$KORU Binance Futures will adjust the Contract Size of USDⓈ-Margined KORUUSDT Perpetual Contract commencing at 2026-07-15 00:15 (UTC) due to forward share splits of the Underlying Asset Issuer’s issued and outstanding shares in the form of a stock dividend. The adjustment is estimated to complete at 2026-07-15 13:30 (UTC) (the “Adjustment Period”). There will be a cancel-only phase which may last up to 5 minutes after the adjustment is complete.
More details on the adjustment can be found in the table below:
USDⓈ-M Perpetual Contract
KORUUSDT
Underlying Equity/Index
Direxion Daily South Korea Bull 3X ETF (NYSE Arca: KORU)
Stock Split Details
A 20-for-1 forward share split of the issuer’s issued and outstanding shares in the form of a stock dividend.
*The details are based on the announcement disclosed by the issuer.
Adjustment Scale Factor
20
The impact of Contract Size adjustment
Example: A user has a long open position in KORUUSDT Perpetual Contract with a contract size of 20 KORU, average entry price at 600 USDT. The Mark Price at 2026-07-15 00:15 (UTC) is assumed at 800 USDT.
Before the Adjustment
After the Adjustment
Mark Price (USDT)
800
800/20 = 40
Contract Size (KORU)
20
20 * 20 = 400
Average Entry Price (USDT)
600
The position will be reinstated with a new average entry price based on the adjusted mark price which is 40 USDT.
Unrealized PNL
(800 - 600) * 20 = 4,000
0
Notional Position (USDT)
= Contract Size * Average Entry Price
= 20 * 600
= 12,000
= Adjusted Contract Size * Adjusted Mark Price
= 400 * 40
= 16,000
Margin Balance = Notional Position + Unrealized PNL
12,000 + 4,000 = 16,000
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