Announcement on adjusting some trading specifications for LUNA and ANC spot and perpetual contracts

To further improve market liquidity and mitigate risks, at 4 AM UTC May 12, OKX has adjusted the tick sizes of LUNA/USDT and LUNA/UST spot trading, and the tick sizes, position tiers, index components, price limits, funding rate, and order management rules of LUNAUSDT and ANCUSDT perpetual contracts. The adjustment details are as follows:

1. Tick sizes

Type	Pair	Before	After
Spot	LUNA/USDT	0.001	0.0001
Spot	LUNA/UST	0.001	0.0001
Perpetual	LUNAUSDT	0.001	0.0001

Existing orders will not be canceled because of the tick sizes adjustment, and users should take note of the following:

a. Open orders and historic orders will be displayed with the adjusted tick sizes.

b. After the adjustment, existing orders, including those placed by API users, will still be filled according to the original tick sizes.

2. Perpetual position tiers

Perpetual	Tier	Min. amount (Cont)	Max. amount (Cont)	Maintenance margin ratio	Min. initial margin ratio	Max. leverage
LUNAUSDT	1	0	150,000	1.00%	1.30%	75
	2	150,001	300,000	1.50%	2.00%	50
	3	300,001	600,000	2.00%	5.00%	20
	4	600,001	1,200,000	2.50%	5.50%	18.18
	5	Increase by 600,000 conts from the previous tier	Increase by 600,000 conts from the previous tier	Increase by 0.5% from the previous tier	Increase by 0.5% from the previous tier	Max. leverage of the tier
ANCUSDT	1	0	8,000	1.00%	1.30%	75
	2	8,000	20,000	1.50%	2.00%	50
	3	20,000	80,000	2.00%	5.00%	20
	4	80,000	160,000	2.50%	5.50%	18.18
	5	Increase by 80,000 conts from the previous tier	Increase by 80,000 conts from the previous tier	Increase by 0.5% from the previous tier	Increase by 0.5% from the previous tier	Max. leverage of the tier

3. Index

Index	Before			After
Index	Exchange	Pair	Weight	Exchange	Pair	Weight
ANC/USD	Gate	ANC/USDT	33.3%	Gate	ANC/USDT	25%
	Kuoin	ANC/USDT	33.3%	Kucoin	ANC/USDT	25%
	OKX	ANC/USDT	33.3%	OKX	ANC/USDT	25%
				Binance	ANC/USDT	25%
ANC/USDT	Gate	ANC/USDT	33.3%	Gate	ANC/USDT	25%
	Kucoin	ANC/USDT	33.3%	Kucoin	ANC/USDT	25%
	OKX	ANC/USDT	33.3%	OKX	ANC/USDT	25%
				Binance	ANC/USDT	25%

4. Funding Rate

Fund rate rules:

Funding Rate = Clamp(MA(((Best Bid Best Offer)/2-Spot Index Price)/Spot Index Price-Interest),a,b)
*Interest is currently zero

The values of a and b are as follows:

Type	Pair	Effective on	a, b
Perpetual	LUNAUSDT、ANCUSDT	Before 8 AM UTC May 11	a=-0.75%，b=0.75%
Perpetual	LUNAUSDT、ANCUSDT	8 AM UTC 11 May - 8 AM UTC 11 May	a=-5%，b=5%
Perpetual	LUNAUSDT、ANCUSDT	After 8 AM UTC 11 May	a=-10%，b=10%

5. Price Limits

Formula of price limit:

Period	Max Buy Price	Min Sell Price
Within 10 minutes after the contracts launched	Index *(1 X)	Index *(1-X)
Contracts launched 10 minutes later	Min[Max(Index, Index (1 Y) price movement average within the last 10 mins), Index (1 Z)]	Max[Min(Index, Index (1-Y) price movement average within the last 10 mins), Index (1-Z)]

The values of X, Y and Z are as follows:

Type	Pair	PriceLimits	X	Y	Z
Perpetual	LUNAUSDT	Before	4%	4%	8%
Perpetual	LUNAUSDT	After	6%	6%	35%
Perpetual	ANCUSDT	Before	6%	6%	15%
Perpetual	ANCUSDT	After	6%	6%	25%

6. Order Management

Type	Pair	Order Management (Unit:cont)	Before	After
Perpetual	LUNAUSDT	Upper limits per closing-market order	14,000	100,000
Perpetual	LUNAUSDT	Upper limits per stop-market order	14,000	100,000
Perpetual	LUNAUSDT	Upper limits per market order	14,000	100,000
Perpetual	LUNAUSDT	Upper limits per Trigger-market order	14,000	100,000
Perpetual	ANCUSDT	Upper limits per closing-market order	3,000	50,000
Perpetual	ANCUSDT	Upper limits per stop-market order	3,000	50,000
Perpetual	ANCUSDT	Upper limits per market order	3,000	50,000
Perpetual	ANCUSDT	Upper limits per Trigger-market order	3,000	50,000