Entry cost

SPX markets

Type a position size; every exchange is repriced against its live order book.

Asset

Cheapest round trip on $10kMEXC20.3 bp

You pay, in and out−$20

Second cheapest costs+$10 more

Venues that fill it15of 19

Margin at 100x$100

Exchange	Price	Taker / maker	Half-spread	Buy (long)	Sell (short)	Round trip	In $	Measured up to	Margin at max lev	Median 24h	Median 7d	p10-p90 7d
MEXC SPX_USDT · live order book, 1 min agocheapest	0.5012	0.020%/0.010%	2.99 bp	10.5 bp	9.8 bp	20.3 bp	−$20	$2.5M	$100 100x	13.9 bp	14.4 bp	11.2-17.6 bp
Hyperliquid SPX · live order book, 11 min ago	0.5015	0.045%/0.015%	1.99 bp	14.0 bp	16.5 bp	30.5 bp	−$31	$12K	$2,000 5x	22.3 bp	22.4 bp	16.2-30.1 bp
BloFin SPX-USDT · live order book, 45 min ago	0.5021	0.060%/0.020%	2.93 bp	16.7 bp	16.6 bp	33.3 bp	−$33	$626K	$133 75x	24.9 bp	24.8 bp	13.6-36.8 bp
Binance SPXUSDT · live order book, 14 min ago	0.5012	0.050%/0.020%	0.99 bp	16.9 bp	17.4 bp	34.2 bp	−$34	$902K	$133 75x	26.8 bp	28.7 bp	21.8-35.5 bp
ApeX Omni SPXUSDT · live order book, 44 min ago	0.5010	0.050%/0.020%	7.82 bp	18.8 bp	16.4 bp	35.2 bp	−$35	$163K	$400 25x	20.0 bp	23.6 bp	17.9-26.4 bp
Bybit SPXUSDT · live order book, 1 min ago	0.5006	0.055%/0.020%	2.00 bp	22.2 bp	13.8 bp	36.0 bp	−$36	$428K	$200 50x	24.8 bp	27.8 bp	19.9-35.7 bp
BingX SPX-USDT · live order book, 1 min ago	0.5016	0.050%/0.020%	4.99 bp	20.9 bp	19.5 bp	40.4 bp	−$40	$2.8M	—	33.9 bp	33.7 bp	22.0-42.8 bp
Lighter SPX · live order book, 41 min ago	0.5019	0.000%/0.000%	20.35 bp	20.4 bp	20.4 bp	40.7 bp	−$41	$118K	$2,000 5x	27.7 bp	27.2 bp	18.8-35.3 bp
Bitget SPXUSDT · live order book, 5 min ago	0.5016	0.060%/0.020%	6.98 bp	22.1 bp	21.6 bp	43.6 bp	−$44	$326K	$200 50x	36.2 bp	34.9 bp	23.6-46.0 bp
Extended SPX-USD · live order book, 45 min ago	0.5010	0.025%/0.000%	3.32 bp	35.2 bp	33.3 bp	68.5 bp	−$69	$147K	$1,000 10x	61.8 bp	61.8 bp	47.0-68.5 bp
Kraken Futures PF_SPXUSD · live order book, 46 min ago	0.5015	0.050%/0.020%	7.83 bp	36.0 bp	38.4 bp	74.4 bp	−$74	$48K	$500 20x	94.9 bp	99.4 bp	78.5-153.0 bp
OKX SPX-USDT-SWAP · live order book, 5 min ago	0.5011	0.050%/0.020%	2.00 bp	42.4 bp	44.5 bp	86.9 bp	−$87	$53K	$500 20x	69.0 bp	67.3 bp	45.7-85.9 bp
KuCoin SPXUSDTM · live order book, 1 min ago	0.5014	0.060%/0.020%	2.00 bp	58.9 bp	55.2 bp	114.1 bp	−$114	$169K	$200 50x	72.3 bp	72.3 bp	58.1-84.7 bp
Gate SPX_USDT · live order book, 5 min ago	0.5010	0.075%/0.020%	4.00 bp	80.8 bp	78.9 bp	159.7 bp	−$160	$41K	$200 50x	180.7 bp	242.6 bp	172.3-330.2 bp
SunX SPX-USDT · live order book, 3 min ago	0.5009	0.040%/0.020%	32.00 bp	108.8 bp	113.8 bp	222.7 bp	−$223	$15K	$500 20x	213.6 bp	213.9 bp	210.0-221.2 bp
Variational Omni SPX	0.5003	0.000%/0.000%	6.00 bp	the book does not hold this size
Aster SPXUSDT	0.5019	0.040%/0.000%	13.72 bp	the book does not hold this size (about $9.7k a side)
Orderly PERP_SPX_USDC	0.5022	0.030%/0.000%	—	below $100k OI and volume: not sampled
Injective SPX/USDC PERP	0.4979	0.000%/—	—	below $100k OI and volume: not sampled

Slippage is the average fill price of a market order walking the book against the mid; the half-spread is part of it. A size between two measured points is interpolated and marked ~. Fees are each exchange's base taker tier, before volume tiers and token discounts. Exchanges that fill at an oracle price (GMX, Avantis, Jupiter) charge price impact by formula and are not modeled. RFQ exchanges (Variational) quote only $1k, $100k and $1M. The calculator runs from $1k to $5M.