Reduced Tick Spread (RTS) instruments are spreads that trade at a smaller tick from that of their component outright legs. These instruments are traded in a separate RTS market.
View the video presentation on RTS.
Single Line Entry of Differential Spreads (SLEDS) for Calendar Futures
All Agriculture and Treasury Futures Calendar Spreads are SLEDS eligible, except those identified below. CME Globex applies trading conventions and leg price assignments as described below.
RTS Calendar Futures Trading Convention
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The Ratio RTS is a reduced tick calendar spread with the usual quarter-32nd tick, but with a leg ratio of 3:2. The details of the spread are included in the Security Definition message as defined below.
Product | iLink: tag 1151-Security Group | iLink: tag 55-Symbol | Tag 762-SecuritySubType | Tag 623- LeqRatioQty |
|---|---|---|---|---|
Treasury Bond Reduced-Tick Ratio Calendar Spread | ZBXH5-ZBXM5 | ZB | RT | Front Leg: 3 |
This spread is not implied is not SLEDS eligible.
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