Multiple brokers reported a trade this week at $190/st for Seasonal NOxrnallowances. On Thursday, a $190/st at $220/st bid-offer range was reported, andrnone source heard of a possible deal at $200/st that could not be confirmed.rnS&P Global Platts on Thursday assessed Seasonal NOx allowancesrnat $195/st, down $20 from last week, based on broker marks.
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