That is exposing land that has not seen light of day since the so-called Little Ice Age, a widespread climatic cooling that ran roughly from AD 1550 to AD 1850.

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From roughly what the UK had in 1600 AD to what it had in 1948.

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Call open interest, meanwhile, is beginning to accumulate at the June 12 ad 13 strikes, with roughly 15, 000 contracts open at each strike.

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