Shares funding
Size for CFDs means number of shares.
Closing price means underlying market price at 10pm (UK time).
If your deal is in GBP
Size × closing price × SONIA +/- 3% ÷ 365
Based on overnight SONIA pus 1 month SONIA adjustment as per ISDA
If your deal is in USD
Size × closing price × SOFR +/–3% ÷ 360
If your deal is in EUR
Size × closing price × ESTR +/–3% ÷ 360
The formula uses a 365-day divisor for UK, Singapore and South African shares, and a 360-day divisor for shares in other markets.