|Identity verification / Advertiser status | Min and max amounts in USD (applies to both public and private buy/sell ads) | ---------- | ---------- | | Basic verification (level 1) |100 - 1,000 | |Advanced verification (level 2) | 100 - 10,000 | | Video verification (level 3) | 100 - 10,000 | | Super | 100 - 100,000 | |Diamond | 100 - 150,000 | Reminder: Users who aren't able to meet the minimum amount can purchase or sell their crypto as a taker instead.

The maintenance is estimated to be accomplished within 60 mins. The completion time of system maintenance will be notified via announcement. Please feel free to ask for the latest update on maintenance through Telegram Group (https://t.me/OKXOfficial_English) or contact us via Customer Support. Thank you for your continued support and we assure you our best services at all times. Regards, OKX May 15, 2020

The maintenance is estimated to be accomplished within 30 mins. The completion time of system maintenance will be notified via announcement. Please feel free to ask for the latest update on maintenance through Telegram Group (https://t.me/OKXOfficial_English) or contact us via Customer Support. Thank you for your support and understanding! OKX March 03, 2020

SUNUSDT、SUNUSD Perpetual： Within 10 minutes after the contracts launched: Max. bid price = Spot index (1 + 0.5%); Min. ask price = Spot index (1 – 0.5%) Contracts launched 10 minutes later: Max. bid price = Min [Max (Index, Index*1.06 + price movement average within the last 10 mins), Index*1.12]; Min. ask price = Max [Min (Index, Index*0.94 + price movement average within the last 10 mins), Index*0.88] 2.

Futures price limit rules will be adjusted to: Within 10 minutes after the order is placed: Max. bid price = Spot index (1 + 5%); Min. ask price = Spot index (1 – 5%) After 10 minutes: Max. bid price = Min [Max (Index, Index*1.03 + price movement average within the last 10 mins), Index*1.25]; Min. ask price = Max [Min (Index, Index*0.97 + price movement average within the last 10 mins), Index*0.75] 2.

USDTperpetual swaps CHZUSDT perpetual swap Tier Min. amount (Cont) Max. amount (Cont) Maintenance margin ratio Min. initial margin ratio Max. leverage 1 0 5,000 1.00% 1.30% 75 2 5,001 7,500 1.50% 2.00% 50 3 7,501 15,000 2.00% 5.00% 20 4 Increase by 15,000 conts from the previous tier Increase by 15,000 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 IOTAUSDT perpetual swap Tier Min. amount (Cont) Max. amount (Cont

Specific adjustment details are as follows: ADAUSDT futures Tier Min. amount (Cont) Max. amount (Cont) Maintenance margin ratio Min. initial margin ratio Max. leverage 1 0 100 1.00% 1.30% 75 2 101 200 1.50% 2.00% 50 3 201 500 2.00% 5.00% 20 4 Increase by 500 conts from the previous tier Increase by 500 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 BCHUSDT futures Tier Min. amount (Cont) Max. amount (Cont) Maintenance

Adjustments: (1) Adjusted tiers of WNXMUSDT perpetual contract: Tier Min. amount (Cont) Max. amount (Cont) Maintenance margin ratio Min. initial margin ratio Max. leverage 1 0 300 1.00% 1.30% 75.00 2 301 600 1.50% 2.00% 50.00 3 601 3,000 2.00% 5.00% 20.00 4 3,001 6,000 2.50% 5.50% 18.18 5 6,001 9,000 3.00% 6.00% 16.67 6 Increase by 3,000 conts from the previous tier Increase by 3,000 conts from the previous tier Increase by 0.5% from the previous tier Increase by 0.5% from the previous tier Max.

Liquidation fee Min (Taker fee tier × Contract multiplier × Contract size × Number of contracts, 12.5% × Mark price × Contract multiplier × Contract size × Number of contracts) Min (Taker fee tier × Contract multiplier × Contract size × Number of contracts, 7% × Mark price × Contract multiplier × Contract size × Number of contracts) OKX will continue to provide you with better products and higher quality services. OKX team May 8, 2025

After 10 minutes: Max. bid price = Min [Max (Index, Index*1.02 + price movement average within the last 10 mins), Index*1.15]; Min. ask price = Max [Min (Index, Index*0.98 + price movement average within the last 10 mins), Index*0.85] Trading Hours 7*24 Settlement Time 08:00 every day (UTC) FILUSDT Perpetual Swap: Feature Details Underlying FIL/USDT Index Settlement Coin USDT Face Value 0.1 FIL Price Quotation 1 FIL value calculated in USDT equivalent Tick Size 0.01 Leverage 0.01-10x Funding Rate

movement average within the last 10 mins），Index*1.2)； Min.ask price= Min (Max（Index，Index*0.9+ price movement average within the last 10 mins），Index*0.8) Max. bid price=Min (Max（Index，Index*1.06+ price movement average within the last 10 mins），Index*1.15)； Min.ask price = Min (Max（Index，Index*0.94+ price movement average within the last 10 mins），Index*0.85) The funding rate rules will be adjusted as follow: Before adjustment After adjustment Funding rate=Clamp(MA((（Best Buy Price + Best Sell Price

Adjustments of tiered maintenance margin ratio (1) Adjusted tiers of BCHUSDT perpetual contract: Tier Min. amount (Cont) Max. amount (Cont) Maintenance margin ratio Min. initial margin ratio Max. leverage 1 0 400 0.80% 1.30% 75.00 2 401 4,000 1.00% 2.00% 50 3 4,001 12,000 1.50% 2.50% 40 4 12,001 20,000 2.00% 3.00% 33.33 5 20,001 28,000 2.50% 3.50% 28.57 6 Increase by 8,000 conts from the previous tier Increase by 8,000 conts from the previous tier Increase by 0.5 % from the previous tier Increase

Adjustments: (1) Adjusted tiers of BCHUSDT perpetual contract: Tier Min. amount (Cont) Max. amount (Cont) Maintenance margin ratio Min. initial margin ratio Max. leverage 1 0 400 3.00% 4.00% 25.00 2 401 4,000 3.50% 4.50% 22.22 3 4,001 12,000 4.00% 5.00% 20.00 4 12,001 20,000 4.50% 5.50% 18.18 5 20,001 28,000 5.00% 6.00% 16.67 6 Increase by 8,000 conts from the previous tier Increase by 8,000 conts from the previous tier Increase by 0.5 % from the previous tier Increase by 0.5 % from the previous

Phase Highest price limit Lowest price limit Within 10 mins of contract generation Index × (1 + X) Index × (1 − X) 10 mins after contract generation Min[ Max(Index, Index × (1 + Y) + avg. premium in last N mins), Index × (1 + Z) ] Max[ Min(Index, Index × (1 − Y) + avg. premium in last N mins), Index × (1 − Z) ] Z equals 3% in the 30 minutes before weekly futures are delivered. Index price (Index): USDT-margined and crypto-margined contracts use the index price of the corresponding trading pair.

Min. initial margin ratio Max. leverage 1 0 500 1.50% 3.00% 33.33 2 501 1,000 2.00% 3.50% 28.57 3 1,001 1,500 2.50% 4.00% 25.00 6 Increase by 500 conts from the previous tier Increase by 500 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 (4) Adjusted tiers of XRPUSD perpetual contract: Tier Min. amount (Cont) Max. amount (Cont) Maintenance margin ratio Min. initial margin ratio Max. leverage 1 0 5,000 1.50%