While funding rates are the main driver for many Eurex futures rolls, the Bund and Shats calendar spreads are different. Their performance is primarily determined by the evolution of the cheapest-to-deliver (CTD) yield curve and relative value dynamics, making them directional to yields.

Cross-currency basis is significantly influenced by predictable seasonal trends in bond issuance. "Yankee" issuance (foreign entities issuing in USD) is historically strong in January, creating narrowing pressure, but is expected to decline. Conversely, "Reverse Yankee" issuance (US entities issuing abroad) starts slowly and picks up in February, supporting a widening of the basis.

Improving risk-adjusted carry in intra-EMU spreads is deceptive, driven by falling volatility, not higher returns. This creates a 'carry trap' where a small one-standard-deviation widening can erase one to two months of gains, highlighting the risk in currently crowded positions.

Analysts are cautious on intra-EMU carry trades because spreads are too tight. The low carry, or "skinny carry," provides an insufficient cushion against external risk-off events, which can wipe out months of gains. The advice is to await wider spreads before re-entering these crowded positions.

German swap spread movements are being driven more by technical factors than macro fundamentals. A primary driver is the unwinding of long-end interest rate hedges by Dutch pension funds. This flow is causing significant steepening in the 10-30 year swap curve and is expected to continue.

An extensive study of 4 million scenarios by Acadian shows that market timing strategies for credit—exiting when spreads are tight and re-entering when wide—underperform a simple buy-and-hold approach approximately 70% of the time. The roll-down return from the yield curve is consistently underestimated.

Contrary to historical behavior, German swap spreads show a weak or non-existent relationship with typical risk-off metrics like peripheral spreads or market volatility. This structural shift means they are no longer a dependable hedge or safe-haven asset during market turmoil.

The US swap spread curve is trading more than two standard deviations above fair value estimates, indicating it is excessively flat. While geopolitical risk currently suppresses steepening, this extreme valuation suggests a significant normalization toward a steeper curve is likely once these risks abate.

Historical data reveals a recurring pattern where European corporates (Yankee issuances) tend to issue more dollar-denominated debt in October and November compared to US corporates issuing in Euros. This predictable seasonality is a key factor that can influence cross-currency basis swap pricing during that period.