 2 · 0.012% / 0.06%)
- $360.00
- Withdrawals (no coin selected)
- —
At $1M of monthly futures volume (50% maker) plus 4 coin withdrawals, Kalshi costs $390.00 less per month — $4,680.00 a year.
Estimate only: it applies each exchange’s published VIP ladder for the market you picked, ignores token-payment discounts, referral rebates and promotional zero-fee pairs, and assumes every withdrawal uses the cheapest network above. Negative fees are maker rebates.
Spot fee tiers side by side
idax exchangeSpot trading
| Tier | 30d volume ≥ | Maker | Taker |
|---|---|---|---|
| Regular | — | 0.2% | 0.2% |
Source: idax exchange fee schedule ↗ · verified 2026-08-28
Kalshi
No spot fee tiers verified for Kalshi yet.
Futures fee tiers side by side
idax exchangeFutures trading — Perpetual
| Tier | 30d volume ≥ | Maker | Taker |
|---|---|---|---|
| Regular | — | 0.05% | 0.1% |
Source: idax exchange fee schedule ↗ · verified 2026-08-28
KalshiFutures trading — Crypto perpetuals
| Tier | 30d volume ≥ | Maker | Taker |
|---|---|---|---|
| Tier 0 | — | 0.02% | 0.12% |
| Level 1 | $100.00K | 0.015% | 0.1% |
| Level 2 | $1.00M | 0.012% | 0.06% |
| Level 3 | $10.00M | 0% | 0.02% |
| Level 4 | $100.00M | 0% | 0.015% |
| Level 5 | $1.00B | 0% | 0.01% |
Source: Kalshi fee schedule ↗ · verified 2026-08-28
Withdrawal fees, coin by coin
We have not synced withdrawal fees for Kalshi yet, so there is nothing to compare coin by coin. See idax exchange withdrawal fees →
Deposit, fiat, card and other fees
| Fee | idax exchange | Kalshi |
|---|---|---|
| Crypto deposit fee | Free | — |
idax exchange vs Kalshi — FAQ
Is idax exchange or Kalshi cheaper?
On futures, idax exchange is cheaper for takers (0.1% vs 0.12%). Kalshi publishes the deeper VIP ladder (6 tiers), so high-volume traders can push fees lower there.
Which has lower trading fees, idax exchange or Kalshi?
idax exchange charges 0.2% taker / 0.2% maker on spot and 0.1% taker on futures at the entry tier. Kalshi charges — taker / — maker on spot and 0.12% taker on futures. Across the metrics we compare, Kalshi wins more of them. Both drop as your 30-day volume grows — use the calculator above to price your own volume.
Which is cheaper for withdrawals, idax exchange or Kalshi?
We do not yet have withdrawal fees synced for both exchanges, so we can't compare them coin by coin.
How can I pay lower fees on idax exchange or Kalshi?
idax exchange: 0.18% paying fees in ARDX. Both exchanges also cut maker/taker rates as your 30-day volume rises — idax exchange publishes 1 tier and Kalshi publishes 6 tiers. Choosing the cheapest withdrawal network matters just as much: on many coins the gap between networks is larger than the gap between exchanges.
Are these idax exchange and Kalshi fees up to date?
Trading fees are hand-curated from each exchange's official fee schedule and carry the date we last verified them (2026-08-28 for idax exchange, 2026-08-28 for Kalshi). Withdrawal fees are synced from each exchange's own API or fee page (last sync 2026-08-29 00:53 UTC for idax exchange). USD amounts are recomputed at the live coin price.
Other comparisons
Trading and other fee numbers are hand-curated from each exchange’s official fee pages (linked next to every tier table) and carry the date we last verified them. Withdrawal fees are synced from each exchange’s own API or fee page; USD amounts are computed at the current live coin price, so they move with the market. Rates exclude referral rebates, promotional zero-fee pairs and regional pricing. Full detail per exchange: idax exchange fees · Kalshi fees.