In US Treasury futures, the basis is the price spread, usually quoted in units of 1/32, between the futures contract and one of its eligible delivery securities.
In moomoo, the US Treasury futures are quoted in units of 1/10.
Basis can be defined as the difference between the clean price of the cash security minus the converted futures price.
Basis = Cash Price – (Futures Price x Conversion Factor)
For example, consider a cash 5-year note, the 1.75% of November 30, 2021 versus the March 2017 5-year US Treasury futures contract (FVH7).
Assume the price of the cash security to be 99-10+ (1/32), the price of FVH7 to be 117-18+ (1/32), and the conversion factor (CF) of the cash security versus March 2017 5-year futures to be 0.8292. Because U.S. Treasury cash and futures products trade in full points and fractions of a 1/32 we must first convert our futures and cash prices to decimal then perform the math, then convert back to 1/32 form.
Pfutures = 117-18+ (1/32s) = 117.578125
CF = 0.8292, Pfutures = (117.578125 x 0.8292) = 97.49578125
Pcash = 99.10+ (1/32s) = 99.328125
Basis = 99.328125 – 97.49578125 = 1.83234375
1.83234375 = 58.64 (1/32s)
Once this is done with all the securities eligible for delivery, traders can either trade the basis outright or use the gross basis as a starting point for deeper relative value analysis like calculating the cheapest-to-deliver (CTD) security of a given futures contract.
Trading of the US Treasury basis is active part of the U.S. Treasury securities market. Basis trades can be executed and submitted for clearing at CME Group via an exchange-for-physical (EFP) transaction under Rule 538 of the exchange.
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