Historical Futures Prices: SGX Euroyen TIBOR Futures, March 2017 (EYH2017), March 2017. Euroyen (TIBOR) Futures are based upon time deposits denominated in yen at banks outside Japan. Final settlement price is determined by the three month Euroyen Tokyo Interbank Offered Rate (TIBOR) interest rate, and are cash settled on a notional principal of JPY 100million. TIBOR is published daily by the Japanese Bankers Association (JBA) and is a daily reference rate on interest rates at which banks offer to lend Japanese Yen to other banks in the Japan wholesale money market. Contract Size: ¥ 100,000,000 per contract. Final Settlement Price: The final settlement price shall be the final settlement price which is used to settle Euroyen futures at TFX. This price is currently based on the JBA TIBOR rate.