Rain spreads and order-book depth

MEXC has the tightest measured spread on Rain right now, at <$0.01 per RAIN (1.71 bps) on RAIN/USDT, sampled 1 hour ago. RampAtlas reads 3 venues' public order books for RAIN every two hours and reports the spread, the resting depth within 1% of the mid, and what a market buy of $500, $5,000 or $50,000 would pay above the mid.

Verified How we verify

Where RAIN trades tightest

ExchangePairSpread24h medianBid depth 1%Ask depth 1%$500 buy$5,000 buy$50,000 buySampled
MEXCRAIN/USDT<$0.011.71 bps20.0 bps$4,319$15,5960.853 bps30.5 bps361 bps1 hour ago
GateRAIN/USDT<$0.019.13 bps8.38 bps$28,117$17,1588.86 bps20.5 bps308 bps1 hour ago
KuCoinRAIN/USDT<$0.0118.9 bps14.8 bps$10,964$17,75814.7 bps25.6 bps—1 hour ago

Spread is the latest reading, shown as what crossing it costs on one RAIN and as a share of the mid in basis points; the median column is over the last 24 hours. Depth is the notional value of resting orders within 1% of the mid on each side, converted to US dollars. Slippage is what a market buy of that size would pay above the mid on the book we read, and is blank where the visible book could not fill it.

  • MEXC (RAIN/USDT): Quoted in USDT, counted at one US dollar.
  • Gate (RAIN/USDT): Quoted in USDT, counted at one US dollar.
  • KuCoin (RAIN/USDT): Quoted in USDT, counted at one US dollar. The visible asks could not fill $50,000, so that slippage is not measured.

Spread history

RAIN spread over the last 7 daysOne panel per venue. Each point is a single order-book read; the vertical scale is that venue's own range, so panels show shape rather than comparing venues to one another. Compare levels in the table above.

  • MEXC

    RAIN/USDT · 0.241 bps–253 bps

    Sep 21.71 bpsSep 2: 20.0 bpsSep 2: 19.0 bpsSep 2: 20.0 bpsSep 2: 19.0 bpsSep 3: 20.0 bpsSep 3: 20.0 bpsSep 3: 20.4 bpsSep 3: 19.6 bpsSep 3: 69.6 bpsSep 3: 199 bpsSep 3: 206 bpsSep 3: 253 bpsSep 3: 20.0 bpsSep 3: 16.6 bpsSep 3: 3.56 bpsSep 3: 3.56 bpsSep 4: 20.0 bpsSep 4: 20.0 bpsSep 4: 20.0 bpsSep 4: 20.0 bpsSep 4: 20.0 bpsSep 4: 20.0 bpsSep 4: 20.0 bpsSep 4: 20.0 bpsSep 4: 20.0 bpsSep 4: 13.0 bpsSep 4: 0.241 bpsSep 4: 20.0 bpsSep 5: 20.0 bpsSep 5: 20.0 bpsSep 5: 25.0 bpsSep 5: 1.71 bps

  • Gate

    RAIN/USDT · 0.587 bps–19.1 bps

    Sep 29.13 bpsSep 2: 19.1 bpsSep 2: 11.4 bpsSep 2: 10.2 bpsSep 2: 14.9 bpsSep 3: 7.76 bpsSep 3: 10.8 bpsSep 3: 4.19 bpsSep 3: 10.8 bpsSep 3: 5.40 bpsSep 3: 7.25 bpsSep 3: 9.04 bpsSep 3: 7.83 bpsSep 3: 11.1 bpsSep 3: 9.33 bpsSep 3: 7.00 bpsSep 3: 9.92 bpsSep 4: 3.50 bpsSep 4: 13.4 bpsSep 4: 2.92 bpsSep 4: 0.587 bpsSep 4: 1.78 bpsSep 4: 7.70 bpsSep 4: 4.15 bpsSep 4: 6.62 bpsSep 4: 11.5 bpsSep 4: 9.65 bpsSep 4: 7.24 bpsSep 4: 9.05 bpsSep 5: 3.02 bpsSep 5: 12.8 bpsSep 5: 14.0 bpsSep 5: 9.13 bps

  • KuCoin

    RAIN/USDT · 0.600 bps–112 bps

    Sep 218.9 bpsSep 2: 14.3 bpsSep 2: 14.9 bpsSep 2: 13.1 bpsSep 2: 17.3 bpsSep 3: 16.1 bpsSep 3: 16.2 bpsSep 3: 2.99 bpsSep 3: 12.0 bpsSep 3: 0.600 bpsSep 3: 8.43 bpsSep 3: 16.9 bpsSep 3: 12.7 bpsSep 3: 2.92 bpsSep 3: 15.2 bpsSep 3: 14.6 bpsSep 3: 11.1 bpsSep 4: 11.7 bpsSep 4: 11.1 bpsSep 4: 11.7 bpsSep 4: 12.3 bpsSep 4: 12.5 bpsSep 4: 5.92 bpsSep 4: 7.10 bpsSep 4: 16.3 bpsSep 4: 5.43 bpsSep 4: 16.3 bpsSep 4: 14.5 bpsSep 4: 15.1 bpsSep 5: 11.5 bpsSep 5: 31.7 bpsSep 5: 112 bpsSep 5: 18.9 bps

Method

Pairs are fixed per venue so each series measures the same book over time: the quote currency is chosen once, preferring US dollars, then dollar stablecoins, then euros or the venue's home currency. A non-dollar book's depth is converted using that book's own mid against RAIN's snapshot US dollar price.

Frequently Asked Questions

Which exchange has the tightest RAIN spread?
MEXC, at <$0.01 per RAIN (1.71 bps) on RAIN/USDT as of the sample taken 1 hour ago. Spreads move, so this page is re-measured every two hours.
Does a tighter spread mean RAIN is cheaper to buy there?
Only in part. The spread is one of three costs: the trading fee, the spread you cross, and the deposit or card fee that got your money onto the venue. The fee pages put all three together for a given purchase size, and use the measured spread on this page wherever we have one.
What does 1% depth tell me?
It is the dollar value of orders resting within 1% of the mid price on one side of the book. A venue with a tight spread but shallow depth will still move against a large order — which is why the table also shows what $500, $5,000 and $50,000 market buys would pay.

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