Definition
Rigid vs Flexible substitution spread (SPRD_RIGID_FLEX) is a derived analytic — spread, premium, or composite — computed daily from live PackIndex series, tracked within the derived segment of the PackIndex taxonomy. The PackIndex SPRD_RIGID_FLEX series is published with the same weekly cadence, source hierarchy, and monetisation gating as every PackIndex index.
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Adjacent Live Indices
Live PackIndex series in the same segment as Rigid vs Flexible substitution spread:
SPRD_KRLNR_OCC SPRD_TSTLNR_OCC SPRD_RPET_VPET SPRD_RHDPE_HDPE SPRD_PE_C2 SPRD_PP_C3All live on PackIndex.
Track Rigid vs Flexible substitution spread Live on PackIndex
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